ClassID:

197447

G10L19/08 - 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 using predictive techniques Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters

Sub-classes:
Recent Application in this class:
#1
20260148745
2026-05-28

SPEECH MODEL PARAMETER INTERPOLATION

#2
20260105925
2026-04-16

AUDIO DECODER, AUDIO ENCODER AND METHOD FOR CODING OF FRAMES USING A QUANTIZATION NOISE SHAPING

#3
20250210054
2025-06-26

METHOD, APPARATUS AND SYSTEM FOR HYBRID SPEECH SYNTHESIS

#4
20250182769
2025-06-05

AUDIO SAMPLE RECONSTRUCTION USING A NEURAL NETWORK AND MULTIPLE SUBBAND NETWORKS

#5
20250131933
2025-04-24

PACKET LOSS CONCEALMENT IN AN AUDIO DECODER

#6
20250071496
2025-02-27

APPARATUS AND METHOD FOR AUDIO RENDERING EMPLOYING A GEOMETRIC DISTANCE DEFINITION

#7
20250006210
2025-01-02

METHOD OF ENCODING/DECODING SPEECH SIGNAL AND DEVICE FOR PERFORMING THE SAME

#8
20240321281
2024-09-26

AUDIO DEVICE WITH UNCERTAINTY QUANTIFICATION AND RELATED METHODS

#9
20240304199
2024-09-12

DEVICE AND METHOD FOR GENERATING A HIGH-BAND SIGNAL FROM NON-LINEARLY PROCESSED SUB-RANGES

#10
20240298123
2024-09-05

METHOD OF OPERATING A HEARING AID SYSTEM AND A HEARING AID SYSTEM

#11
20240274150
2024-08-15

METHOD OF OPERATING AN AUDIO DEVICE SYSTEM AND AUDIO DEVICE SYSTEM

#12
20240267682
2024-08-08

METHOD OF OPERATING A HEARING AID SYSTEM AND A HEARING AID SYSTEM

#13
20240249731
2024-07-25

METHOD AND APPARATUS FOR CALCULATING DOWNMIXED SIGNAL AND RESIDUAL SIGNAL

#14
20240119953
2024-04-11

LOW-FREQUENCY EMPHASIS FOR LPC-BASED CODING IN FREQUENCY DOMAIN

#15
20240112688
2024-04-04

AUDIO COMPRESSION DEVICE, AUDIO COMPRESSION SYSTEM, AND AUDIO COMPRESSION METHOD

#16
20240105193
2024-03-28

Feature Data Encoding and Decoding Method and Apparatus

#17
20240096339
2024-03-21

AUDIO DIRECTIVITY CODING

#18
20230402054
2023-12-14

AUDIO GENERATION METHOD, AUDIO GENERATION DEVICE, AND STORAGE MEDIUM

#19
20230395085
2023-12-07

AUDIO PROCESSOR AND METHOD FOR GENERATING A FREQUENCY ENHANCED AUDIO SIGNAL USING PULSE PROCESSING

#20
20230370799
2023-11-16

Apparatus and method for audio rendering employing a geometric distance definition

#21
20230326471
2023-10-12

SYSTEM MONITORING BY PLAYING SOUND

#22
20230267940
2023-08-24

Audio signal compression method and apparatus using deep neural network-based multilayer structure and training method thereof

#23
20230197091
2023-06-22

SIGNAL TRANSFORMATION BASED ON UNIQUE KEY-BASED NETWORK GUIDANCE AND CONDITIONING

#24
20230087652
2023-03-23

Low-frequency emphasis for LPC-based coding in frequency domain

#25
20230079574
2023-03-16

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm

#26
20230075562
2023-03-09

Audio Transcoding Method and Apparatus, Audio Transcoder, Device, and Storage Medium

#27
20230046850
2023-02-16

LINEAR PREDICTION CODING PARAMETER CODING METHOD AND CODING APPARATUS

#28
20220406319
2022-12-22

Device and method for generating a high-band signal from non-linearly processed sub-ranges

#29
20220369061
2022-11-17

Spatial Audio Representation and Rendering

#30
20220343924
2022-10-27

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

#31
20220262377
2022-08-18

ELECTRONIC DEVICE AND CONTROL METHOD THEREOF

#32
20220139406
2022-05-05

Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal

#33
20220122621
2022-04-21

Parameter encoding and decoding

#34
20220122617
2022-04-21

Parameter encoding and decoding

#35
20220108707
2022-04-07

Parameter encoding and decoding

#36
20220059107
2022-02-24

Method, apparatus and system for hybrid speech synthesis

#37
20220005488
2022-01-06

METHODS OF ENCODING AND DECODING AUDIO SIGNAL USING NEURAL NETWORK MODEL, AND DEVICES FOR PERFORMING THE METHODS

#38
20210390967
2021-12-16

METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING LINEAR PREDICTIVE CODING

#39
20210343302
2021-11-04

HIGH RESOLUTION AUDIO CODING

#40
20210287687
2021-09-16

Audio processor and method for generating a frequency enhanced audio signal using pulse processing

#41
20210142812
2021-05-13

Residual coding method of linear prediction coding coefficient based on collaborative quantization, and computing device for performing the method

#42
20210082442
2021-03-18

Method and apparatus for calculating downmixed signal and residual signal

#43
20210065727
2021-03-04

High-band signal generation

#44
20210020187
2021-01-21

Method and apparatus for high frequency decoding for bandwidth extension

#45
20200402530
2020-12-24

Evaluation of speech quality in audio or video signals

#46
20200327897
2020-10-15

Audio source parameterization

#47
20200327896
2020-10-15

Low-frequency emphasis for LPC-based coding in frequency domain

#48
20200260205
2020-08-13

Apparatus and method for audio rendering employing a geometric distance definition

#49
20200227059
2020-07-16

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm

#50
20200219525
2020-07-09

Processing method of audio signal using spectral envelope signal and excitation signal and electronic device including a plurality of microphones supporting the same

#51
20200219521
2020-07-09

Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information

#52
20200137489
2020-04-30

Spatially biased sound pickup for binaural video recording

#53
20200090672
2020-03-19

Audio signal encoding and decoding

#54
20200066288
2020-02-27

Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal

#55
20200007153
2020-01-02

Coding method, decoding method, coder, and decoder

#56
20190385627
2019-12-19

Method and apparatus for high frequency decoding for bandwidth extension

#57
20190355378
2019-11-21

AUDIO SIGNAL ENCODING AND DECODING METHOD, AND AUDIO SIGNAL ENCODING AND DECODING APPARATUS

#58
20190325884
2019-10-24

Method for predicting bandwidth extension frequency band signal, and decoding device

#59
20190304473
2019-10-03

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

#60
20190272839
2019-09-05

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction

#61
20190272838
2019-09-05

Method and apparatus for predicting high band excitation signal

#62
20190228787
2019-07-25

Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information

#63
20190103121
2019-04-04

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm

#64
20190074847
2019-03-07

Coding method, decoding method, coder, and decoder

#65
20190057704
2019-02-21

Noise signal processing method, noise signal generation method, encoder, decoder, and encoding and decoding system

#66
20180358981
2018-12-13

Low bit rate signal coder and decoder

#67
20180293993
2018-10-11

LOW-FREQUENCY EMPHASIS FOR LPC-BASED CODING IN FREQUENCY DOMAIN

#68
20180293991
2018-10-11

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

#69
20180240467
2018-08-23

Low-frequency emphasis for LPC-based coding in frequency domain

#70
20180204580
2018-07-19

Encoder and method for encoding an audio signal with reduced background noise using linear predictive coding

#71
20180182407
2018-06-28

Speech signal decoding device and method for decoding speech signal

#72
20180182406
2018-06-28

Long-term prediction and frequency domain pitch period based encoding and decoding

#73
20180182405
2018-06-28

Frequency domain pitch period based encoding and decoding in accordance with magnitude and amplitude criteria

#74
20180166085
2018-06-14

Bandwidth extension audio decoding method and device for predicting spectral envelope

#75
20180152199
2018-05-31

Coding method, decoding method, coder, and decoder

#76
20180144758
2018-05-24

Signaling processor capable of generating and synthesizing high frequency recover signal

#77
20180122393
2018-05-03

Method for predicting bandwidth extension frequency band signal, and decoding device

#78
20180114533
2018-04-26

Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal

#79
20180068677
2018-03-08

Apparatus, method, and non-transitory computer-readable storage medium for storing program for utterance section detection

#80
20180033444
2018-02-01

Method for adaptively encoding an audio signal in dependence on noise information for higher encoding accuracy

#81
20180018989
2018-01-18

Audio signal encoding and decoding method, and audio signal encoding and decoding apparatus

#82
20170372718
2017-12-28

Method and apparatus for encoding and decoding high frequency for bandwidth extension

#83
20170323648
2017-11-09

Noise signal processing method, noise signal generation method, encoder, decoder, and encoding and decoding system

#84
20170309285
2017-10-26

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction

#85
20170270942
2017-09-21

High band excitation signal generation

#86
20170249948
2017-08-31

Method and apparatus for predicting high band excitation signal

#87
20170221498
2017-08-03

Adaptive bandwidth extension and apparatus for the same

#88
20170178636
2017-06-22

METHOD AND ELECTRONIC DEVICE FOR JOINTLY PLAYING HIGH-FIDELITY SOUNDS OF MULTIPLE PLAYERS

#89
20170162209
2017-06-08

Fast computation of excitation pattern, auditory pattern and loudness

#90
20170092282
2017-03-30

Method and apparatus for high frequency decoding for bandwidth extension

#91
20170084284
2017-03-23

High-band signal coding using multiple sub-bands

#92
20170032799
2017-02-02

Reuse of syntax element indicating quantization mode used in compressing vectors

#93
20170032797
2017-02-02

Reuse of syntax element indicating vector quantization codebook used in compressing vectors

#94
20170032794
2017-02-02

Reuse of index of huffman codebook for coding vectors

#95
20170018277
2017-01-19

Noise signal processing method, noise signal generation method, encoder, decoder, and encoding and decoding system

#96
20170013388
2017-01-12

Apparatus and method for audio rendering employing a geometric distance definition

#97
20160379657
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal

#98
20160379652
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal

#99
20160379651
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal

#100
20160379650
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal

#101
20160379649
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal

#102
20160379648
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal

#103
20160379647
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal

#104
20160379646
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal

#105
20160379645
2016-12-29

Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal

#106
20160372128
2016-12-22

Encoder, decoder and method for encoding and decoding

#107
20160372126
2016-12-22

Device and method for generating a high-band signal from non-linearly processed sub-ranges

#108
20160344405
2016-11-24

Coding method, decoding method, coder, and decoder

#109
20160300582
2016-10-13

Device and method for reducing quantization noise in a time-domain decoder

#110
20160247513
2016-08-25

Method for predicting bandwidth extension frequency band signal, and decoding device

#111
20160247506
2016-08-25

Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal

#112
20160240207
2016-08-18

Method and apparatus for encoding and decoding high frequency for bandwidth extension

#113
20160240203
2016-08-18

Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal

#114
20160232908
2016-08-11

Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information

#115
20160210979
2016-07-21

Method and apparatus for predicting high band excitation signal

#116
20160171986
2016-06-16

Method of detecting a predetermined frequency band in an audio data signal, detection device and computer program corresponding thereto

#117
20160133273
2016-05-12

Frequency band extension in an audio signal decoder

#118
20160118053
2016-04-28

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

#119
20160111094
2016-04-21

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

#120
20160105198
2016-04-14

Coding method, decoding method, coder, and decoder

#121
20160086613
2016-03-24

Bandwidth extension audio decoding method and device for predicting spectral envelope

#122
20160078878
2016-03-17

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction

#123
20160055858
2016-02-25

System and method for reducing tandeming effects in a communication system

#124
20160035369
2016-02-04

Method and apparatus for adaptively encoding and decoding high frequency band

#125
20160005392
2016-01-07

Devices and methods for noise modulation in a universal vocoder synthesizer

#126
20150332695
2015-11-19

Low-frequency emphasis for LPC-based coding in frequency domain

#127
20150332688
2015-11-19

Method for predicting bandwidth extension frequency band signal, and decoding device

#128
20150317994
2015-11-05

High band excitation signal generation

#129
20150279384
2015-10-01

High-band signal coding using multiple sub-bands

#130
20150264483
2015-09-17

LOW FREQUENCY RENDERING OF HIGHER-ORDER AMBISONIC AUDIO DATA

#131
20150249899
2015-09-03

Apparatus and method for generating a plurality of parametric audio streams and apparatus and method for generating a plurality of loudspeaker signals

#132
20150235653
2015-08-20

Audio signal encoding and decoding method, and audio signal encoding and decoding apparatus

#133
20150213809
2015-07-30

Coding independent frames of ambient higher-order ambisonic coefficients

#134
20150213805
2015-07-30

Indicating frame parameter reusability for coding vectors

#135
20150206536
2015-07-23

Differential dynamic content delivery with text display

#136
20150179190
2015-06-25

Method of detecting a predetermined frequency band in an audio data signal, detection device and computer program corresponding thereto

#137
20150170662
2015-06-18

High-band signal modeling

#138
20150155882
2015-06-04

Coding method, decoding method, coder, and decoder

#139
20150149161
2015-05-28

Method and arrangement for scalable low-complexity coding/decoding

#140
20150149156
2015-05-28

Selective phase compensation in high band coding of an audio signal

#141
20150106108
2015-04-16

Linear prediction based audio coding using improved probability distribution estimation

#142
20150106107
2015-04-16

Systems and methods of energy-scaled signal processing

#143
20150073784
2015-03-12

Adaptive bandwidth extension and apparatus for the same

#144
20150046172
2015-02-12

Encoding method, decoding method, encoder, decoder, program and recording medium

#145
20140257822
2014-09-11

Method and apparatus for adaptively encoding and decoding high frequency band

#146
20140188469
2014-07-03

Differential dynamic content delivery with text display in dependence upon simultaneous speech

#147
20140108007
2014-04-17

Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless

#148
20140019129
2014-01-16

Differential dynamic content delivery with text display in dependence upon simultaneous speech

#149
20140012571
2014-01-09

Method and apparatus for providing speech coding coefficients using re-sampled coefficients

#150
20130246073
2013-09-19

Coding device, coding method, decoding device, decoding method, and storage medium

#151
20130214943
2013-08-22

Low bit rate signal coder and decoder

#152
20130208903
2013-08-15

Reverberation estimator

#153
20130121508
2013-05-16

Non-speech content for low rate CELP decoder

#154
20130021177
2013-01-24

Coding method, decoding method, coder, and decoder

#155
20130013307
2013-01-10

Differential dynamic content delivery with text display in dependence upon simultaneous speech

#156
20120177234
2012-07-12

Hearing aid with audio codec and method

#157
20120130722
2012-05-24

Multiple description audio coding and decoding method, apparatus, and system

#158
20120109653
2012-05-03

Very low bit rate signal coder and decoder

#159
20120101813
2012-04-26

Coding generic audio signals at low bitrates and low delay

#160
20110224975
2011-09-15

Low-delay audio coder

#161
20110218800
2011-09-08

METHOD AND APPARATUS FOR OBTAINING PITCH GAIN, AND CODER AND DECODER

#162
20110166854
2011-07-07

Method, apparatus, program, and recording medium for long-term prediction coding and long-term prediction decoding

#163
20110153335
2011-06-23

Method and apparatus for processing audio signals

#164
20110029317
2011-02-03

Dynamic time scale modification for reduced bit rate audio coding

#165
20110029304
2011-02-03

Hybrid instantaneous/differential pitch period coding

#166
20110022391
2011-01-27

Method and apparatus for generating an excitation signal for background noise

#167
20100317396
2010-12-16

COMMUNICATION SYSTEM

#168
20100262421
2010-10-14

Encoding device, decoding device, and method thereof

#169
20100241425
2010-09-23

Method and device for coding transition frames in speech signals

#170
20100198587
2010-08-05

Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder

#171
20100125455
2010-05-20

AUDIO ENCODING AND DECODING WITH INTRA FRAMES AND ADAPTIVE FORWARD ERROR CORRECTION

#172
20100049511
2010-02-25

Coding method, decoding method, coder and decoder

#173
20100004934
2010-01-07

Speech separating apparatus, speech synthesizing apparatus, and voice quality conversion apparatus

#174
20090292534
2009-11-26

Fixed code book search device and fixed code book search method

#175
20090271184
2009-10-29

Scalable encoding device, and scalable encoding method

#176
20090265167
2009-10-22

Speech encoding apparatus and speech encoding method

#177
20090198499
2009-08-06

Method and apparatus for encoding residual signals and method and apparatus for decoding residual signals

#178
20090180531
2009-07-16

CODEC WITH PLC CAPABILITIES

#179
20090070118
2009-03-12

AUDIO CODING AND DECODING

#180
20090063139
2009-03-05

Signal modification method for efficient coding of speech signals

#181
20080312917
2008-12-18

Method and apparatus for predictively quantizing voiced speech

#182
20080312914
2008-12-18

Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding

#183
20080306732
2008-12-11

Method and device for carrying out optimal coding between two long-term prediction models

#184
20080243518
2008-10-02

System And Method For Compressing And Reconstructing Audio Files

#185
20080208599
2008-08-28

Modifying a speech signal

#186
20080172227
2008-07-17

Differential dynamic content delivery with text display in dependence upon simultaneous speech

#187
20080126083
2008-05-29

Method, apparatus, program and recording medium for long-term prediction coding and long-term prediction decoding

#188
20080082343
2008-04-03

Apparatus and method for processing signal, recording medium, and program

#189
20070282600
2007-12-06

Decoding of predictively coded data using buffer adaptation

#190
20070239440
2007-10-11

Processing of excitation in audio coding and decoding

#191
20070233470
2007-10-04

Multichannel signal coding equipment and multichannel signal decoding equipment

#192
20070118371
2007-05-24

Methods and apparatuses for variable dimension vector quantization

#193
20070118370
2007-05-24

Methods and apparatuses for variable dimension vector quantization

#194
20070118366
2007-05-24

Methods and apparatuses for variable dimension vector quantization

#195
20070118365
2007-05-24

Methods and apparatuses for variable dimension vector quantization

#196
20070112561
2007-05-17

LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor

#197
20060074641
2006-04-06

Methods, devices and systems for improved codebook search for voice codecs

#198
20050228651
2005-10-13

Audio encoding and decoding with intra frames and adaptive forward error correction

#199
20050192797
2005-09-01

Coding model selection

#200
20050154595
2005-07-14

Differential dynamic content delivery with text display in dependence upon simultaneous speech

#201
20050143986
2005-06-30

LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor and optimized ternary source excitation codebook derivation

#202
20050137858
2005-06-23

Speech coding method, device, coding module, system and software program product for pre-processing the phase structure of a to be encoded speech signal to match the phase structure of the decoded signal

#203
20050131681
2005-06-16

Continuous time warping for low bit-rate CELP coding

#204
20050078832
2005-04-14

Parametric audio coding

#205
20050071153
2005-03-31

Signal modification method for efficient coding of speech signals

#206
20050043944
2005-02-24

Low bit-rate coding of unvoiced segments of speech

#207
20050010400
2005-01-13

Code conversion method, apparatus, program, and storage medium

#208
15889970
2019-11-26

Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless

#209
15195587
2017-08-08

Methods and devices for ignoring similar audio being received by a system