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Blog CVD Guides Open Questions
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CVD Open Questions and Confirmed Facts

Separating the known from the missing

China Video Disc (CVD) research is uneven: some commercial and technical facts are multiply attested, while neighbouring questions that collectors naturally ask-exact model lists, named titles, full standard texts-remain open. Separating the two is the point of this post. Confirmed items below are those the located 1998 Chinese press, C-Cube SEC filings, VCDImager documentation and DVD-Video references support. Unresolved items are framed as questions, not as guesses. Source conflicts that cannot yet be measured are kept as open disagreements rather than collapsed into a single “settled” story.

Confirmed facts

  1. Launch date and place. CVD was launched on 9 June 1998 in Shanghai with a jointly drafted industry standard (Wenzhai Bao).
  2. C-Cube decoder timing. C-Cube sold a CVD decoder from Q2 1998 and described it as Chao Ji VCD-compliant by Q3 1998 (SEC filings).
  3. National Super VCD standard. SJ/T 11196-1998 was announced on 29 September 1998, took effect on 1 November 1998, and made two technical changes towards CVD (Guangming Daily). What those two changes were is not yet recovered from the full text.
  4. Player mechanism and decoder camps. Contemporary Guangming Daily reporting associates CVD players with Philips 2× mechanisms, CD7 servo and C-Cube decoders, and SVCD players with Sony mechanisms and a reported ESS/Shinco decoder.
  5. 5.1-channel announcement. A 5.1-channel CVD scheme had been announced by November 1998 (Guangming Daily).
  6. Shared INFO system ID. CVD and SVCD share the “SUPERVCD” INFO system ID; video width (352 versus 480) is the reliable discriminator (VCDImager).
  7. Subtitle format. CVD-style subtitles are a distinct, non-IEC format, reverse-engineered in VCDImager’s cvd-subtitles documentation.
  8. MPEG-2 legality at 352 width. 352×480/576 MPEG-2 is DVD-legal video (DVD-Video / Wikipedia summaries of the DVD-Video constraints).

These eight points already constrain preservation work. A disc labelled only by the SUPERVCD system ID is not automatically “SVCD” in the 480-wide sense; width measurement is mandatory. Subtitle streams cannot be assumed to be standard OGT/IEC without inspection. Hardware identification should ask for Philips-versus-Sony mechanism photos and C-Cube-versus-ESS/Shinco chip markings because period reporting treated those as camp markers. C-Cube’s Q2-Q3 1998 SEC language ties the commercial chip story to Chao Ji VCD branding, which matters when Western sellers list “Chaoji” rather than “CVD.”

What “confirmed” does not mean

Confirmed does not mean complete. The 9 June Shanghai launch is attested; the full enterprise-standard text from that launch is not. SJ/T 11196’s effective date is attested; its full text and the exact “two technical changes towards CVD” are not. Mechanism/decoder camps are attested in contemporary comparison reporting; every individual 1998 retail SKU has not been inventoried. The 5.1-channel scheme was announced; shipping status of 5.1 CVD titles is unproven here. Shared SUPERVCD identity and 352-versus-480 discrimination are tool-supported facts; they do not invent a title list. DVD-legal video at 352 width explains why hobbyists could remux to DVD without re-encoding pictures; it does not prove every Western DVD player accepts CD-based CVD discs.

Still unresolved

The open list is long because the format’s paper trail is thin outside newspaper summaries and hobbyist reverse engineering:

  • Full text of the June 1998 CVD enterprise standard. Without it, “jointly drafted industry standard” remains a chronological fact rather than a readable technical specification.
  • Full text of SJ/T 11196-1998, and a precise account of the “two technical changes towards CVD” named in Guangming Daily.
  • Whether 1998 CVD allowed 480-wide video. Guangming Daily says CVD suited 2/3 D1 as well as 1/2 D1-language that would permit 480-wide as well as 352-wide material-but that claim sits in tension with later hobbyist practice that treats 352-wide as the CVD hallmark. Keep both notes; do not collapse them.
  • The exact CVD disc identifier and the mechanism of 1998 “interference codes” reported in the compatibility war.
  • Private_stream_1 sub-IDs for CVD-style subtitles. 0x00-0x03 is assumed in tooling discussion, not verified against a corpus of pressed discs.
  • Model names and chip markings of 1998 CVD players beyond the reported Jinzheng N100/N300. Brand-level coverage (Jinzheng, Aido, SAST and others) is far ahead of SKU-level coverage.
  • C-Cube CVD decoder part number(s) and datasheet. SEC filings confirm product timing and Chao Ji VCD compliance language; the discrete part numbers and electrical documentation remain missing.
  • Any named commercial CVD title, its publisher and 版号. Aggregate “several hundred titles” claims exist; individual spines do not, yet.
  • Identity of “Xiamin Solid” / “Xiamen Solid.” The name appears in C-Cube’s customer list and Western summaries as an unresolved entity label.
  • Whether current VCDImager warns or refuses on 352-wide SVCD input-a tooling behaviour question that affects how researchers classify homemade discs.
  • Real CVD compatibility rates of Western DVD players. Community claims range from roughly 30% of NTSC players to effectively 100% of SVCD players. Those figures disagree and must stay open.
  • Chipset support lists for later DVD platforms (Zoran, MediaTek, Sunplus) with respect to CVD playback.
  • Whether the “CVD 2000 project” (¥200 million) announced in November 1998 actually produced discs.

How to use the open list

Each unresolved item suggests a different next archive. Enterprise and SJ/T texts point at standards libraries, CNKI, and ministry or industry-body reprints. The 480-wide ambiguity points at recovering Guangming Daily’s full technical comparison table and measuring any surviving disc. Interference codes point at Wenzhai Bao’s late-1998 compatibility reporting and at physical discs that fail selectively on rival camps’ players. Subtitle sub-IDs require bitstream captures from labelled CVD discs, not more assumption. Model and chip work requires seller photographs, board shots and possibly Internet Archive captures of c-cube.com product pages from 1998-2000. Title and 版号 work requires Kongfz/Xianyu disc photography. “Xiamin/Xiamen Solid” needs Chinese-language company and press search against C-Cube’s named customer list. Compatibility percentages need structured playback tests across known SVCD-capable decks rather than another forum anecdote. CVD 2000 needs follow-up in late-1998 and 1999 industrial reporting.

Open disagreements to preserve

Two conflicts deserve explicit preservation as disagreements rather than premature synthesis. First, video width: tool culture and many Western guides treat 352-wide MPEG-2 as the CVD signature, while 1998 Guangming Daily language about suitability for 2/3 D1 as well as 1/2 D1 leaves room for 480-wide CVD. Second, Western player compatibility: one community tradition cites low NTSC success rates near 30%, another treats SVCD-capable players as effectively universal CVD players, and some VideoHelp posters reported never finding a working NTSC CVD machine at all. Until measured disc samples and controlled player matrices exist, both conflicts remain research status, not settled lore.

A third soft disagreement sits behind launch-maker rosters already discussed elsewhere in this series: Wenzhai Bao’s five-firm list, Jinzheng’s seven-firm “first batch,” Baidu Baike variants and Western summaries that name “Xiamen Solid” differently. Those are kept open in the history post; they reappear here only to note that “confirmed launch on 9 June 1998” does not yet mean “confirmed single maker list.”

A working research posture

The confirmed set is enough to begin serious collecting and dumping: know the launch date, know C-Cube’s 1998 decoder window, know SJ/T 11196’s calendar, know the Philips/C-Cube versus Sony/ESS-Shinco hardware axis reported in 1998, know that 5.1 CVD was announced, know that SUPERVCD identity is shared and width discriminates, know that CVD subtitles are a special case, and know that 352-wide MPEG-2 is DVD-legal video. The unresolved set is enough to stop false catalogue inflation: no standard PDFs in hand, no decoder datasheet, no named title, incomplete model list, unverified subtitle IDs, unsettled width and compatibility stories, and an unverified ¥200 million disc project.

Future posts in this series should promote an item from “unresolved” to “confirmed” only when a primary document, a measured disc, or a photographed SKU supports the move. Demoting a “confirmed” item should be equally explicit if a better primary source contradicts the newspaper or tool summary used here. CVD history will not be completed by smoothing over gaps; it will be completed by filling them with the same discipline that already secured the eight facts above.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog Community Sources CVD Guides
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CVD Community Sources: Forums, Press and Archives

Where CVD knowledge actually lives

China Video Disc (CVD) never acquired a single official English handbook that collectors could treat as canonical. What survives is a scattered archive: VideoHelp and AnandTech threads from the early 2000s, a handful of Doom9 and Ubuntu notes, Chinese newspaper pages from 1998 preserved on Guangming Daily and related sites, later Chinese retrospectives on dead VCD brands, and a thin set of Western technical guides headed by Jukka Aho’s Super Video CD overview. This post maps those communities and documents by what they contribute-not as a raw link dump, but as a research map of who argued what, when, and with which technical claim.

English-language forum memory

VideoHelp carried the densest English CVD conversation. SatStorm’s 2002 guide “CVD: What is it, how to test it & what to expect!” remains the practical entry point: history summary, a 352×576/480 encode recipe at 2,520 kbps, Region 1 player caveats, and C-Cube chip discussion. Adjacent threads compared CVD with DVD quality, debated whether “70% PAL / 30% NTSC” compatibility claims matched lived experience (including posters who said they had “never found” a working NTSC CVD player), and planned CVD-to-DVD migration while arguing over 44.1 versus 48 kHz audio on CD media and whether CD-R readability differed from format support on machines such as the Sony S560D.

Authoring threads preserved the hobbyist toolchain. Users shared Cinema Craft Encoder closed-GOP CBR recipes at 2,520 kbps and Kwag templates when VCD/SVCD/CVD encodes “none look great.” GNU/Linux writers documented jpeg2yuv / mpeg2enc / mplex stills and vcdxbuild menus. A 2024 VideoHelp thread still walks modern ffmpeg interlaced SVCD burning, showing that the authoring problem did not end with Nero-era Windows guides. Rip threads cover IsoBuster M2F2 extraction, vcdxrip, and VCDGear; subtitle threads contrast CVD versus OGT player support and recount an 1,800 kbps subtitle anecdote; burning threads compare Nero and VCDEasy compliance. Player-shopping threads name multi-format decks such as the Sampo DVE612 and note Apex dropping VCD. One laserdisc thread even records the recurring naming confusion between CD Video (CDV) and China Video Disc (CVD).

Outside VideoHelp, AnandTech threads called CVD the “best quality to size ratio” while warning it was “less compatible than SVCD,” sometimes citing an 80% compatibility anecdote, and debated picture quality against VCD with claims that CVD used “48 kHz audio” and TMPGEnc two-pass VBR. Those “48 kHz” remarks conflict with the 44.1 kHz Layer II practice documented for CD-based CVD and are kept as forum wording, not as a corrected specification. Doom9’s archive holds early CVD-style encode experiments framed as “SVCD with VCD resolution with MPEG-2.” Ubuntu Forums preserve a vcdxrip –nofiles tip for ripping to AVI workflows. The GNU help-vcdimager list (November 2001) discusses OGT subtitle IDs 0x70-0x73 and CVD subtitle compatibility-evidence that subtitle semantics were already a reverse-engineering problem, not a finished IEC story.

