SPEECH DECODER, SPEECH ENCODER, SPEECH DECODING METHOD, SPEECH ENCODING METHOD, SPEECH DECODING PROGRAM AND SPEECH ENCODING PROGRAM

摘要

FIELD: information technology.SUBSTANCE: invention relates to speech decoder and encoder speech. Speech decoder includes a multiplexing unit, a unit for decoding the low-frequency band, a block of filter bank for frequency band separation, an encoded sequence, a decoding unit and de-quantiser encoded sequence, a unit for generating high-frequency band, a unit for calculating the time envelope of the low-frequency band, a unit for correction of time bending components of high-frequency band.EFFECT: technical result-reduction of distortion of the reproduced signal.19 cl, 40 dwg