G10L2019/0003 - CPC Classification Index

ClassID:

197410 ⎘

G10L2019/0003 - 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 Backward prediction of gain

Recent Application in this class:

20220343924

2022-10-27

Apparatus and method for improved concealment of the adaptive codebook in a CELP-like concealment employing improved pitch lag estimation

20190304473

2019-10-03

Apparatus and method for improved concealment of the adaptive codebook in ACELP-like concealment employing improved pitch lag estimation

20170270943

2017-09-21

Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec

20170186439

2017-06-29

Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec

20170148460

2017-05-25

Systems and methods of performing gain adjustment

20160118053

2016-04-28

Apparatus and method for improved concealment of the adaptive codebook in a CELP-like concealment employing improved pitch lag estimation

20120284020

2012-11-08

System and method of speech compression using an inter frame parameter correlation

20090024395

2009-01-22

AUDIO SIGNAL ENCODING METHOD, AUDIO SIGNAL DECODING METHOD, TRANSMITTER, RECEIVER, AND WIRELESS MICROPHONE SYSTEM