What forum consensus is worth

Forum numbers are observations, not standards. Compatibility percentages (70/30, 80%, “never found one”) must be kept as conflicting community claims. Encode recipes at 2,520 kbps document what hobbyists could burn, not what 1998 Chinese publishers necessarily pressed. Chip and player anecdotes are leads for hardware identification, not a substitute for decoder datasheets. The value of the threads is that they preserve test procedures, tool names, and disagreements that official marketing never recorded.

Chinese press archive, 1998

The primary documentary spine for CVD’s commercial year is Chinese newspaper coverage:

Date Paper Headline (short) Key content
21 Feb 1998 光明日报 Guangming Daily ’98影碟机市场… VCD service war; Beijing Blue Island stock
16 Jul 1998 文摘报 Wenzhai Bao CVD面世一月起风波 9 June launch; five makers; C-Cube; regulator warning; 65% share claim
22 Jul 1998 生活时报 Shenghuo Shibao 揭开CVD的面纱 (杨明贵) Jinzheng view; “first Chinese industry standard”; seven makers; prices
29 Jul 1998 生活时报 Shenghuo Shibao CVD是中国的“DVD”吗 (莫春) Market survey; 400 lines; 4 channels; Beijing meeting; Aido/SAST on sale
30 Sep 1998 光明日报 〈超级VCD系统技术规范〉11月初实行 SJ/T 11196 announced; effective 1 Nov
3 Nov 1998 光明日报 CVD与SVCD之争由标准转向市场 Seven-point CVD vs SVCD comparison; CVD 2000 project
16 Dec 1998 光明日报 PC业与VCD业之比较 CVD-SVCD war as marketing; joint 超级VCD promotion
20 Dec 1998 文摘报 Wenzhai Bao 超级VCD：自掘坟墓？ (王健生) Compatibility war; interference codes; 280 vs 350 lines

Read as a sequence, the press arc moves from February’s ordinary VCD retail competition, through July’s CVD launch controversy and Jinzheng/Aido/SAST market talk, into September’s national Super VCD specification announcement, then November’s market-stage comparison and investment language, and finally December’s sceptical pieces that treat the CVD-SVCD fight as marketing while documenting interference codes and line-count claims (280 versus 350). Authors named in the digests include 杨明贵, 莫春 and 王健生-useful when tracing reprints. Launch-maker counts in July (five versus seven) and line-count rhetoric (400-line maker claims versus 280-line hostile framing) are themselves open disagreements elsewhere in this series; the press table is the citation spine, not a reconciled timeline.

Later Chinese retrospectives

After the format wars cooled, brand obituaries and technology essays kept returning to the VCD generation. Examples include Sina Tech’s 《六大品牌今安在？》 (10 February 2004), a People’s Daily digest 《与VCD一同谢幕的大佬们》 (1 August 2012), Zhihu and Sina Finance pieces on Aido (2018), chengww’s 《VCD–国产专利之痛》, and dwenzhao’s 《VCD的历史机遇与回响》. These are secondary for technical parameters but primary for what happened to launch brands and how Chinese writers later explained patent and market failure. Use them for company fate and political framing; prefer 1998 Guangming Daily / Wenzhai Bao / Shenghuo Shibao pages when parameters or dates conflict.

Western guides and documentation

Jukka Aho’s Super Video CD Overview (2001) is still the main English-language history covering CVD, SVCD and HQ-VCD, including Chaoji VCD requirements language. GNU VCDImager documentation (vcdimager.texi, vcd-info.texi) and the cvd-subtitles.pod note are the structural references for disc layout, tool options and CVD subtitle reverse-engineering. mjpegtools man pages and the MJPEG HOWTO document mpeg2enc/mplex profiles; ffmpeg documentation covers -target presets; DeVeDe / DeVeDeNG FAQs discuss CVD disc type and limitations. Windows-era guides on digitalFAQ and VideoHelp explain VCDEasy; xpt.sourceforge pages summarise VCD/SVCD/DVD differences and OGT selectable-subtitle workflows; Linux.com and O’Reilly’s Linux Multimedia Hacks describe VCDImager and cdrdao authoring paths.

Period and interpretive pieces round out the shelf: Russil Wvong’s Video CD FAQ for PC playback and Hong Kong distributors; noulakaz.net’s 2004 “China Video Disc” essay on CVD versus SVCD quality arguments; VideoLAN’s wiki page on CVD subtitles for VLC decoder behaviour; pctechguide’s SVCD digital-video article (an alternative history that must be cross-checked against Aho and Chinese press); and planetenumerique’s French “SVCD, la petite histoire,” which discusses CVD backers. Use these guides for tooling and vocabulary; prefer 1998 Chinese press and SEC C-Cube filings when the guides disagree about commercial history.

Gaps still empty

Several high-value Chinese channels have not yet been searched for CVD material: Xianyu (闲鱼), Taobao second-hand, Douban collector groups, Baidu Tieba (影碟机吧, VCD吧), and Bilibili teardowns. Trade magazines of 1998-电子报, 家用电器, 电子世界, 视听技术-are likely sources of model numbers and reviews but remain unread here. CNKI (中国知网) journal articles on 超级VCD/CVD have not been queried. Internet Archive captures of c-cube.com from 1998-2000, which may hold CVD decoder product pages, have not been mined. By contrast, eBay, Kongfz, JD and Suning were searched and returned no CVD-specific listings.

Community source work for CVD is therefore unfinished by design. The existing English forums preserve how Western hobbyists encoded and tested CVD-style discs; the 1998 Chinese newspapers preserve how the format was launched, regulated and competed with Super VCD; the tool manuals preserve how discs are structured today; and the empty Chinese second-hand and trade-press shelves are the next places a named player model or labelled disc is most likely to surface. Until those shelves are searched, catalogue and hardware posts in this series must keep inventing nothing: cite the thread, the newspaper, or the tool manual, and leave the gap visible.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog Buying & Sourcing CVD Guides
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Where to Buy CVD Players and Discs

Current market reality

China Video Disc (CVD) hardware and discs from the 1998 launch window are not a clean marketplace category today. Searches on eBay, Kongfz (孔夫子旧书网), JD, Suning and ZOL have not turned up a listing that specifically advertises a 1998 CVD player or a disc marked “CVD.” What exists instead is a surrounding ecosystem: multi-format DVD players that claim Super VCD support, second-hand VCD film stock that may hide period 超级VCD discs, modern Chinese DVD/EVD decks that still print 超级VCD on the feature list, and spare C-Cube decoder chips for repair. Buying for CVD research therefore means hunting adjacent stock and testing it-not ordering a labelled “CVD starter kit.”

What is actually for sale

Multi-format DVD players (Western second-hand)

Generic DVD players marketed as “DVD / Super VCD / VCD / CD” are the common Western find, especially JVC XV-N series units. Recent listing examples include an XV-N510B around US$7.56, an XV-N33 around €17.97, and an XV-N212 around £18.99. Prices in the US$8-25 band are typical for that class of deck. These machines play Philips SVCD; CVD support is not stated on the carton language and must be tested before anyone buys in quantity. Treat “Super VCD compatible” as a necessary filter, not as proof of China Video Disc playback. Community compatibility claims for CVD on Western DVD players disagree sharply elsewhere in this series; a cheap XV-N is a test mule, not a guarantee.

Hong Kong VCD/DVD stock on eBay

eBay still carries Hong Kong VCD and DVD stock associated with distributors such as Mei Ah and Universe Laser. That stock occasionally includes Super VCD titles. It remains a useful search channel for period Asian optical media, but Mei Ah or Universe branding alone does not confirm CVD encoding. Discs must be inspected for markings, measured for video width, and tested across players. Russil Wvong’s Video CD FAQ already treated Hong Kong distributors as the Western hobbyist’s VCD pipeline in the late 1990s; the same pipeline is where Super VCD titles are most likely to hide today.

Kongfz out-of-print VCD film shops

Kongfz second-hand shops with large “VCD 电影 绝版” (out-of-print VCD film) categories are currently the most promising Chinese-language place to look for period 超级VCD discs. One documented shop lists 908 VCD film items in that category. Sellers may not distinguish CVD from Super VCD in the title field; photographs of the disc face, tray card and any 版号 string matter more than the shop’s search keyword. Ask whether the disc was a player giveaway (随机赠送) from 1998-1999-contemporary press described free bundled titles as a CVD marketing tactic-and image immediately after purchase.

Current Chinese DVD/EVD players

JD and Suning still list DVD/EVD-class players from Jinzheng, SAST, Malata and Amoi in roughly the ¥89-200 range. Feature lists typically include 超级VCD playback. CVD support is again not stated. These decks are candidates for modern SVCD testing and for everyday playback of ripped or re-authored discs; they are not substitutes for documented 1998 CVD launch hardware without chip and mechanism verification. Brand continuity (Jinzheng, SAST, Malata, Amoi) is historically suggestive but not evidence that a 2020s chassis still uses C-Cube CVD-era silicon.

C-Cube repair parts

Decoder chips for repair remain available from Taiwanese and Hong Kong component sellers. Examples include CL480T around US$9 on eBay and CL680-T128 stocked under US$1 in quantity on datasheet.hk listings. Chip availability does not recreate a 1998 player, but it does keep dead boards potentially recoverable and gives collectors a concrete parts vocabulary (CL480, CL484, CL680 and related C-Cube markings) when asking sellers what sits under the heat sink. Note that the discrete C-Cube CVD / Chaoji decoder part numbers and datasheets themselves remain unlocated; CL480/CL680 are the VideoCD-era family names still circulating in surplus, not proven CVD SKUs.

Historical retail channels (1998 and after)

Understanding where CVD sold when it was new helps explain where survivors may still hide:

Channel Period Notes
Shanghai department stores Jun-Nov 1998 CVD launch market; venue of November 1998 compatibility contests
Wuhan Jul 1998 CVD “sold quickly” (Shenghuo Shibao)
Beijing (e.g. Blue Island Building 蓝岛大厦) 1998 Aido and SAST CVD on sale; Blue Island stocked 60+ VCD models from 20+ brands
VCDGallery.com early 2000s Sold “original SVCD movies” online (cited via VideoHelp)
Five Star Laser (San Gabriel, CA); Blue Laser (Connecticut) late 1990s Western importers of Hong Kong VCDs

Shanghai is the political and marketing centre of the CVD story: launch events and later compatibility contests both sat in department-store retail culture. Wuhan’s “sold quickly” note shows that CVD hardware moved outside Shanghai within weeks of publicity. Beijing’s Blue Island Building (蓝岛大厦) appears in February 1998 Guangming Daily coverage as a dense VCD retail node-60-plus models from 20-plus brands-before becoming a place where Aido and SAST CVD machines were observed on sale later that year. Western importers such as Five Star Laser and Blue Laser, and later online shops such as VCDGallery.com, matter for diaspora and hobbyist SVCD/VCD collecting, not as proven CVD specialist shops.

