ISO/IEC 14496-18:2004/AMD1:2014 PDF | Request Standard
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ISO/IEC 14496-18:2004/AMD1:2014

Information technology - Coding of audio-visual objects - Part 18: Font compression and streaming - Amendment 1: Updated semantics of decoderSpecificInfo and font data description for ISOBMFF

Standard by IEC, 2014-06-10

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ISO/IEC 14496-18:2004/AMD1:2014

ISO/IEC 14496-18:2004/AMD1:2014.PDF

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ISO/IEC 14496-18:2004/AMD1:2014 is an amendment to the ISO/IEC 14496 series that updates the semantics of decoderSpecificInfo and font data description for ISOBMFF-based font compression and streaming. It is relevant for teams that need a precise compliance reference when reviewing how font-related metadata is encoded, interpreted, or exchanged within multimedia file workflows. For engineering, testing, and procurement activities, ISO/IEC 14496-18:2004/AMD1:2014 helps align technical documentation and verification activities with the amended requirements in a controlled and traceable way.

ISO/IEC 14496-18:2004/AMD1:2014 standard overview

This amendment supports the parent ISO/IEC 14496 document by refining how decoderSpecificInfo and font data description are understood in the context of font compression and streaming. In practice, it is used as a supporting technical document during technical review, documented evaluation, and conformity assessment preparation. Organizations working with ISOBMFF-related implementations may use it to confirm that metadata handling, parser behavior, and file description logic remain consistent with the amended semantics, especially where interoperability and implementation clarity are important.

Applications of ISO/IEC 14496-18:2004/AMD1:2014

ISO/IEC 14496-18:2004/AMD1:2014 is typically consulted in multimedia software development, content packaging workflows, and validation environments where font data is stored or streamed alongside coded audio-visual objects. It can also support laboratory evaluation and technical assessment when checking how systems interpret font descriptors within ISOBMFF structures. For organizations managing product evaluation or compliance workflows, the amendment is useful when verifying that implementations handle updated semantics consistently across authoring tools, playback systems, and file inspection processes.

Why ISO/IEC 14496-18:2004/AMD1:2014 matters

This amendment matters because small changes in metadata semantics can affect interoperability, validation results, and downstream processing behavior. Using ISO/IEC 14496-18:2004/AMD1:2014 as a compliance reference helps reduce interpretation risk during engineering validation and quality workflows, particularly when multiple tools or vendors exchange the same multimedia asset. It also supports procurement and conformity assessment activities by providing a traceable basis for checking whether implementations follow the amended description rules. That can improve consistency in testing workflows and reduce avoidable rework.

  • Amendment to the ISO/IEC 14496 parent series for font compression and streaming.
  • Clarifies the semantics of decoderSpecificInfo and font data description for ISOBMFF use cases.
  • Useful for implementation review, parser validation, and metadata conformance checks.
  • Supports interoperability-focused testing and documented evaluation of multimedia tooling.
  • Relevant to compliance workflows where precise technical interpretation is required.
SKU: a184d1ce73aa

  • Publication Date: 2014-06-10
  • Standard Status: Amendment
  • Publisher: IEC
  • Edition: 1

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