DECODING PREDICTIVELY CODED DATA USING BUFFER ADAPTATION Russian patent published in 2010 - IPC G10L19/14 

FIELD: information technology.

SUBSTANCE: decoder (e.g., an AAC-LTP decoder) receives a stream containing coded audio data and prediction data. The coded data is upsampled or downsampled during decoding. Portions of the decoded data are stored in a buffer for use in decoding subsequent coded data. The buffer into which the decoded data is placed has different dimensions than the buffer used in a coder when generating the coded data. A portion of the data in the decoder buffer is identified and modified with interleaved zero values so as to correspond to the dimensions of the prediction coding buffer in the coder.

EFFECT: high sound quality during decoding.

18 cl, 19 dwg