Search terms that actually help

Language / focus Terms
Chinese (players) CVD影碟机; CVD机; 超级VCD影碟机; 超级VCD机 1998; 金正 CVD; 爱多 CVD; 先科 CVD; 万利达 超级VCD; 厦新 CVD; 步步高 超级VCD
Chinese (discs) CVD碟片; CVD光盘; 超级VCD碟片; SVCD 正版; 超级VCD 绝版; 随机赠送 CVD
English China Video Disc; CVD player; Chaoji VCD; Super VCD player Aido / SAST / Malata; C-Cube CVD
Parts C-Cube CL680; CL484; C-Cube Chaoji VCD decoder

Brand-linked Chinese queries (金正 / Jinzheng, 爱多 / Aido, 先科 / SAST, 万利达 / Malata, 厦新 / Amoi, 步步高 / BBK) outperform the bare English acronym “CVD,” which collides with unrelated uses. Disc queries that include 随机赠送 CVD (random/giveaway CVD) target the player-bundle distribution mode documented in 1998 press. English “Chaoji VCD” and “C-Cube CVD” catch Western chip and format discussions that never used the full China Video Disc expansion.

Platforms not yet searched in this research set include Xianyu (闲鱼), Taobao second-hand, Douban collector groups, Baidu Tieba boards such as 影碟机吧 and VCD吧, and Bilibili teardown videos. Those remain high-priority next channels precisely because Kongfz/eBay/JD/Suning already returned no CVD-labelled hits.

Buying recommendations

  1. For playing hobbyist CVD-style discs: any DVD player that already plays SVCD from CD-R is a candidate. Test playback carefully before buying multiples; carton “Super VCD” text is not enough.
  2. For period hardware: look for Chinese 1998-1999 超级VCD players from the CVD launch brands, and ask sellers for the decoder chip marking (C-Cube versus Shinco/ESS) and for a photograph of the mechanism (Philips versus Sony). Those two hardware axes are the period distinctions contemporary Chinese reporting used between CVD-camp and SVCD-camp machines.
  3. For period discs: search Kongfz and Xianyu for discs marked “CVD” (not only 超级VCD) from mid-1998, then image them immediately-labels, matrix codes, 版号, and tray cards-before the seller’s photos disappear.

How to budget a first purchase without fooling yourself

A realistic first shopping list for CVD research is therefore not a branded 1998 Jinzheng carton at a collector premium, because those listings have not appeared in the searched markets. It is a cheap SVCD-capable DVD player in the US$8-25 class, a Kongfz trawl through 绝版 VCD film lots with seller photo requests, optional modern Jinzheng/SAST/Malata/Amoi decks in the ¥89-200 band for daily SVCD work, and awareness of CL480/CL680 parts pricing if a board is already on the bench. Historical geography-Shanghai department stores, Wuhan quick sales, Beijing Blue Island stock, Western Hong Kong VCD importers-explains why survivors may surface as undifferentiated “old Chinese VCD player” lots rather than as museum-labelled CVD artefacts.

Until a seller photographs a disc face that literally says CVD, or a chassis with a documented C-Cube Chaoji VCD decoder and period branding, every purchase remains a compatibility experiment. That is the honest market condition for China Video Disc in the mid-2020s: adjacent formats are plentiful; labelled CVD objects are not yet on the searchable shelf. Budget for imaging and testing time, not only for the invoice price of the player or disc.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog CVD Disc Catalogue Guides
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CVD Disc Catalogue: Titles and Bundles

What the catalogue evidence actually shows

China Video Disc (CVD) research has not yet produced a title-by-title catalogue. No ISRC list, no 版号 (publication number) register, and no named commercial CVD feature have been identified. The evidence that does survive is aggregate: contemporary Chinese press claims about how many discs were being bundled, how many publishers were “gradually” feeding the market, and how disc cost compared with Video CD. Building a CVD filmography therefore starts from those aggregate claims, from the content types the 1998 sources describe, and from a recording template that collectors can apply the moment a real disc appears-rather than from a finished list of spines.

That absence is itself historically meaningful. CVD launched into a saturated VCD retail culture in mid-1998, with player makers competing to give discs away and regulators and industry bodies already steering the market toward the Super VCD (超级VCD) national specification. Disc production was discussed as a supply problem for hardware sales, not as a curated prestige catalogue. Press language about “thousands of discs” and “several hundred titles” must be read with that commercial context in mind.

Catalogue-size claims, mid-to-late 1998

The dated claims cluster tightly between July and December 1998:

Date Claim Source
Jul 1998 Jinzheng will give away CVD discs with its players Shenghuo Shibao, 22 Jul 1998
Jul 1998 CVD discs “not yet widespread” Shenghuo Shibao, 29 Jul 1998
Nov 1998 Several hundred CVD titles bundled free by a dozen or so player makers Guangming Daily, 3 Nov 1998
Nov 1998 Thousands of discs from nearly 20 audio-video publishers “gradually flowing into the market” same
Nov 1998 “CVD 2000 project” to invest ¥200 million in disc production same
Nov 1998 SVCD makers to release nearly 100 titles by year end same
1998-1999 Super VCD discs produced with player-maker backing; some carried interference codes Wenzhai Bao, 20 Dec 1998

Two reading rules follow. First, “thousands of discs” most likely means disc units or SKUs across all publishers, not thousands of distinct programme titles; the Guangming Daily article does not say which. Second, the November 1998 “several hundred CVD titles” figure is tied to free bundling by player makers, not to a verified retail filmography. Treat “nearly 100” Super VCD titles by year-end as a parallel SVCD-camp claim, not as proof that CVD and SVCD catalogues were the same size or the same titles.

The July 1998 Shenghuo Shibao pairing is especially useful for chronology. Jinzheng’s giveaway plan shows that hardware vendors treated discs as launch incentives before a deep retail catalogue existed. The same month’s survey language that CVD discs were “not yet widespread” confirms that early abundance claims, if any, were aspirational. By November the story had shifted from scarcity to industrial scale-publishers, investment projects, and competitive title counts-while still refusing to name individual programmes.

The CVD 2000 project as a catalogue risk

Guangming Daily’s mention of a “CVD 2000 project” intending ¥200 million of disc-production investment belongs in the catalogue file as a planned capacity claim, not as evidence that those discs shipped. Whether the project actually produced commercial CVD titles remains an open question elsewhere in this series. Catalogue rows must not invent titles from investment headlines. The correct status for CVD 2000 output is “announced investment; production unverified.”

Likely content types, not title lists

The 1998 sources and Baidu Baike’s Super VCD article indicate the programme mix that Chinese audio-video publishers were already set up to supply: feature films, karaoke (the four-channel audio pitch was aimed at karaoke use), MTV music videos, scenic films, and science and education titles. Baidu’s SVCD entry notes that such material could “easily be converted to Super VCD format for publication,” because Super VCD was an open production specification whose disc cost matched VCD apart from content royalties. That conversion language explains why contemporary writers often talked about content families rather than about unique CVD franchises.

For collectors, content-type fields therefore matter more than premature title guesswork. A karaoke CVD and a feature CVD are different preservation objects even if both are unmarked “several hundred titles” in a 1998 newspaper sentence. Scenic and science-education discs may survive in school and tourism stock rather than in film-collector shops. None of those inferences invents a named title; they only map the categories the sources themselves describe.

Publishers and pressing plants: named gaps

The “nearly 20 audio-video publishers” (音像出版社) of November 1998 remain unnamed in the located press. No pressing plant, matrix code family, or 版号 series for CVD has been identified. The only named production tool in the research set is Beijing Galaxy Computer’s domestic Super VCD authoring system-useful for understanding how open Super VCD production was supposed to work, but not a CVD title credit.

Hong Kong publishers Mei Ah Entertainment and Universe Laser were major VCD and DVD distributors in the period and appear repeatedly in Western Video CD FAQs. No CVD or SVCD release by either firm has been confirmed. That negative finding is important: Western eBay “Hong Kong VCD/DVD” lots are not automatically CVD finds, and Mei Ah / Universe branding alone does not prove Super VCD or China Video Disc encoding. Period Hong Kong stock remains a search channel, not a verified CVD publisher list.

Bundles versus retail SKUs

Jinzheng’s July 1998 giveaway plan and the November claim of several hundred titles “bundled free by a dozen or so player makers” establish player-bundle discs as a primary CVD distribution mode. Catalogue discipline therefore requires separate product classes:

  • Commercial standalone – sold as a disc SKU without a player carton’s obligation.
  • Player-bundle disc – supplied with a CVD or 超级VCD deck; may never have had a shelf price of its own.
  • Demonstration disc – store or factory demo material.
  • Promotional disc – marketing giveaways beyond the player carton.

Wenzhai Bao’s late-1998 note that Super VCD discs were produced with player-maker backing, and that some carried interference codes, further warns that “disc found in a 1998 carton” is not the same evidence class as “disc bought as a named title.” Interference-coded discs may have been compatibility weapons in the CVD-SVCD market fight rather than ordinary retail programmes. Record them, but do not fold them blindly into a commercial feature count.

Prices: VCD parity as the business model

Item Price claim Source
CVD disc (1998) About the same as a VCD disc Jinzheng article, Shenghuo Shibao, 22 Jul 1998
Super VCD disc (1998) Cost equal to VCD; retail slightly higher due to licensed content Baidu Baike SVCD

Price parity with VCD was part of CVD’s pitch against DVD’s higher cost structure. It also helps explain why publishers and player makers could talk about flooding the market with bundled titles: incremental disc cost was familiar CD-family economics. Super VCD’s “cost equal to VCD, retail slightly higher for licensed content” claim is the open-standard counterpart. Neither figure yields a title list, but both constrain what a future photographed CVD package should look like economically-mass-market, not boutique.

Recording template for every new find

Until named titles appear, the useful catalogue is a protocol. Each disc found should be recorded with:

  • Title in Chinese and English (even if English is a provisional romanisation).
  • Publisher name as printed.
  • 版号 and/or ISRC if present.
  • Disc marking: CVD, 超级VCD, SVCD, or mixed/ambiguous labels.
  • Number of discs in the set.
  • Video width from ffprobe (352 versus 480 is the technical discriminator discussed elsewhere in this series).
  • Subtitle stream type.
  • Audio track count and channel layout.
  • Player bundle association, if any.
  • Pressing plant marks and matrix codes.
  • Date evidence (packaging, receipt, publisher colophon, bundle carton).
  • Whether the disc plays on multiple player brands.

Then classify the object as commercial standalone, player-bundle, demonstration, or promotional. That classification prevents bundle giveaways from being double-counted as retail catalogue growth when later researchers finally acquire numbers.

