IEC 61937-11:2021 

Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 11: MPEG-4 AAC and its extensions and MPEG-D USAC in LATM/LOAS

Note: a redline version of this publication exists
IEC 61937-11:2021 RLV


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IEC 61937-11:2021 is available as IEC 61937-11:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61937-11:2021 describes the method to convey non-linear PCM bitstreams encoded in accordance with the MPEG-4 AAC format and its extensions (spectral band replication, parametric stereo and MPEG surround), and non-linear PCM bitstreams encoded in accordance with the MPEG-D USAC format, framed in MPEG-4 LATM/LOAS. IEC 61937-11:2021 cancels and replaces the first edition published in 2010, and Amendment 1:2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) MPEG-D USAC has been added.

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Additional information

Publication typeInternational Standard
Publication date2021-07-15
Available language(s)English
TC/SCTC 100/TA 20 - Analogue and digital audiorss
ICS33.160.30 - Audio systems
33.170 - Television and radio broadcasting
Stability date  2023
File size1219 KB

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