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Online Computer Terms Dictionary - A

Adaptive TRansform Acoustic Coding

<algorithm> (ATRAC) An audio compression algorithm, introduced by Sony for its Mini Disk, which relies on the masking of low-amplitude frequency components by temporaly adjacent high-amplitude components. ATRAC consists of a three-band subband encoder (0...5.5, 5.5...11, 11...22 kHz) and a MDCT based transformation encoder.

[Does Sony Minidisk use ADPCM?]



Nearby terms: adaptive routing Adaptive Server Enterprise Adaptive Simulated Annealing Adaptive TRansform Acoustic Coding Adaptor Ada Semantic Interface Specification Ada Software Repository