How to read “several hundred” without inventing spines

A responsible CVD catalogue page must refuse two temptations. The first is to invent plausible 1998 Chinese film titles and attribute them to CVD because “everyone was releasing VCD then.” The second is to treat Super VCD and CVD as interchangeable SKUs whenever a Kongfz shop labels a lot 超级VCD. Disc marking, video width, subtitle format, and playback behaviour across brands are the fields that will eventually sort the pile.

What can be stated now is limited and still valuable: July 1998 discs were not yet widespread while Jinzheng planned giveaways; by November a dozen-odd player makers were said to be bundling several hundred CVD titles and nearly twenty publishers were feeding thousands of discs into the market; an SVCD-camp claim of nearly one hundred titles by year-end sat beside a ¥200 million CVD 2000 ambition; disc cost was pitched at VCD parity; content families were film, karaoke, MTV, scenic, and education; publishers and plants remain anonymous; Mei Ah and Universe are unconfirmed for CVD/SVCD; and no individual commercial title name has yet been recovered. Until a labelled disc is photographed and measured, the CVD catalogue is a set of claims about volume, distribution mode, and programme type-not a filmography.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog CVD Guides Preservation & Ripping
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CVD Preservation, Ripping and Identification

Why CVD needs a two-layer archive

China Video Disc (CVD) shares the fragile sector model of VCD and SVCD. Form 2 sectors carry no Layer-2 ECC-only EDC and the CD’s CIRC. VCDImager warns that (S)VCD MPEG tracks “are more easily affected by scratches.” A preservation copy that only saves files from a mounted volume is therefore not an archive: it loses raw sector layout, error context and often wraps the MPEG in RIFF-CDXA that later tools misread as a plain program stream.

A good CVD archive has two layers. First, a raw, bit-exact disc image. Second, extracted playable MPEG program streams plus a structural description of the disc (INFO/ENTRIES/TRACKS, PBC, volume labels). The image answers “what was on the pressed or burned CD?”; the extracted streams answer “what can we play and remux tomorrow?” Copying files from a mounted disc satisfies neither question by itself.

Raw imaging

Tool Command / method Notes
cdrdao cdrdao read-cd --read-raw --datafile disc.bin --device /dev/sr0 disc.toc then toc2cue disc.toc disc.cue 2,352-byte raw sectors
CDRWin / IsoBuster / ImgBurn (Windows) Read to BIN/CUE in raw mode Record read errors
Any workflow Keep a log of read errors and retries Form 2 errors are not ECC-corrected

Raw mode matters because Form 2 payloads are not reconstructed by the same ECC path DVD and Mode 1 data enjoy. Retries and a written error log are part of the archival object, not optional debugging. Prefer imaging before heavy playback testing that might leave a marginal disc worse than you found it. On drives that struggle with Mode 2 Form 2, note the drive model in the read log: future re-reads may need a different mechanism even when the BIN already exists.

Structural extraction

vcdxrip “disassembles a given VCD or SVCD disc into a XML description and the contained MPEG program streams.” Run it against the image (vcdxrip --bin-file=disc.bin --cue-file=disc.cue) or against the drive. The resulting XML plus MPEG files can be edited and rebuilt with vcdxbuild. An Ubuntu Forums tip notes vcdxrip --nofiles extracts just the AVSEQ tracks as .mpg when you only need the elementary playback objects.

Do not trust a plain file copy. On Windows, copying /MPEG2/AVSEQnn.MPG or /MPEGAV/*.DAT yields RIFF-CDXA-wrapped data. VCDImager’s documentation is blunt: people tend to think of these as MPEG files, but they are not. Strip the wrapper with cdxa2mpeg, or better, use vcdxrip so structure and streams stay paired. IsoBuster users can open the MPEG2 folder and choose “Extract but filter only M2F2 Mpg frames.” VCDGear also extracts MPEG from CDXA files. Those tools are recovery aids; the raw BIN/CUE remains the preservation master.

When both a pressed commercial disc and a hobbyist CD-R are in the same collection, keep extraction recipes identical so that later comparison of INFO.SVD, TRACKS.SVD and program-stream widths is not confused by tool differences. Rebuild tests with vcdxbuild are useful for verifying that the XML description is complete, but a successful rebuild does not replace the original raw image.

Identifying CVD vs SVCD vs XSVCD

Check CVD SVCD (Philips/IEC) XSVCD
INFO.SVD system ID “SUPERVCD” “SUPERVCD” “SUPERVCD”
Video width (ffprobe) 352 480 480 (or other)
Bitrate ≤ ~2.6 Mbps ≤ ~2.6 Mbps Often higher
Subtitle stream CVD-style private_stream_1 (VLC: “CVD subtitles”) OGT 0x70-series Either
TRACKS.SVD vcd-info may print “CVD interpretation (probably)” IEC layout Usually IEC
Sequence folder /MPEG2 or /MPEGAV /MPEG2 Either
Disc type Pressed (commercial, 1998-1999) or CD-R Pressed or CD-R Usually CD-R

Only the resolution is decisive for the CVD-versus-Philips-SVCD distinction in practice. Folder names and TRACKS.SVD layout are suggestive, not conclusive: a 352-wide “XSVCD” made in the West in 2003 is structurally a CVD. Commercial Chinese discs from mid-1998 labelled CVD, or Super VCD discs from late 1998 carrying 352-wide video, are the true period objects. System ID “SUPERVCD” appears on all three columns and therefore cannot settle the question alone.

Operational checklist: dump structure with vcd-info against the CUE or BIN; probe each extracted track with ffprobe -show_streams -show_format; open the same streams in VLC and note whether it reports CVD subtitles; photograph packaging and matrix/IFPI/SID codes before the disc is filed away. When vcd-info hints at a “CVD interpretation,” treat that as supporting evidence beside the 352-wide measurement, not as a substitute for it.

Archival packaging and documentation

  1. Keep the raw BIN/CUE (or TOC) and its read log.
  2. Keep vcd-info output as a text file.
  3. Keep ffprobe -show_streams -show_format -of json output for each track.
  4. Photograph the disc (both sides), inlay, case and any matrix / IFPI / SID codes.
  5. Hash the BIN and every extracted MPEG (SHA-256).
  6. Make lossless access copies: ffmpeg -i avseq01.mpg -c copy -map 0 out.mkv keeps video, audio and subtitle streams together. Transcode only for convenience copies.
  7. Record provenance: where bought, price, whether bundled with a player, and which brand of player actually plays it.
  8. For 1998-1999 commercial discs, also record whether the disc plays on players from different brands-evidence relevant to the contemporary “interference code” compatibility disputes.

Lossless Matroska access copies are for day-to-day playback and subtitle checks in VLC; they do not replace the raw image. If a private subtitle stream exists, -map 0 is what keeps it. Dropping to a video+audio-only remux for “simplicity” is a preservation error when CVD-style or OGT packets were present on the original. Hashing both the BIN and the extracted MPEGs lets you detect silent re-rips later without reopening every tool log.

Identification pitfalls

Hobbyist CD-Rs labelled SVCD, XVCD or XSVCD may be 352-wide CVD-structured discs, 480-wide IEC SVCDs, or over-rate XSVCDs. Commercial packaging that says 超级VCD may still carry 352-wide video from the Chaoji transition period. Conversely, a Western “SVCD” burn at 480-wide with OGT subtitles is not a period Chinese CVD even if a Chaoji player plays it. Bitrate above the ~2.6 Mbps community ceiling suggests XSVCD or a non-compliant hobby encode regardless of folder names.

PC Explorer copies that “play in VLC” can still be CDXA-wrapped; always confirm with a proper rip or cdxa2mpeg before declaring an archival MPEG. Players that ignore CVD-style subtitles can make a disc look subtitle-free when VLC would report otherwise. Standalone “plays / does not play” notes should name the player brand and model: 1998 interference-era discs may fail on rivals’ Chaoji machines while succeeding on the issuing brand. Guangming Daily and Wenzhai Bao coverage of late-1998 compatibility contests and “interference codes” is why cross-brand play notes belong in the archive package, not only in forum anecdotes.

Putting the workflow together

A minimal responsible pipeline for a newly acquired CVD or Super VCD candidate is: photograph and note provenance; raw-image with error log; vcdxrip (or IsoBuster M2F2 extract) to clean MPEGs plus XML; vcd-info and ffprobe sidecars; SHA-256 hashes; lossless MKV access copy; VLC subtitle check; optional hardware play notes across brands for commercial 1998-1999 discs. Only after that stack exists should the physical disc be treated as replaceable for routine viewing.

Preservation of CVD is therefore less glamorous than format archaeology and more like careful CD-XA work: protect the Form 2 sectors, refuse mounted-file illusions, measure 352 versus 480, and keep private subtitle streams attached to the program stream. Identification follows measurement; nostalgia labels on the jewel case do not. When later catalogue posts ask whether a survivor is “true period CVD,” the answer should be readable from this package-width, subtitle flavour, press-versus-burn medium, and any selective playback failures-without inventing titles the disc face never carried.

The same discipline applies when a disc arrives as a BIN/CUE from someone else. Re-run vcd-info and ffprobe yourself; verify hashes if the donor provides them; and do not assume their “CVD” label survived a width check. Community encodes from the early 2000s often used SatStorm’s 2,520 kbps half-D1 recipe under an SVCD authoring path-structurally CVD-like, commercially unrelated to 1998 Chinese pressings. Archival notes should say which case you have, in plain language, so the next reader does not merge hobbyist CD-Rs with period Chaoji stock.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog CVD Guides Home Authoring
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Home Authoring CVD Discs

Authoring CVD means non-standard SVCD

Every practical home-authoring path for China Video Disc (CVD) builds an SVCD-structured disc that carries 352-wide MPEG-2 video. No mainstream tool implements a separate, fully documented CVD disc type except DeVeDe, and DeVeDe cannot make menus for it. “Standard SVCD” presets will either refuse 352-wide video or silently rescale it to 480, so user or non-standard SVCD modes must be used. The goal is a Mode 2 Form 2 CD that Chinese and many Asian players treat as CVD/SVCD-family media, not a unique ISO type stamped “CVD” in the imager.

