The Probert Encyclopaedia of Science & Technology

AAC

In computing, AAC (Advanced Audio Coding) is an audio compression technology that is part of the MPEG-2 standard. It provides a greater compression and superior sound quality than MP3, which is also part of the MPEG specification. AAC is available in three profiles: 'Main', 'Low Complexity' (LC) and 'Scaleable Sampling Rate' (SSR), with 'Main' providing the highest quality.
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