It is a common audio format for consumer audio streaming or storage and a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players.ĪAC supports the inclusion of 48 full-bandwidth audio channels in one stream plus 16 low-frequency effects channels, up to 16 "coupling" or dialog channels, and up to 16 data streams. MPEG-1 or MPEG-2 Audio Layer III, more commonly referred to as MP3, is an audio coding format for digital audio that uses lossy data compression. ISO and IEC have standardized AAC as part of the MPEG-2 and MPEG-4 specifications. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at similar bit rates. Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression.
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