Route summary

Route Platform Menus Chapters Subtitles Best for
DeVeDe / DeVeDeNG Linux No Limited Burned-in / rendered Quick discs from files
ffmpeg + vcdimager Any No Via splits Burned-in Scriptable single-title discs
mjpegtools + vcdimager Linux/macOS No Via sequence splits Burned-in Fine encoder control, interlaced sources
vcdxgen / vcdxbuild XML Any Yes Yes Muxed streams Full PBC discs
Windows period toolchain Windows Yes (VCDEasy, Nero) Yes CVD-style or OGT 2002-era community recipes

Target parameter sheet

Setting PAL CVD NTSC CVD NTSC film CVD
Frame size 352×576 352×480 352×480
Frame rate 25 29.97 23.976 with 3:2 pulldown flags
Display aspect 4:3 or 16:9 anamorphic 4:3 / 16:9 4:3 / 16:9
GOP ≤15, closed ≤18, closed ≤18 (display), closed
Video rate CBR 2,520 or VBR avg 1,800-2,300, max 2,516-2,520 same same
VBV buffer 1,835,008 bits (ffmpeg) / 230 KB (mplex) same same
Audio MP2, 44,100 Hz, stereo, 224 kbps same same
Pack size 2,324 bytes same same

The “2,520 CBR, closed GOPs, max 15 (PAL) / 18 (NTSC)” recipe comes from VideoHelp CCE workflows and SatStorm’s guide. It is community convention, not a quoted specification clause. A 2,520 kbps video peak plus 224 kbps audio stays under the 2,778 kbps mux ceiling with headroom. If the material may later move to DVD, keep a 48 kHz master and resample to 44.1 kHz only for the CD.

Bitrate planning for an 80-minute CD-R (about 836.6 MB payload less roughly 2% for ISO track, gaps and mux overhead) runs approximately: 40 minutes → ~2,730 kbps mux, CBR 2,400-2,520 video; 50 minutes → ~2,190 kbps, VBR avg ~1,900 max 2,520; 60 minutes → ~1,820 kbps, avg ~1,550; 70 minutes → ~1,560 kbps, avg ~1,300; 80 minutes → ~1,370 kbps, avg ~1,100 (or drop audio to 160 kbps). These are planning estimates derived from CD capacity figures, not measured encodes.

DeVeDe / DeVeDeNG

Classic DeVeDe (Python 2 / PyGTK) was rewritten as DeVeDeNG (Python 3 / GTK3) by Sergio Costas (rastersoft). The old GitHub repository was archived on 31 January 2019; development moved to GitLab. DeVeDe’s FAQ defines CVD as “an alternative format to SuperVCD, using a resolution of 352×480 (or 352×576 in PAL)… compatible with DVD standard.” Back-ends include MPlayer/MEncoder or FFmpeg for conversion and VCDImager for VCD/SVCD/CVD imaging. Missing back-ends grey out disc types.

Typical flow: install devede and vcdimager, choose CVD in the disc-type dialog, set PAL or NTSC, add files, set aspect and bitrate, optionally burn in SRT subtitles (custom font via $HOME/.spumux/devedesans.ttf), then burn the BIN/CUE with cdrdao, K3b or Brasero in disc-at-once mode. Known limits: no menus for VCD/SVCD/CVD; 99-file limit; newer versions speed 24 fps film to 25 fps (~4% faster); do not work on FAT32 volumes; subtitle flavour (CVD-style vs OGT) is undocumented-test on hardware.

ffmpeg, mjpegtools and VCDImager

ffmpeg has -target presets for vcd, svcd, dvd and related types, but no cvd target. The documented PAL SVCD preset uses 480×576; documentation states that any user-set parameter overrides the preset, so CVD is the SVCD target with a 352-wide scale. Community recipes use -target pal-svcd or ntsc-svcd, scale=352:576 or 352:480, setsar=1, closed GOPs (-flags +cgop), maxrate about 2516k, bufsize 1835008, MP2 at 44100 Hz / 224k, and for interlaced sources +ilme+ildct with matching field order. Burned-in subtitles should be rendered before scaling. Long titles can be split with segment muxing, checking GOP boundaries with ffprobe.

mjpegtools treats profile -f 5 as user-rate SVCD-bitrate, buffer, GOP and frame size may be non-standard-which is the legitimate CVD path. Profile -f 4 is standard 480-wide SVCD only. A typical pipeline pipes scaled yuv4mpeg into mpeg2enc -f 5, encodes MP2 audio separately, then mplex -f 5 -V -b 230 -r 2750. Do not confuse this with mjpegtools’ anytovcd.sh “cvd” profile, which is half-D1 DVD (mpeg2enc -f 8, AC-3 at 48 kHz), not CD CVD.

Quick mastering without menus:

vcdimager -t svcd -l "MY_CVD" -c cvd.cue -b cvd.bin --update-scan-offsets cvd_pal.mpg

There is no -t cvd. VCDImager documents only 480-wide SVCD resolutions as officially supported, so expect a non-compliance warning for 352-wide video. Use --update-scan-offsets so scan placeholders from the encoder become real FF/REW offsets. If a player rejects a compliant image, --broken-svcd-mode is a last resort.

Menus, chapters and subtitles with vcdxbuild

For PBC menus, generate a starting XML with vcdxgen -t svcd, edit videocd.xml (class=”svcd”), then vcdxbuild. Sequence entry times (seconds) become chapters only if the encoder placed a sequence header, GOP header and I-frame at each entry-closed GOPs help; keep relaxed APS off. Still menus use SVCD still profiles (mpeg2enc -f 7) referenced as segment items; a disc must still contain at least one motion sequence.

Subtitle choice is a trade-off. CVD-style (I-Author format) has the widest support on legacy Chinese and Asian players according to forum users, but the format is reverse-engineered and no maintained open-source muxer is identified-period EnReach I-Author is the named professional path. SVCD OGT (0x70-0x73) is specification-compliant and supported by VLC and many later DVD players; some legacy decks ignore it. Burned-in text plays everywhere but costs bitrate and switchability. Period OGT workflows used SubRip BMPs and winsubmux before VCDImager mastering.

Windows period toolchain and burning

TMPGEnc Plus 2.5: start from the SVCD template, change size to 352×480/576, MPEG-2 around 2,520 kbps, MP2 224 kbps at 44.1 kHz, system stream “Super Video-CD.” Kwag’s KVCD.net templates include XCVD/CVD variants. CCE: 352-wide, CBR 2,520 or multipass VBR, closed GOP, max 15/18; RoBa (“RSVCD”) was the Doom9-era CCE SVCD recipe. VCDEasy (GUI over VCDImager): digitalFAQ notes SVCD, XSVCD and CVD should use SVCD 1.0 type; tell VCDEasy to ignore CVD-related error messages; enable CDRDAO integration. Nero SVCD projects include a compliance check that VideoHelp users say can pass over-rate streams. DVD2SVCD’s authors pushed VCDImager to accept OGT IDs 0x70-0x73 in 2001. Burn BIN/CUE disc-at-once with ImgBurn, CDRWin or cdrdao-never as a data-file project.

cdrdao on Linux/macOS is typically cdrdao write --device /dev/sr0 --speed 4 against the CUE; Linux.com SVCD tutorials preferred even lower speeds for player compatibility. Test CD-RW first: many DVD players prefer one media type over the other for CD-R versus CD-RW.

Troubleshooting and CVD-to-DVD

Symptom Likely cause Fix direction
“No disc” / data CD Burned as data files Re-burn BIN/CUE disc-at-once
PC yes, player no No CD-R support or Philips-only SVCD Try CD-RW / other player / 480-wide
Half-width picture Aspect / display-size signalling Correct -aspect; try mpeg2enc SVCD HDS options
High-motion stutter Peaks above 2× mux ceiling Cap maxrate ≤ 2,516-2,520
FF/REW dead Missing scan offsets --update-scan-offsets
Chapters ignored Entry not at access point Closed GOPs; no relaxed APS
No subtitles Wrong flavour or high bitrate CVD-style vs OGT; lower max (~1,800 kbps anecdote)
Audio slow / pitched 48 kHz on CD Resample to 44.1 kHz

Pre-burn software checks catch many of the same failures. vcd-info against the CUE or BIN dumps INFO/ENTRIES/TRACKS structure; vcdxminfo reports how the imager library sees an MPEG; ffprobe should confirm 352×576 or 352×480, mpeg2video and mp2 at 44100 Hz before you spend a blank. If vcdimager rejects the stream, remux with pack size 2,324 and MP2 at 44.1 kHz before blaming the burner.

Because CVD video is DVD-legal at half-D1 sizes, a CVD can move to DVD-Video without re-encoding the picture: demux, resample audio to 48 kHz (often AC-3), mux as DVD program stream and author with dvdauthor. VideoHelp users recommend that path for VHS archives-capture once at 352×576/480, keep CVD for CD copies and DVD for longer-running sets. Home authoring CVD is therefore less inventing a format than forcing SVCD tooling to keep the 352-wide picture Chinese players expected in 1998.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog CVD Guides PC Playback
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CVD on the PC: Software Playback Realities

CVD was never a closed PC format

China Video Disc (CVD) differs from later Chinese high-definition formats in one practical respect that still shapes archives: an ordinary PC could always read the disc. Any CD-ROM drive that understands Mode 2 Form 2 sectors can read a CVD, and any software MPEG-2 decoder can play the elementary video and audio once the wrapper is handled correctly. VideoHelp’s Super Video CD overview states the same rule for SVCD and, by extension, CVD: playback works on computers with a DVD-ROM or CD-ROM drive plus a software decoder or player. There is no proprietary PC optical drive, no blue-laser dependency and no DRM layer comparable to later HD formats.

That accessibility is why CVD survived as a hobbyist and preservation topic long after dedicated launch decks vanished. It is also why file-copy mistakes are common: Windows will show playable-looking track names while still handing the user a RIFF-CDXA container rather than a plain MPEG program stream. The rest of this post separates period PC behaviour (1998-2005) from the modern software map, then focuses on the subtitle decoder gap that still trips identification work.

Period PC playback (1998-2005)

On a mounted CVD or SVCD, Windows typically exposes MPEG tracks as AVSEQnn.MPG files under /MPEG2, or as .DAT files under /MPEGAV. Those objects look like ordinary MPEG files in Explorer, but they are RIFF-CDXA wrapped. Players that understand CDXA-Windows Media Player with an MPEG-2 decoder pack, PowerDVD, WinDVD-could open them directly in the DVD-ROM era. Tools that expect a bare program stream will fail or play poorly until the wrapper is stripped with cdxa2mpeg or, better, with a structural ripper such as vcdxrip.

Hardware MPEG-2 decoder cards from the same period also handled CVD streams. C-Cube’s ZiVA family, sold into PC OEM channels including Dell according to C-Cube’s SEC filings, is the named bridge between CVD’s launch silicon story and desktop playback. A machine with a ZiVA-based decoder card could treat CVD the way it treated other MPEG-2 CD formats without waiting for CPU soft-decode performance to catch up. That continuity matters historically: the same vendor selling CVD/Chaoji decoders into Chinese living-room players was also selling MPEG-2 decode into Western PCs.

Subtitles were already a known weak point. Russil Wvong’s Video CD FAQ, updated March 2000, notes that some software players of the time “can’t show SVCD or CVD subtitles,” while others could. That split still matters: video may look fine while the CVD private subtitle stream is silently ignored. Period PC success therefore never meant “full authored experience,” only that the optical and MPEG layers were ordinary enough for consumer software.

