FIELD: encoding technologies.
SUBSTANCE: method includes providing speech signal in frame-based form, during processing frames and prior to processing sub-frames amplification coefficient for adaptive code book for each sub-frame of current frame is determined on basis of speech signal, vector quantization of amplification coefficients of adaptive codebook is performed, during processing of sub-frames amplification coefficient of fixed codebook is determined for each sub-frame of current frame and after processing sub-frames vector quantization is performed for amplification coefficients of codebook with delayed solution.
EFFECT: higher speed of operation, broader functional capabilities, higher efficiency.
4 cl, 14 dwg
