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MPEG AAC Audio Codec Constraints for Cable Television ...
https://www.scte.org/standards/library/catalog/scte-193-1-mpeg-4-aac-family-audio-system-part1-coding-constraints-for-cable-television/
MPEG AAC Audio Codec Constraints for Cable Television – Coding. This document defines the coding constraints on MPEG 4 AAC, HE AAC, and HE AAC v2 (referred to collectively in this document as the “AAC family”) profile audio for cable television. It also discusses MPEG-2 AAC LC profile audio, which is closely related to MPEG-4 AAC profile audio. The carriage of the …
Advanced Audio Coding (MPEG-4) - loc.gov
https://www.loc.gov/preservation/digital/formats/fdd/fdd000114.shtml
AAC_MP4 is an object-based coding standard; decoders for AAC_MP2 may not be able to read AAC_MP4. The specification defines various object types and profiles; see Notes . Video-capable iPods and iPhones specify video files for which the audio appears to be audio- object -limited rather than profile-compliant; see AAC_MP4_LC .
AAC Audio Codec ? What Is AAC Audio? How AAC Audio …
https://headendinfo.com/aac-audio-codec/
Thus MPEG-4 HE-AAC is efficient version of AAC-LC . So is called as MPEG-4 High Efficiency-Advanced Audio Coding. For better compression and higher audio quality PS tool is implemented. Where PS represents the Parametric Stereo. So it is used to compress the audio more than 30 percent. Which results MPEG-4 HE-AAC Version 2.
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