Modern software map

Player Disc (vcd://) Extracted MPEG CVD subtitles Notes
VLC Yes (vcd://, including images) Yes Yes – dedicated CVD subtitle decoder Best single check for CVD-style subs
MPC-HC / MPC-BE Build-dependent Yes Not verified Program streams play without trouble
mpv Not verified Yes Not verified Use extracted files
MPlayer Historically vcd:// tracks Yes – Legacy path
xine Full VCD support Yes – Code later moved toward VLC
ffprobe / ffmpeg n/a Yes Visible as private data Diagnostic use

VLC is the practical default for identification work. It accepts vcd:// input against physical discs and disc images, plays extracted MPEG program streams and ships a dedicated CVD subtitle decoder documented on the VideoLAN wiki. Plugin lists for VLC builds explicitly include that CVD decoder. For a quick “is this really a CVD with CVD-style subtitles?” check, VLC is the one tool that answers both the video and the private-stream questions without a separate muxing step.

MPC-HC and MPC-BE play extracted program streams reliably; disc-protocol support and CVD subtitle behaviour are build-dependent and not verified across the whole family. mpv is likewise verified for extracted files rather than for native VCD protocol or CVD subtitle decode. MPlayer historically offered vcd:// track selection. xine’s VCD support matters historically because, per Wvong’s FAQ, the developer of that player-independent VCD code later moved the same work into VLC-the lineage behind much of VLC’s VCD handling today. ffmpeg and ffprobe do not replace a player for subtitles, but they show private data streams and confirm frame size, MPEG-2 video and MP2 audio parameters when you are classifying a rip.

Why CVD subtitles need a special decoder

CVD subtitles are only useful if the player understands the reverse-engineered CVD subtitle format, not merely “some private stream.” VLC’s dedicated decoder is the maintained open implementation most often cited for that format. SVCD’s competing subtitle flavour is Overlay Graphics Text (OGT). VCDImager accepted private_stream_1 IDs 0x70-0x73 for OGT in 2001 after a request from the DVD2SVCD authors-evidence that Western SVCD tooling standardised on OGT while Chinese CVD practice also carried the older CVD-style packets. The exact private_stream_1 sub-IDs used by CVD-style bitmaps (sometimes assumed as 0x00-0x03) remain unverified against a corpus of pressed discs; treat that as an open research question when logging ffprobe output.

For archiving, keep subtitle streams inside the program stream, or remux losslessly to Matroska with a full stream map (for example ffmpeg -map 0), so they remain decodable in VLC even when other players ignore them. Burning subtitles into the picture solves compatibility at the cost of switchability and bitrate. Extracting only the video and primary audio without the private stream permanently loses selectable CVD subtitles for any future decoder.

Practical PC workflow today

A sensible modern path separates three jobs: mount or image the disc, extract clean program streams, then verify playback and subtitles. Imaging and structural extraction belong with preservation practice; on the playback side, prefer VLC against either the image via vcd:// or against MPEG files produced by vcdxrip / cdxa2mpeg rather than against Explorer copies of AVSEQ*.MPG. If VLC reports CVD subtitles, record that fact in the archive notes-it is stronger identification evidence than folder names alone, because INFO.SVD system ID “SUPERVCD” is shared with Philips SVCD.

When VLC plays video but shows no subtitles, do not assume the disc has none. Confirm with ffprobe whether a private stream exists; try an alternate subtitle flavour if the disc was authored as SVCD OGT; and remember Wvong’s 2000 warning that subtitle support has always been uneven across PC players. MPC-family builds that play the picture cleanly may still be silent on CVD-style text. Width from ffprobe (352 versus 480) remains the decisive CVD-versus-SVCD check even when subtitle decode fails.

What PC playback does not prove

Successful PC playback does not prove a Western standalone DVD player will accept the same disc. Standalone compatibility rates for CVD remain contested community estimates-claims in forum memory range from roughly 30% of NTSC players to effectively all SVCD-capable decks-and those figures are not PC software results. PC success also does not prove a file copy is archival: RIFF-CDXA wrappers copied from a mounted volume are convenience objects, not bit-exact Mode 2 Form 2 images. Conversely, a PC that fails to show CVD subtitles does not prove the subtitle stream is absent-only that the chosen decoder path does not implement CVD-style private packets.

CVD on the PC is therefore best described as “always readable, not always fully decoded.” Mode 2 Form 2 readability and MPEG-2 soft decode cover the picture and sound for nearly any machine of the last twenty-five years. CVD-style subtitles, CDXA unwrapping and honest identification of 352-wide versus 480-wide SVCD still require tools that were written with those Chinese-era details in mind. VLC, VCDImager-family rippers and ffprobe form the short modern toolkit; PowerDVD/WinDVD and hardware ZiVA cards explain how the same discs worked when CVD was new. For a preservation session, treat PC playback as the verification layer after a raw image exists-not as a substitute for imaging-and log which player build reported CVD subtitles so later readers can reproduce the check.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog CVD Guides Player Hardware
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CVD Player Hardware: Launch Decks to DVD Hybrids

Three kinds of “CVD player”

China Video Disc (CVD) hardware is not one product class. A deck that “plays CVD” can mean three different things, and mixing them up produces bad buying advice and bad preservation notes. Dedicated CVD players shipped in the June-October 1998 launch window under the CVD name, built around C-Cube CVD decoders before the national Super VCD standard settled the market. Chaoji VCD / 超级VCD players from 1 November 1998 onward were required by SJ/T 11196 to play SVCD, CVD, VCD 2.0, VCD 1.1 and CD-DA. DVD players with explicit CVD listings followed in Chinese catalogues from late 1998; Western DVD decks that only advertise “SVCD” may or may not play CVD streams at 352-wide resolution.

No complete commercial model list survives for the first category. What follows is a register built from 1998 press, later product databases and community testing claims-not a manufacturer catalogue.

Launch-era machines (1998)

Attribute Detail
Decoder C-Cube CVD decoder (CVDx1 reported in contemporary chip coverage)
Mechanism Philips 2× (double-speed) with CD7 digital servo
Claimed resolution Up to 400 lines (makers); 350-400 in Jinzheng coverage
Audio 4 channels (two stereo pairs), karaoke-oriented
Subtitles 4 languages / 4 subtitle choices
Compatibility claims CVD, SVCD, VCD 1.0/1.1/2.0, CD, CD-i
Other functions P/N switching, disc preview, programmed play, interactive PBC
Street price About ¥1,600-1,800 (Shenghuo Shibao, 22 July 1998)
Bundles Free CVD discs with Jinzheng players; “several hundred” titles bundled across a dozen or so makers

Guangming Daily’s 3 November 1998 coverage and Jinzheng’s July 1998 article are the backbone for the mechanism and decoder picture. Shenghuo Shibao supplies the resolution, four-channel audio, four-subtitle and price claims. Jinzheng’s piece is also the only press source that has been read as naming specific dedicated models: the Jinzheng N100 and N300, advertised with “400 lines,” four audio channels, four subtitle languages and a Philips 2× mechanism. That model-name reading is not confirmed in every later retrieval of the same article’s comparison text, so the N100/N300 designations remain reported rather than fully cross-checked against a complete scan.

Brands confirmed selling CVD machines in 1998 include Aido and SAST (on sale in Beijing by 29 July 1998), Jinzheng (taking orders), and the five launch makers covered in Shanghai reporting (Wenzhai Bao, Shenghuo Shibao). Changhong, Malata and Amoi appear in the June 1998 Shanghai launch coverage; BBK is reported among the first batch in Jinzheng and later encyclopaedia summaries.

Chaoji VCD / Super VCD decks (late 1998-1999)

After 1 November 1998, CVD support was a compliance requirement for Chinese Super VCD players rather than a brand option. Shinco Super VCD machines used Shinco’s own SVD1811 MPEG-2 decoder from its “超越号” digital technology laboratory and were fitted with decryption components to read rivals’ discs during the compatibility war. SVCD-camp players in Guangming Daily’s November coverage used a Sony double-speed mechanism with digital servo and a decoder reported as jointly developed by ESS and Shinco.

Feature creep ran fast. Between October 1998 and July 1999, Super VCD decks added MP3 and MIDI playback, handheld models, recordable models, networking and language-learning 复读 (repeat) functions. By July 1999 single-disc players were reported below ¥800. No surviving model-by-model list for 1998-1999 Chaoji VCD players was recovered. The 1998 repair compilation 《影碟机维修实例999》(李玉全 ed.) lists period VCD models such as Malata N10 and N30, Aido IV-720 and Shinco VCD-10C; those numberings are leads for contemporary platform families, not proof that each unit was a CVD deck.

DVD players that list CVD

Player Maker Year / era CVD evidence
DVD2000 TCL 王牌 Oct 1998 Plays VCD, CVD and DVD
DVD-N9168 Jinzheng 金正 c. 2000s Lists CD/VCD/CVD/SVCD/DVCD/CD-R/DVD
D1800K Konka 康佳 c. 2000s Lists CD/VCD/CVD/SVCD/CD-R/DVD
DVD-N660 Jinzheng later Lists EVD, DVD, Super VCD, DVCD, CD, MP3 (CVD not named)
Shinco DVD line Shinco 新科 1998 All 16 lines converted to DVD; backward-compatible with SVCD
JVC XV-N series JVC 2000s Marketed “DVD / Super VCD / VCD / CD”; CVD not stated
Sampo DVE612 Sampo c. 2002 Recommended on VideoHelp for SVCD at high bitrates

PjTime buying guides make the general point that domestic Chinese DVD players supported far more disc types-including CVD-than imported examples such as the Sony DVP-S7000 and Toshiba SD-series units that played only CD, VCD and DVD. That domestic-vs-import gap matters when collectors assume “SVCD on the box” equals CVD playback.

Chipsets behind the labels

Vendor Parts CVD relevance Evidence
C-Cube Microsystems CL480/CL484/CL680 (VCD); CVD decoder (CVDx1); Chaoji VCD decoders; ZiVA (DVD) CVD sponsor; CVD-era decoders Strong (SEC filings)
ESS Technology SVCD decoder with Shinco Government SVCD side Moderate
Shinco lab SVD1811 MPEG-2 Shinco Super VCD players Moderate
Zoran, MediaTek, Sunplus, others Later generic DVD chipsets Many listed SVCD/CVD Weak: forum lore

SatStorm’s 2002 VideoHelp guide said CVD-capable standalones were mostly “made in southeast asia” and “using C-Cube’s microchips.” C-Cube reported in September 2000 that it was the first chip supplier to pass 10 million DVD chip shipments and claimed about 30% of the DVD silicon market in 1999. The launch CVD story is therefore as much a C-Cube silicon story as a brand-name story.

Model register (as known)

  • Jinzheng N100 / N300 – dedicated CVD players, reported from the July 1998 Jinzheng article (model names pending full-article confirmation).
  • Aido, SAST – unnamed dedicated CVD models on sale in Beijing, July 1998.
  • Changhong, Malata, Amoi – unnamed dedicated CVD models launched Shanghai, June 1998.
  • BBK – dedicated CVD, reported in first batch.
  • Shinco Super VCD (SVD1811) – Chaoji VCD / SVCD class.
  • TCL DVD2000, Jinzheng DVD-N9168, Konka D1800K – DVD with explicit CVD listing.

