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Disc Description Protocol

set of required and optional files used for specifying the content of optical discs, including CDs and DVDs

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionFeb 15, 2026
Entity authorityQ1228359 ↗
Source-derived summary

Disc Description Protocol (DDP) is a format for specifying the content of optical discs, including CDs and DVDs.

DDP is commonly used for delivery of disc premasters for duplication. DDP is a proprietary format and is the property of DCA. The file format specification is not freely available.

The DDP must contain 4 parts:

Audio image(s) (.DAT file(s))

DDP Identifier (DDPID)

DDP Stream descriptor (DDPMS)

Subcode descriptor (PQDESCR)

An optional text file, containing the track titles and timings, can also be included.

Editorial summary

The public source identifies “Disc Description Protocol” as set of required and optional files used for specifying the content of optical discs, including CDs and DVDs. This brief keeps that definition visible, then builds a research path around Disc, Description and Protocol.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current 82-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Disc, Description and Protocol providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Disc Description Protocol”, the useful work is to connect “set of required and optional files used for specifying the content of optical discs, including CDs and DVDs” to the records capable of establishing context and consequence.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Feb 15, 2026. The linked authority identifier is Q1228359. None of the 0 selected statements returned an explicit reference.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Disc Description Protocol”, its source revision and the description used here.
  2. Expand the search: follow Disc Description Protocol primary sources, Disc Description Protocol archive and Disc research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Disc Description Protocol”?
  2. Which institution is responsible for the underlying evidence?
  3. What terminology or title could unlock a more precise catalogue search?
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Source & attribution

This entry incorporates text from “Disc Description Protocol” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.