ClassID:

197411

G10L2019/0004 - 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 Design or structure of the codebook

Sub-classes:
Recent Application in this class:
#1
20250356867
2025-11-20

Methods, Encoder And Decoder For Linear Predictive Encoding And Decoding Of Sound Signals Upon Transition Between Frames Having Different Sampling Rates

#2
20250356536
2025-11-20

ATTENTION-BASED VIDEO TOKEN GENERATION

#3
20250349303
2025-11-13

SPATIAL AUDIO PARAMETER ENCODING AND ASSOCIATED DECODING

#4
20250316282
2025-10-09

ERROR RESILIENT TOOLS FOR AUDIO ENCODING/DECODING

#5
20250266052
2025-08-21

SELF-SUPERVISED SPEECH QUALITY ESTIMATION AND ENHANCEMENT

#6
20250166640
2025-05-22

AUDIO ENCODING/DECODING METHOD AND APPARATUS, STORAGE MEDIUM, AND COMPUTER PROGRAM PRODUCT

#7
20240404537
2024-12-05

VECTOR QUANTIZATION OF DECORRELATED SPECTRAL COEFFICIENTS

#8
20240005930
2024-01-04

PERSONALIZED BANDWIDTH EXTENSION

#9
20230326472
2023-10-12

Methods, Encoder And Decoder For Linear Predictive Encoding And Decoding Of Sound Signals Upon Transition Between Frames Having Different Sampling Rates

#10
20230197087
2023-06-22

SPATIAL AUDIO PARAMETER ENCODING AND ASSOCIATED DECODING

#11
20230057858
2023-02-23

Handling Variable Payload Lengths Which Are Based On Different AMR Audio Codec Rates

#12
20220335956
2022-10-20

Quantization of spatial audio direction parameters

#13
20210375296
2021-12-02

Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates

#14
20200035253
2020-01-30

Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates

#15
20180137871
2018-05-17

Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates

#16
20180130480
2018-05-10

Audio coding with range extension

#17
20180075856
2018-03-15

Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates

#18
20170069306
2017-03-09

SIGNAL PROCESSING METHOD AND APPARATUS BASED ON STRUCTURED SPARSITY OF PHONOLOGICAL FEATURES

#19
20160335553
2016-11-17

Accoustic context recognition using local binary pattern method and apparatus

#20
20110010168
2011-01-13

Multimode coding of speech-like and non-speech-like signals

#21
20080015852
2008-01-17

Method and device for coding audio data based on vector quantisation

#22
20070118371
2007-05-24

Methods and apparatuses for variable dimension vector quantization

#23
20070118370
2007-05-24

Methods and apparatuses for variable dimension vector quantization

#24
20070118366
2007-05-24

Methods and apparatuses for variable dimension vector quantization

#25
20070118365
2007-05-24

Methods and apparatuses for variable dimension vector quantization

#26
20070055509
2007-03-08

Single-codebook vector quantization for multiple-rate applications

#27
20050228653
2005-10-13

Method for encoding sound source of probabilistic code book