Glossary

Glossary

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AAC

Advanced Audio Coding (previously known as MPEG-2 AAC) is an audio compression format, used for downloaded music files, streaming-media, and satellite-radio applications. It is the successor of MP3, designed to offer better sound quality, requiring about 30% less data to do so. AAC supports bit-rates from 8kbps to 320kbps. There are different AAC profiles, which determine how the algorithms work to encode the audio data. They include Main - offering the highest quality, Low Complexity (LC) - offering lower quality, but using less CPU processing and Scalable Sampling Rate (SSR) - a variation of LC.

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