Period VCD models that may share platforms with CVD-era machines include Malata N10 and N30, Aido IV-720, Shinco VCD-10C and Changhong VD-3000.

Maker survival and manuals

Aido 爱多 collapsed in 1999-2000; no official service archive survives in the usual places. Jinzheng / Nintaus 金正 still sells DVD/EVD players on major Chinese retail sites and was founded 2 April 1997. SAST 先科, Malata 万利达, Amoi 夏新/厦新, Shinco 新科, Changhong 长虹 and BBK 步步高 all leave some modern retail footprint under the old brand or a successor. No dedicated CVD-player service manuals were found online. Chinese repair compilations such as 《影碟机维修实例999》(1998) and 家电维修 magazine archives remain the most promising paper trails.

Compatibility: conflicting community claims

Western DVD-player CVD success rates are anecdotal and do not agree. SatStorm wrote in 2002 that many US Region-1 standalones compatible with SVCD still do not play CVDs. A VideoHelp “CVD VS. DVD” thread claimed CVD on CD-R works with about 70% of PAL and about 30% of NTSC DVD players, sometimes needing header rewrite or 44.1 kHz audio-while another user in the same thread said they had tested hundreds of players and never found one that played SVCD but not CVD, and a third claimed all SVCD-compatible DVD players are required to play CVD regardless of region. AnandTech posts from 2006 cluster around “more than half the DVD players in the US will handle it” and roughly an 80% chance that an SVCD-capable player plays CVD. VideoHelp’s SVCD overview says most SVCD-capable standalones support CVD. All of those figures are kept as open disagreement; none is a laboratory result.

A practical test pattern used in community guides is a short 30-60 second burn at 352×480 or 352×576, CBR about 2,000 kbps, MP2 224 kbps at 44.1 kHz, authored as an SVCD image, with an otherwise identical 480-wide SVCD as control. Test CD-RW first, then CD-R: many early DVD players read only pressed discs, and CD-R reading is a separate capability from (S)VCD support. Check basic playback, scan, chapter skip, audio switching and both CVD-style and OGT subtitles. If the 480-wide control plays and the CVD does not, the player’s SVCD support is effectively Philips-only.

Known quirks include half-width or wrongly scaled pictures when sequence headers signal unexpected sizes; subtitles that appear in only one flavour; subtitle failures reported above about 1,800 kbps maximum video bitrate; 48 kHz audio on CD playing slow (Sony S560D cited); Nero “compliance check” passing streams that exceed SVCD peak rates; and 1998 “interference code” discs that fail on rival brands’ players. Hardware collecting for CVD therefore starts with naming the category-dedicated, Chaoji, or DVD-hybrid-then treating Western SVCD claims as hypotheses until a 352-wide test disc says otherwise.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog CVD Guides Standards & Patents
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CVD Standards, Licensing and Patents

What “standard” meant for CVD in 1998

China Video Disc (CVD) never received a CVD-named national standard number of its own. What exists instead is a short stack of documents and filings: a June 1998 enterprise (consortium) standard whose full text has not been recovered; SJ/T 11196-1998 《超级VCD系统技术规范》, which folded CVD into the Chaoji / Super VCD player regime; licensed White Book and IEC texts for SVCD; MPEG and CD structural standards that CVD reuses; C-Cube’s SEC language about CVD and Chao Ji VCD decoders; and a thin patent trail with no CVD-specific claim identified. This post maps that stack and keeps known numbering conflicts open.

Chinese standards records

Item Detail
Standard SJ/T 11196-1998 《超级VCD系统技术规范》 (Super VCD System Technical Specification)
Type Electronics industry standard (SJ), recommended (推荐性, “/T”)
Issuing authority Ministry of Information Industry (信息产业部)
Review 14-15 August 1998, National Recording Equipment Standardization Technical Committee
Announcement 29 September 1998 (Guangming Daily, 30 Sep 1998)
Implementation 1 November 1998
Filing number 2091-1998 (national standards registry)
Scope Discs and players; required CVD and SVCD makers to converge; player must play SVCD, CVD, VCD 2.0, VCD 1.1, CD-DA
Changes towards CVD Two technical changes (not itemised in the retrieved Guangming Daily extract); name unified as 超级VCD

The June 1998 “CVD standard” was an industry-consortium enterprise standard. A Beijing coordination meeting in July 1998 ruled it legal as an enterprise standard (Shenghuo Shibao). Its text has not been found online. No CVD-specific national standard number exists. Guangming Daily’s 3 November 1998 coverage states that SJ/T 11196 made two technical changes towards the CVD scheme and unified the commercial name as 超级VCD; point 3 of that seven-point comparison is missing from the available extract, so the two changes remain unnamed here.

One Baidu Baike page (超级VCD) gives the number as SJ/T 11198-1998 in the context of a Beijing Galaxy Computer authoring system. The national registry and most sources give SJ/T 11196-1998. Both forms are kept; 11198 is treated as a probable typo unless a primary document confirms otherwise.

International standards stack

Standard Relevance to CVD
White Book (Philips licence) Defines VCD and, from 1998, SVCD as extensions; not freely available
IEC 62107 (15 July 2000) International standard for SVCD; does not include CVD subtitles
ISO/IEC 11172 (MPEG-1) Audio Layer II used by CVD
ISO/IEC 13818 (MPEG-2) Video and programme stream used by CVD
ISO 9660 File system of track 1
CD-ROM XA / CD-i Bridge Sector formats and disc structure

IEC 62107 is therefore the international home of SVCD, not of CVD as a separately numbered format. CVD sits inside the Chinese Chaoji / SJ/T regime as a required playback target and as a disc family that shares SUPERVCD file-system identity with SVCD, while its characteristic subtitle format remains outside the IEC text. The White Book remains a licensed Philips document; researchers cannot treat public hobbyist summaries as a substitute for the licensed specification when licensing questions are at stake.

Licensing and royalties

The Chinese pitch for CVD and SVCD was royalty avoidance relative to DVD, but the formats were not royalty-free in practice. MPEG-2 video and systems fall under the MPEG LA patent pool. EVD’s later development was justified by DVD and MPEG-2 licensing costs “reportedly in the range of $13-$20 USD per hardware video player.” Chip IP remained foreign: C-Cube (United States) for CVD; ESS Technology (United States) with Shinco for the government SVCD side. A Chinese retrospective of Aido puts the dependency bluntly: “the chips were Dutch Philips, the mechanisms Japanese Sony; VCD was just an assembled product,” and “the real winners of the price war were these foreign chip companies.”

Disc production, by contrast, was described as open. Baidu Baike’s SVCD entry says Super VCD is “an open production specification, so manufacturers need not pay fees for this standard,” and that disc cost equalled VCD cost apart from content royalties-matching the 1998 Jinzheng argument that pressing plants needed no new investment. DVD fees caught up later: in 2000 the 6C DVD patent pool (Toshiba, Matsushita, JVC, Mitsubishi Electric, Hitachi, Time Warner) began negotiating with Chinese makers, and in April 2002 it reached agreement with the China Electronic Audio Industry Association on per-player fees for exports.

The political reading is therefore more precise than “royalty-free Chinese format.” CVD/SVCD avoided DVD-consortium control of the disc format and player feature set, reused existing CD plants, and kept consumer disc prices near VCD levels, while still depending on foreign MPEG decoder silicon and on MPEG-2 patent licensing for the compressed streams themselves. That distinction matters when later posts compare CVD’s politics to EVD and CBHD.

C-Cube corporate filings (SEC record)

C-Cube’s SEC filings are the only primary English-language business source for CVD. Key passages:

Filing Accession Relevant content
10-K FY1997 (filed 27 Mar 1998) 0000919870-98-000002 VideoCD “mass market adoption exclusively in China”; CL480/CL484/CL680 history; customers Idall, Malata, ChangHong, SAST, Xiamin Solid, Samsung; one customer = 20% of revenue; plans for “next generation MPEG-1 and MPEG-2 decoders” in 1998; half-D1 CLM4400 encoder
10-Q Q2 1998 0000919870-98-000011 Net revenues $82.5 million (+16%); sales from introduction of its CVDx1 decoder based on the new China Video Disc (CVD) platform
10-Q Q3 1998 (filed 16 Nov 1998) 0000919870-98-000013 “CVD decoder which is compliant with the new Chao Ji VCD standard”; China primary market for VideoCD and Chao Ji VCD players; Asian consumer markets about 45% of Q3 sales
10-K405 FY1998 0000891618-99-001073 FY1998 revenue $351.8 million; OEMs using its VideoCD decoders “also chose C-Cube’s Chaoji VCD decoders”

Note the shift in wording between Q2 1998 (“new China Video Disc (CVD) platform”) and Q3 1998 (“compliant with the new Chao Ji VCD standard”): C-Cube re-badged its CVD decoder as a Chaoji VCD part within one quarter of the MII standard. The customer list in the FY1997 10-K already names the brands that later appear in CVD launch reporting, including the still-unresolved “Xiamin Solid.” Asian consumer markets accounting for about 45% of Q3 1998 sales underline how dependent C-Cube’s decoder business was on the Chinese VideoCD channel that CVD and Chaoji were meant to extend.

Patent leads

No CVD-specific patent was identified in the gathered material. Relevant leads include US6370323B1 (“Digital video disc decoder including command buffer and command status pointers”), an LSI Logic patent assigned via C-Cube that illustrates decoder architecture patents but is not CVD-specific; and C-Cube’s FY1997 portfolio statement of 21 issued US patents and 61 pending, with expiries in the 2010-2015 window. Chinese patents (CNIPA) for 超级VCD, CVD 视盘 or C-Cube decoder terminology were not searched here and remain an open research task. Until a CNIPA hit or a C-Cube product patent expressly ties claim language to China Video Disc, treat “CVD patents” as an empty category rather than inventing a portfolio.

Standards research map

Item Status Where to look next
June 1998 CVD enterprise standard text Not found Chinese trade-press archives (电子报, 家用电器, 电子世界 1998); Jinzheng/Aido company archives
SJ/T 11196-1998 full text Not obtained std.samr.gov.cn (catalogue); Chinese standards resellers; university libraries
The “two technical changes towards CVD” Not itemised Full Guangming Daily 3 Nov 1998 article; the standard itself
C-Cube CVD decoder datasheet (CVDx1 / Chaoji parts) Not found Datasheet archives; LSI Logic legacy documentation
Philips SVCD 1.0 specification Licensed, not public Philips IP licensing
IEC 62107 Purchasable IEC webstore

Until those primary texts are in hand, CVD “specifications” in preservation guides remain reconstructions: SVCD geometry and file system, half-D1 MPEG-2 video, 44.1 kHz Layer II audio, CVD-style subtitles outside IEC 62107, and a Chaoji player mandate that keeps CVD playback as a Chinese Super VCD requirement rather than as a permanently separate national standard number. That is enough for identification and authoring practice; it is not enough for a lawyer’s reading of what the June 1998 enterprise standard originally claimed.

