Abstract
FIELD: electronics.SUBSTANCE: invention relates to quantization of linear predictive coding coefficients. Device for quantization of a speech or an audio signal comprises: selection module configured to select basing on a prediction error one of the first sampling unit and the second unit of sampling by open circuit; the first sampling unit is configured to input signal sampling including at least one of the speech signal or the audio signal without an interframe prediction; the second sampling unit is configured to input signal sampling with the interframe prediction.EFFECT: technical result is higher efficiency of quantization of an audio or a voice signal by selecting the optimum quantization module.20 cl 38 dwg 9 tbl
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