ClassID:

197493

G10L21/0308 - CPC Classification

Classification description:

Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility; Speech enhancement, e.g. noise reduction or echo cancellation; Voice signal separating characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques

Recent Application in this class:
#1
20260154390
2026-06-04

METHOD AND SYSTEM FOR CONTINUOUS AUTHENTICATION OF PARTICIPANTS IN COMMUNICATION SESSIONS

#2
20260134878
2026-05-14

SOUND SOURCE SEPARATION METHOD AND APPARATUS

#3
20260112354
2026-04-23

METHOD AND APPARATUS FOR ADDING REVERBERATION, DEVICE, AND PRODUCT

#4
20250384895
2025-12-18

Sound Separation Based on Distance Estimation using Machine Learning Models

#5
20250372065
2025-12-04

KARAOKE DEVICE AND VOICE SCORING SYSTEM THEREOF

#6
20250259641
2025-08-14

Audio Source Separation Processing Workflow Systems and Methods

#7
20250232781
2025-07-17

METHOD AND APPARATUS FOR INCREASING STABILITY OF AN INTER-CHANNEL TIME DIFFERENCE PARAMETER

#8
20250078857
2025-03-06

IMPLEMENTING IMPROVED AUDIO SOURCE SEPARATION

#9
20250061913
2025-02-20

SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM

#10
20250029594
2025-01-23

TIMBRE SELECTION METHOD AND APPARATUS, ELECTRONIC DEVICE, READABLE STORAGE MEDIUM, AND PROGRAM PRODUCT

#11
20250006215
2025-01-02

VOICE SEPARATION METHOD AND APPARATUS, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM

#12
20240404545
2024-12-05

AUDIO PROCESSING METHOD AND APPARATUS

#13
20240386905
2024-11-21

DEEP LEARNING FOR JOINT ACOUSTIC ECHO AND ACOUSTIC HOWLING SUPPRESSION IN HYBRID MEETINGS

#14
20240363137
2024-10-31

LOW COMPLEXITY SUB-BAND SPEECH ONSET DETECTION (SOD)

#15
20240363094
2024-10-31

Headphone Conversation Detect

#16
20240312449
2024-09-19

Unsupervised Learning of Disentangled Speech Content and Style Representation

#17
20240304207
2024-09-12

Removal of Audio Noise

#18
20240282329
2024-08-22

METHOD AND APPARATUS FOR SEPARATING AUDIO SIGNAL, DEVICE, STORAGE MEDIUM, AND PROGRAM

#19
20240274149
2024-08-15

SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM

#20
20240265934
2024-08-08

INFORMATION PROCESSING APPARATUS, SIGNAL PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM

#21
20240257825
2024-08-01

DYNAMIC SELECTION OF APPROPRIATE FAR-FIELD SIGNAL SEPARATION ALGORITHMS

#22
20240257823
2024-08-01

SYSTEMS AND METHODS FOR REMOTE REAL-TIME AUDIO MONITORING

#23
20240249741
2024-07-25

Guided Speech Enhancement Network

#24
20240242727
2024-07-18

Acoustic Echo Cancellation

#25
20240203441
2024-06-20

AUDIO SIGNAL PROCESSING METHOD AND MOBILE APPARATUS

#26
20240194213
2024-06-13

Audio Source Separation using Hyperbolic Embeddings

#27
20240177727
2024-05-30

METHOD PERFORMED BY ELECTRONIC DEVICE AND APPARATUS

#28
20240177719
2024-05-30

METHOD AND APPARATUS FOR INCREASING STABILITY OF AN INTER-CHANNEL TIME DIFFERENCE PARAMETER

#29
20240170003
2024-05-23

Audio Signal Enhancement with Recursive Restoration Employing Deterministic Degradation

