Sub-band coding: Difference between revisions

Revision as of 02:51, 21 April 2005

Revision as of 20:41, 23 April 2005

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'''Subband encoding''' is an [[audio compression]] technique where the sound is split into [[frequency bandsband]]s and then parts of the signal which the [[ear]] cannot detect are removed, e.g. a quiet sound masked by a loud one. The remaining signal is encoded using variable bit-rates with more bits per sample being used in the mid frequency range..

Subband encoding is used, for example, in [[MPEG-1]].

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