Frank Baumgarte, Apple, presented
m32274
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Proposed extension of 14496-3 to support DRC
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Frank Baumgarte, Nikolaus Rettelbach,
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The contribution proposes a method to carry DRC metadata in MPEG-4 Audio. What is proposed is:
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A Fill Element extension_type is defined
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A field is defined to specify the DRC time resolution
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Additional syntax in the Fill Element is defined to carry the DRC information
Open issues
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How to make DRC mandatory for future implementations
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How to carry the uni_drc() payload from e.g. the AAC decoder to the DRC decoder.
It was the consensus of the Audio subgroup to issue the contribution as part of Working Draft of MPEG-4 Audio Amendment 5.
Max Neuendorf, FhG-IIS, presented
m32397
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Proposed Updates to MPEG-4 Audio
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Stephan Schreiner, Nikolaus Rettelbach
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The contribution proposed
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Add profile/level indication for SAOC-DE
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Equation for downmix to mono
It was the consensus of the Audio subgroup to issue the contribution as part Working Draft of MPEG-4 Audio Amendment 5.
Max Neuendorf, FhG-IIS, presented
m32314
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Reference Software and Conformance for ISO/IEC 14496-3:2009 AMD 4
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Nikolaus Rettelbach
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The contribution proposes
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Extensions to ISO/IEC 14496-26, MPEG Audio Conformance to support ISO/IEC 14496-3:2009 AMD 4 technology
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Extensions to ISO/IEC 14496-5 to support ISO/IEC 14496-3:2009 AMD 4 technology
The Audio subgroup looks forward to WD text for amendments to ISO/IEC 14496-26 and ISO/IEC 14496-5 at a future MPEG meeting.
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