#30
20240144952
2024-05-02

SOUND SOURCE SEPARATION APPARATUS, SOUND SOURCE SEPARATION METHOD, AND PROGRAM

#31
20240127841
2024-04-18

ACOUSTIC SIGNAL ENHANCEMENT APPARATUS, METHOD AND PROGRAM

#32
20240096343
2024-03-21

VOICE QUALITY ENHANCEMENT METHOD AND RELATED DEVICE

#33
20240079021
2024-03-07

VOICE ENHANCEMENT METHOD, APPARATUS AND SYSTEM, AND COMPUTER-READABLE STORAGE MEDIUM

#34
20240046948
2024-02-08

DEVICE AND METHOD FOR REMOVING WIND NOISE AND ELECTRONIC DEVICE COMPRISING WIND NOISE REMOVING DEVICE

#35
20230419980
2023-12-28

INFORMATION PROCESSING DEVICE, AND OUTPUT METHOD

#36
20230359885
2023-11-09

SYSTEM AND METHOD FOR AUTOMATING DESIGN OF SOUND SOURCE SEPARATION DEEP LEARNING MODEL

#37
20230352041
2023-11-02

End-to-end speaker diarization system with auxiliary loss and method thereof

#38
20230306984
2023-09-28

COMPUTER-READABLE RECORDING MEDIUM HAVING STORED THEREIN PROGRAM FOR GENERATING MODEL, INFORMATION PROCESSING APPARATUS, AND METHOD FOR GENERATING MODEL

#39
20230290370
2023-09-14

AUDIO AUTOMATIC MIXER WITH FREQUENCY WEIGHTING

#40
20230274758
2023-08-31

METHOD AND ELECTRONIC DEVICE

#41
20230232176
2023-07-20

PERCEPTUAL OPTIMIZATION OF MAGNITUDE AND PHASE FOR TIME-FREQUENCY AND SOFTMASK SOURCE SEPARATION SYSTEMS

#42
20230223036
2023-07-13

EFFICIENT BLIND SOURCE SEPARATION USING TOPOLOGICAL APPROACH

#43
20230197099
2023-06-22

Speech Identification and Extraction from Noise Using Extended High Frequency Information

#44
20230169981
2023-06-01

Method and apparatus for performing speaker diarization on mixed-bandwidth speech signals

#45
20230130844
2023-04-27

Audio source separation processing workflow systems and methods

#46
20230031846
2023-02-02

Method and apparatus for detecting similarity between multimedia information, electronic device, and storage medium

#47
20230016242
2023-01-19

Processing Apparatus, Processing Method, and Storage Medium

#48
20230005479
2023-01-05

METHOD FOR PROCESSING AN AUDIO STREAM AND CORRESPONDING SYSTEM

#49
20220392463
2022-12-08

Method and apparatus for increasing stability of an inter-channel time difference parameter

#50
20220339383
2022-10-27

ACOUSTIC ANALYSIS OF A RESPIRATORY THERAPY SYSTEM

#51
20220338756
2022-10-27

SYSTEM AND METHOD FOR AUTOMATIC DETECTION OF DISEASE-ASSOCIATED RESPIRATORY SOUNDS

#52
20220310109
2022-09-29

Adaptive diarization model and user interface

#53
20220223144
2022-07-14

Method and apparatus for speech source separation based on a convolutional neural network

#54
20220199101
2022-06-23

Dialogue enhancement in audio codec

#55
20220189456
2022-06-16

Unsupervised learning of disentangled speech content and style representation

#56
20220165288
2022-05-26

Audio signal processing method and apparatus, electronic device, and storage medium

#57
20220139415
2022-05-05

Method and system for voice separation based on degenerate unmixing estimation technique

#58
20220130407
2022-04-28

METHOD FOR ISOLATING SOUND, ELECTRONIC EQUIPMENT, AND STORAGE MEDIUM

#59
20220130395
2022-04-28

Voice-controlled management of user profiles

#60
20220109927
2022-04-07

Systems and methods for audio processing

#61
20220093117
2022-03-24

Systems and methods for intelligent voice activation for auto-mixing

#62
20220076690
2022-03-10

Signal processing apparatus, learning apparatus, signal processing method, learning method and program

#63
20220028408
2022-01-27

Signal separation apparatus, signal separation method and program

#64
20210407531
2021-12-30

Removal of audio noise

#65
20210398549
2021-12-23

Signal separation apparatus, signal separation method and program

#66
20210366508
2021-11-25

Vowel sensing voice activity detector

#67
20210366502
2021-11-25

Estimation device, learning device, estimation method, learning method, and recording medium

#68
20210312939
2021-10-07

APPARATUS AND METHOD FOR SOURCE SEPARATION USING AN ESTIMATION AND CONTROL OF SOUND QUALITY

#69
20210312938
2021-10-07

Automatic interpretation server and method thereof

#70
20210217434
2021-07-15

Online target-speech extraction method based on auxiliary function for robust automatic speech recognition

