ClassID:

197415

G10L2019/0008 - 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 Algebraic codebooks

Recent Application in this class:
#1
20250069608
2025-02-27

LOW BITRATE AUDIO ENCODING/DECODING SCHEME HAVING CASCADED SWITCHES

#2
20250061903
2025-02-20

LOW BITRATE AUDIO ENCODING/DECODING SCHEME HAVING CASCADED SWITCHES

#3
20250061902
2025-02-20

LOW BITRATE AUDIO ENCODING/DECODING SCHEME HAVING CASCADED SWITCHES

#4
20230402045
2023-12-14

LOW BITRATE AUDIO ENCODING/DECODING SCHEME HAVING CASCADED SWITCHES

#5
20230011987
2023-01-12

LOW BITRATE AUDIO ENCODING/DECODING SCHEME HAVING CASCADED SWITCHES

#6
20230011775
2023-01-12

LOW BITRATE AUDIO ENCODING/DECODING SCHEME HAVING CASCADED SWITCHES

#7
20230009374
2023-01-12

LOW BITRATE AUDIO ENCODING/DECODING SCHEME HAVING CASCADED SWITCHES

#8
20220343924
2022-10-27

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

#9
20200227054
2020-07-16

Low bitrate audio encoding/decoding scheme having cascaded switches

#10
20190304473
2019-10-03

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

#11
20190259393
2019-08-22

Low bitrate audio encoding/decoding scheme having cascaded switches

#12
20180374489
2018-12-27

Bit error detector for an audio signal decoder

#13
20180293991
2018-10-11

Apparatus and method for improved concealment of the adaptive codebook in ACELP-like concealment employing improved pulse resynchronization

#14
20170287493
2017-10-05

Frame loss compensation processing method and apparatus

#15
20160118053
2016-04-28

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

#16
20160111094
2016-04-21

Apparatus and method for improved concealment of the adaptive codebook in a CELP-like concealment employing improved pulse resynchronization

#17
20130317811
2013-11-28

Efficient encoding/decoding of audio signals

#18
20130066640
2013-03-14

Audio encoding/decoding scheme having a switchable bypass

#19
20120271644
2012-10-25

Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation

#20
20110238425
2011-09-29

Multi-resolution switched audio encoding/decoding scheme

#21
20110202355
2011-08-18

Audio encoding/decoding scheme having a switchable bypass

#22
20110202354
2011-08-18

Low bitrate audio encoding/decoding scheme having cascaded switches

#23
20110200198
2011-08-18

Low bitrate audio encoding/decoding scheme with common preprocessing

#24
20110145003
2011-06-16

Simultaneous time-domain and frequency-domain noise shaping for TDAC transforms

#25
20110077945
2011-03-31

Flexible parameter update in audio/speech coded signals

#26
20100153100
2010-06-17

ADDRESS GENERATOR FOR SEARCHING ALGEBRAIC CODEBOOK

#27
20100114568
2010-05-06

APPARATUS FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREOF

#28
20070282601
2007-12-06

Packet loss concealment for a conjugate structure algebraic code excited linear prediction decoder

#29
20050285764
2005-12-29

Method and system for multi-rate lattice vector quantization of a signal

#30
20050065785
2005-03-24

Indexing pulse positions and signs in algebraic codebooks for coding of wideband signals