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Meaning of ADAPTIVE TRANSFORM ACOUSTIC CODING

 
Computing Dictionary
 
 Definition: 

(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.

 

 

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