#71
20210183403
2021-06-17

FREQUENCY EXTRACTION METHOD USING DJ TRANSFORM

#72
20210183401
2021-06-17

Systems and methods for audio source separation via multi-scale feature learning

#73
20210174821
2021-06-10

Improving speech intelligibility by varying gains of sound types based on scene information

#74
20210158832
2021-05-27

Method and device for evaluating performance of speech enhancement algorithm, and computer-readable storage medium

#75
20210151066
2021-05-20

Audio device and method of audio processing with improved talker discrimination

#76
20210074312
2021-03-11

Method and apparatus for detecting a voice activity in an input audio signal

#77
20210027793
2021-01-28

Method and apparatus for increasing stability of an inter-channel time difference parameter

#78
20210012790
2021-01-14

SIGNAL ANALYSIS DEVICE, SIGNAL ANALYSIS METHOD, AND SIGNAL ANALYSIS PROGRAM

#79
20200411031
2020-12-31

Signal analysis device for modeling spatial characteristics of source signals, signal analysis method, and recording medium

#80
20200395036
2020-12-17

Sound signal model learning device, sound signal analysis device, method and program

#81
20200395033
2020-12-17

Removal of audio noise

#82
20200395030
2020-12-17

Modular echo cancellation unit

#83
20200372925
2020-11-26

Method and device of denoising voice signal

#84
20200327897
2020-10-15

Audio source parameterization

#85
20200312347
2020-10-01

Methods, apparatuses and computer programs relating to spatial audio

#86
20200286495
2020-09-10

Method and apparatus for increasing stability of an inter-channel time difference parameter

#87
20200273480
2020-08-27

Sound source separating device, sound source separating method, and program

#88
20200265849
2020-08-20

Decomposing audio signals

#89
20200194006
2020-06-18

Voice-controlled management of user profiles

#90
20200175960
2020-06-04

Non-transitory computer-read able storage medium for storing utterance detection program, utterance detection method, and utterance detection apparatus

#91
20200152222
2020-05-14

Processing of sound data for separating sound sources in a multichannel signal

#92
20200143819
2020-05-07

Mask calculation device, cluster weight learning device, mask calculation neural network learning device, mask calculation method, cluster weight learning method, and mask calculation neural network learning method

#93
20200126581
2020-04-23

Noise cancellation in voice communication systems

#94
20200043467
2020-02-06

Monaural multi-talker speech recognition with attention mechanism and gated convolutional networks

#95
20200035257
2020-01-30

Removal of audio noise

#96
20200027473
2020-01-23

Blind signal separation method and structure, voice control system, and electrical appliance assembly

#97
20190371354
2019-12-05

Systems and methods for intelligent voice activation for auto-mixing

#98
20190362736
2019-11-28

Dry sound and ambient sound separation

#99
20190325899
2019-10-24

Computationally efficient speech classifier and related methods

#100
20190267019
2019-08-29

Mask estimation apparatus, mask estimation method, and mask estimation program

#101
20190251988
2019-08-15

Signal processing device, signal processing method, and computer-readable recording medium

#102
20190198036
2019-06-27

Information processing apparatus, information processing method, and recording medium

#103
20190198023
2019-06-27

Method for associating a device with a speaker in a gateway, corresponding computer program, computer and apparatus

#104
20190188468
2019-06-20

Signal processing device, signal processing method, and computer-readable recording medium

#105
20190156854
2019-05-23

Method and apparatus for detecting a voice activity in an input audio signal

#106
20190156853
2019-05-23

Signal detection device, signal detection method, and signal detection program

#107
20190139563
2019-05-09

Multi-channel speech separation

#108
20190115043
2019-04-18

Sound source separation method and sound source separation apparatus

#109
20190115030
2019-04-18

Detection of replay attack

#110
20190035418
2019-01-31

Sound signal procession method and device

#111
20180366135
2018-12-20

Spatial correlation matrix estimation device, spatial correlation matrix estimation method, and spatial correlation matrix estimation program

#112
20180301160
2018-10-18

Signal processing apparatus and method

#113
20180277141
2018-09-27

Signal processing apparatus, signal processing method and labeling apparatus

#114
20180254054
2018-09-06

SOUND-RECOGNITION SYSTEM BASED ON A SOUND LANGUAGE AND ASSOCIATED ANNOTATIONS

#115
20180254040
2018-09-06

Multi-talker speech recognizer

#116
20180204580
2018-07-19

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

#117
20180190312
2018-07-05

Removal of audio noise

#118
20180182412
2018-06-28

Blind source separation using similarity measure

#119
20180144759
2018-05-24

Audio source separation with source direction determination based on iterative weighting

