MPEG-D
Parts
MPEG Surround
Part number:
1
Specification of MPEG Surround audio compression format
Spatial Audio Object Coding
Part number:
2
Spatial Audio Object Coding
Unified Speech and Audio Coding
Part number:
3
Specification of a Unified Speech and Audio compression format
Audio Dynamic Range Control
Part number:
4
DRC capability is integrated with MPEG-4 AAC, but this standard should be more broadly applicable, be an advance on the AAC technology, and take into account recent developments in the field, including regulatory developments.
Dynamic Range Control
Part number:
4
A universal dynamic range control standard that supports loudness normalization that is bitrate efficient representation of dynamically compressed versions of an audio signal.
Uncompressed Audio in MP4 FF
Part number:
5
To specify how uncompressed (PCM samples) audio data can be stored