标准摘要
[中文适用范围]： IEC 61937 的这一部分描述了传送按照 MPEG-4 AAC 格式及其扩展（频谱带复制、参量立体声和 MPEG 环绕）编码的非线性 PCM 比特流的方法，以及按照 MPEG-4 AAC 格式编码的非线性 PCM 比特流的方法。 MPEG- [外文原描述]： 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.
英文名称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