For later posts on players, PC playback and authoring, the working rule is: treat SJ/T 11196-1998 and Chaoji VCD as the binding Chinese compatibility frame; treat IEC 62107 and Philips SVCD 1.0 as the public/international SVCD disc references; treat MPEG LA and foreign decoder silicon as the real royalty floor; and treat any claim of a free-standing “national CVD standard number” as unsupported unless the June 1998 enterprise text or a CNIPA filing surfaces. C-Cube’s own SEC wording-from “China Video Disc (CVD) platform” in Q2 1998 to “Chao Ji VCD standard” in Q3-is the clearest primary-source marker of how quickly the brand was folded into the ministry umbrella.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon:

Blog CVD Guides Related Formats
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CVD Related Formats: SVCD, Chaoji VCD and Neighbours

CVD in the family of CD video formats

China Video Disc (CVD) is easiest to understand as one neighbour among several CD-based video formats rather than as an isolated invention. It inherits White Book Video CD’s physical geometry and disc-bridge conventions, fights government and Philips Super Video CD (SVCD) over resolution and subtitles, shares a Chaoji VCD player-compatibility umbrella in China, and later collides in hobbyist language with XVCD, XSVCD, KVCD templates and half-D1 DVD. This post keeps those relatives distinct: what each name means, which parameters actually differ, and which naming collisions still confuse collectors.

Philips CD-i player - White Book / CD-i Bridge lineage
CVD sits on the White Book / CD-i Bridge physical stack that also underpins Video CD. Photo: Wikimedia Commons (Philips CD-i), CC BY-SA (via Openverse).

White Book VCD: the baseline CVD set out to beat

Video CD was defined in 1993 by Sony, Philips, JVC and Matsushita. VCD 2.0 (1995) added playback control, still images and clearer PAL/NTSC variants; a VCD-Internet extension followed in 1997; SVCD was published as a White Book extension in 1998. The White Book itself is not freely available and must be licensed from Philips.

Parameter VCD 1.1 / 2.0
Video MPEG-1, constant bitrate 1,150 kbps (1,151.9 max)
Resolution 352×240 at 29.97 or 23.976 fps (NTSC); 352×288 at 25 fps (PAL)
Audio MPEG-1 Layer II, 224 kbps CBR, 44.1 kHz stereo
Playing time About 74-80 minutes per disc
Directory /VCD (INFO.VCD, ENTRIES.VCD, PSD.VCD, LOT.VCD), /MPEGAV, /SEGMENT, /CDI, /EXT
PBC VCD 2.0 onward
Chinese quality perception (1998) About 240-280 lines horizontal; “similar to watching TV” (Jinzheng)

VCD’s resolution is a quarter of standard-definition television-the problem CVD set out to fix. In China the White Book was complemented by domestic “VCD 3.0” player features, which 1998 press credits SVCD (not CVD) with supporting. CVD therefore improves picture by moving to MPEG-2 at half-D1 while keeping the same CD Form 2 world that VCD already occupied in Chinese living rooms.

Three things called “SVCD”

It is important to keep three different SVCD-labelled objects apart, plus the later international text:

Name What it is Date
Government SVCD (超级VCD draft) MII / National Recording Standards Committee programme, ESS-supported Draft mid-1998
Philips / VCD Consortium SVCD 1.0 Government SVCD after HQ-VCD features were merged; White Book extension distributed by Philips 1998
SJ/T 11196-1998 “Chaoji VCD” Chinese industry standard and player-compatibility regime covering SVCD and CVD discs Announced 29 Sep 1998; effective 1 Nov 1998
IEC 62107 International standard for SVCD (and VCD) 15 Jul 2000

SVCD parameters-the base from which CVD differs-are MPEG-2 VBR video at a maximum of about 2.6 Mbps, 480×480 (NTSC) or 480×576 (PAL), MPEG-1 Layer II audio at 44.1 kHz with up to two stereo or four mono tracks (MPEG-2 multichannel allowed), up to four OGT subtitle streams, and about 35-45 minutes per CD at full rate. Chinese press claimed about 350 lines of horizontal resolution. Philips later added an SVCD logo to its Compact Disc logo family. Western “SVCD-compatible” DVD player claims usually referred to the Philips disc format, which is why Region 1 players could claim SVCD support without CVD support.

HQ-VCD

HQ-VCD (High-Quality Video CD) was the Video CD Consortium’s own proposal, released in March 1998 and merged into SVCD in July 1998. It survives as a disc-type variant: VCDImager can build HQ-VCD images (-t hqvcd) carrying INFO system ID “HQ-VCD”, system profile tag 1, mandatory /EXT/SCANDATA.DAT and optional SEARCH.DAT. No commercial HQ-VCD title releases were found in the gathered material. For identification work, “HQ-VCD” in INFO is therefore a rare system-ID cousin of SUPERVCD, not a synonym for CVD.

CVD versus SVCD: the engineering trade-off

Factor CVD SVCD Comment
Horizontal resolution 352 480 SVCD has 36% more columns
Pixels per frame (PAL) 202,752 276,480 CVD spends the same bits on 27% fewer pixels
Bits per pixel at 2.5 Mbps ≈ 36% more than SVCD baseline Fewer blocking artefacts in motion
Scaling to DVD-player output (720/704) Exact ×2 Non-integer ×1.5 SVCD “foldover” aliasing on many players
DVD-legal video Yes No CVD video can move to DVD without re-encoding
Interlace Full lines kept Same Both better than VCD, which discards a field
Visible detail on 1998 CRT TVs Close to TV limit (makers’ claim) Above what many TVs resolve noulakaz argument
Player support outside China Lower Higher Community reports vary
1998 line-count claims 280 (hostile) to 400 (makers) 350+ Partisan figures

The 1998 Chinese makers argued that CVD’s resolution was “exactly at the upper limit of the TV set,” so the extra pixels of SVCD-or even DVD-would only show on fully digital televisions (Shenghuo Shibao, 29 July 1998). A later VideoHelp user with a large player-testing background summarised the practical bitrate result: DVD at 720×576 “will almost always look better than CVD… except at below 4,000 kbs bitrates at which point CVD can look better than SVCD and DVD is likely to show macroblocks.” Those claims are kept as community engineering arguments, not as laboratory measurements.

Community variants: XVCD, XSVCD, KVCD and “CVD on DVD”

These names are not standards but community labels for non-compliant variants.

  • XVCD (eXtended VCD): VCD structure with MPEG-1 (or MPEG-2 at VCD resolution) above 1,150 kbps, often up to about 2,500 kbps. Uses SUPERVCD-style or VCD INFO; player tolerance varies.
  • XSVCD (eXtended SVCD): MPEG-2 in Mode 2/XA at SVCD resolution but not meeting the SVCD standard (higher bitrate, larger GOPs, custom matrices). A 352-wide XSVCD is structurally a CVD.
  • KVCD / KSVCD / KDVD: Kwag’s TMPGEnc templates with custom quantisation matrices, long GOPs and low VBR rates (examples include 528×480 and 352×240). Marketing claims of “near DVD quality” for 120+ minutes are the template author’s, not measured results.
  • MVCD (Mole VCD): an XSVCD variant from the MVCD template set.
  • “CVD on DVD” / half-D1 DVD: 352×480/576 MPEG-2 authored as DVD-Video with 48 kHz audio-fully DVD-compliant, used for VHS archives and packing several films per DVD.

mjpegtools’ anytovcd.sh script has a cvd profile that actually means half-D1 DVD (mpeg2enc -f 8, AC-3 at 48 kHz, up to 7,500 kbps, with SARs 20:11 / 59:27 for 4:3 or 80:33 / 236:81 for 16:9). That is “CVD-resolution DVD,” not a CD-based CVD. The naming collision causes confusion in tutorials and must be read carefully whenever a guide says “author CVD.”

DVD-Video and why 352 is legal

DVD-Video permits MPEG-2 at 720×480/576, 704×480/576, 352×480/576 and 352×240/288 (MPEG-1 is also allowed at 352×240/288). The 352×480/576 case is the half-D1 resolution C-Cube already supported in its CLM4400 encoder. Audio for DVD must be 48 kHz (LPCM, AC-3, MPEG audio or DTS), so the only change needed to move CVD video to DVD is audio resampling and DVD authoring (IFO/VOB structure). As one VideoHelp user put it: “CVD, if done correctly, complies to the DVD standard (low res DVD video streams).”

Master comparison

Format Status Video NTSC / PAL Typical ceiling Time / 80-min CD DVD-legal video
VCD 1.1/2.0 White Book (1993/1995) MPEG-1 CBR 352×240 / 352×288 1,150 kbps ~80 min Yes (audio no)
CVD C-Cube/OEM 1998; inside Chaoji VCD MPEG-2 VBR 352×480 / 352×576 ≤~2.6 Mbps (2.52 typical) 35-45 min Yes (audio no)
SVCD IEC 62107; SJ/T 11196 MPEG-2 VBR 480×480 / 480×576 ≤~2.6 Mbps 35-45 min No
HQ-VCD IEC 62107 variant MPEG-2 as SVCD as SVCD as SVCD No
XVCD / XSVCD Non-standard MPEG-1/2 VCD or SVCD (or other) above White Book / SVCD varies Depends
KVCD family Templates MPEG-1/2 e.g. 528×480, 352×240 low VBR claimed 120+ min KDVD yes
DVD-Video DVD Forum MPEG-2 (MPEG-1 allowed) 720/704/352×480; 352×240 ≤9.8 Mbps n/a (4.7 GB) –
EVD (2003) Chinese VP5/VP6 (On2) up to HD – n/a (DVD disc) No
CBHD (2009) Chinese AVS / H.264 / VC-1 up to 1080 up to ~28 Mbps video n/a (blue laser) No

CVD sits between VCD and SVCD on the CD-era ladder: same physical CD and roughly the same bitrate budget as SVCD, half-D1 instead of 2/3 D1 video, and a path into DVD-Video without re-encoding the pictures. Chaoji VCD is the Chinese player-compatibility umbrella that required both CVD and SVCD discs to play; IEC 62107 is the later international SVCD text that does not include CVD-style subtitles. Later Chinese formats-EVD and CBHD-repeat the political pattern of seeking domestic control over the next optical generation, but they leave the CD Form 2 world entirely. For collectors and archivists, the practical neighbour set is VCD for installed-base context, SVCD for file-system identity, HQ-VCD for the rare system-ID variant, and half-D1 DVD for the modern reuse of CVD’s resolution.

Further reading on historic video formats

If you want to learn more about historic video formats, get The History of Physical Video Formats from the Frontier by Stephen Driver on Amazon: