G10L2019/001 - CPC Classification Index

ClassID:

197417 ⎘

G10L2019/001 - CPC Classification

Classification description:

Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis; Codebooks; Codebook element generation Interpolation of codebook vectors

Recent Application in this class:

20240404539

Audio Encoding/Decoding based on an Efficient Representation of Auto-Regressive Coefficients

20240096333

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM

20230178087

Audio encoding/decoding based on an efficient representation of auto-regressive coefficients

20210201924

Audio encoding/decoding based on an efficient representation of auto-regressive coefficients

20200243098

Audio encoding/decoding based on an efficient representation of auto-regressive coefficients

20190207588

Rate converter

20180041196

Rate convertor

20160155450

Audio Encoding/Decoding based on an Efficient Representation of Auto-Regressive Coefficients

20160140983

Rate convertor

20160140976

CELP-type speech coding apparatus and method using adaptive and fixed codebooks

20120245930

Method and apparatus for encoding a speech signal