ISO/IEC 14496-5:2001/AMD20:2009 PDF | Request Standard
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ISO/IEC 14496-5:2001/AMD20:2009

Information technology - Coding of audio-visual objects - Part 5: Reference software - Amendment 20: MPEG-1 and -2 on MPEG-4 reference software and BSAC extensions

Standard by IEC, 2009-10-02

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About This Item

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ISO/IEC 14496-5:2001/AMD20:2009 is a supporting amendment to the MPEG-4 reference software documentation, adding Amendment 20 content for MPEG-1 and MPEG-2 on MPEG-4 reference software and BSAC extensions. It is relevant for teams that rely on controlled reference implementations when evaluating coding behavior, checking interoperability, or maintaining technical consistency across audio-visual software workflows. For engineering, testing, and procurement reviews, ISO/IEC 14496-5:2001/AMD20:2009 helps identify the specific update connected to the parent document, ISO/IEC 14496, and supports documented evaluation.

What is ISO/IEC 14496-5:2001/AMD20:2009?

This document is an amendment to the reference software part of the ISO/IEC 14496 series, so it should be read as a modifying technical reference rather than a standalone specification. ISO/IEC 14496-5:2001/AMD20:2009 is tied to the software and extension material associated with MPEG-4 reference implementations, with the title indicating coverage related to MPEG-1 and -2 on MPEG-4 reference software and BSAC extensions. In practice, it is useful during technical review, conformity assessment preparation, and verification activities that depend on an authoritative change record.

Applications of ISO/IEC 14496-5:2001/AMD20:2009

Organizations may use ISO/IEC 14496-5:2001/AMD20:2009 when maintaining codec reference material, comparing implementation behavior, or reviewing software changes against the parent documentation. It can support laboratory evaluation, product evaluation, and engineering documentation for audio-visual systems where MPEG-related processing must remain consistent. Procurement teams and compliance specialists may also use it to confirm that a supplied document set includes the relevant amendment for quality workflows, technical validation, and traceable standards access.

Why is ISO/IEC 14496-5:2001/AMD20:2009 important?

For organizations working with reference software, amendments like ISO/IEC 14496-5:2001/AMD20:2009 matter because they help preserve operational consistency and reduce the risk of using outdated technical guidance. They are useful for testing workflows that require reproducible results, for conformity assessment preparation where document control is important, and for engineering validation where software behavior must be assessed against a defined reference. In procurement and compliance workflows, the amendment provides a precise point of reference for version tracking and documented evaluation.

  • Amendment to the MPEG-4 reference software documentation rather than a standalone primary standard
  • Relevant to reference software review, implementation comparison, and change tracking
  • Supports verification activities and laboratory evaluation in audio-visual software workflows
  • Useful for conformity assessment, technical validation, and controlled document sets
  • Helps maintain traceability within the ISO/IEC 14496 parent series
SKU: c537a2d6b826

  • Publication Date: 2009-10-02
  • Standard Status: Amendment
  • Publisher: IEC
  • Edition: 2

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