#120
20180103333
2018-04-12

Audio object extraction with sub-band object probability estimation

#121
20180082702
2018-03-22

Distributed environmental microphones to minimize noise during speech recognition

#122
20180075866
2018-03-15

Analyzing changes in vocal power within music content using frequency spectrums

#123
20180075854
2018-03-15

Method and arrangement for controlling smoothing of stationary background noise

#124
20180061435
2018-03-01

Method and apparatus for detecting a voice activity in an input audio signal

#125
20180040338
2018-02-08

Vowel sensing voice activity detector

#126
20170372724
2017-12-28

Analyzing changes in vocal power within music content using frequency spectrums

#127
20170358315
2017-12-14

Processing of signals from luminaire mounted microphones for enhancing sensor capabilities

#128
20170309289
2017-10-26

METHODS, APPARATUSES AND COMPUTER PROGRAMS RELATING TO MODIFICATION OF A CHARACTERISTIC ASSOCIATED WITH A SEPARATED AUDIO SIGNAL

#129
20170301354
2017-10-19

Method, apparatus and system

#130
20170256271
2017-09-07

Systems and methods facilitating selective removal of content from a mixed audio recording

#131
20170243597
2017-08-24

Binaurally integrated cross-correlation auto-correlation mechanism

#132
20170221502
2017-08-03

Globally optimized least-squares post-filtering for speech enhancement

#133
20170213567
2017-07-27

NOISE SUPPRESSION SYSTEM AND METHOD

#134
20170206907
2017-07-20

Decomposing audio signals

#135
20170186442
2017-06-29

Audio signal noise reduction in noisy environments

#136
20170178664
2017-06-22

APPARATUS, SYSTEMS AND METHODS FOR PROVIDING CLOUD BASED BLIND SOURCE SEPARATION SERVICES

#137
20170133034
2017-05-11

Audio coherence enhancement by controlling time variant weighting factors for decorrelated signals

#138
20170133033
2017-05-11

Removal of audio noise

#139
20170084292
2017-03-23

Electronic device and method capable of voice recognition

#140
20170078790
2017-03-16

Microphone signal fusion

#141
20170047079
2017-02-16

Sound signal processing device and sound signal processing method

#142
20170034620
2017-02-02

Sound field reproduction device, sound field reproduction method, and program

#143
20170025133
2017-01-26

Noise elimination circuit

#144
20170004841
2017-01-05

Enhancement of noisy speech based on statistical speech and noise models

#145
20160358619
2016-12-08

Multi-microphone speech recognition systems and related techniques

#146
20160351204
2016-12-01

Method and Apparatus for Processing Speech Signal According to Frequency-Domain Energy

#147
20160322064
2016-11-03

Method and apparatus for signal extraction of audio signal

#148
20160314787
2016-10-27

Speech recognition apparatus and computer program product for speech recognition

#149
20160275964
2016-09-22

Feature compensation apparatus and method for speech recognition in noisy environment

#150
20160260443
2016-09-08

Method and apparatus for detecting a voice activity in an input audio signal

#151
20160232924
2016-08-11

Estimating fractional chirp rate with multiple frequency representations

#152
20160203829
2016-07-14

Systems and methods for speech extraction

#153
20160189731
2016-06-30

Process and associated system for separating a specified audio component affected by reverberation and an audio background component from an audio mixture signal

#154
20160171977
2016-06-16

Speech recognition using associative mapping

#155
20160155457
2016-06-02

Method and arrangement for controlling smoothing of stationary background noise

#156
20160155434
2016-06-02

VOICE ACTIVITY DETECTOR (VAD)-BASED MULTIPLE-MICROPHONE ACOUSTIC NOISE SUPPRESSION

#157
20160099008
2016-04-07

Hearing device comprising a low-latency sound source separation unit

#158
20160027451
2016-01-28

System and Method for Providing Noise Suppression Utilizing Null Processing Noise Subtraction

#159
20160005418
2016-01-07

Signal processor and method therefor

#160
20150242180
2015-08-27

Non-negative matrix factorization regularized by recurrent neural networks for audio processing

#161
20150205575
2015-07-23

Audio signal processing apparatus and method thereof

#162
20150032445
2015-01-29

Noise estimation apparatus, noise estimation method, noise estimation program, and recording medium

#163
20130231923
2013-09-05

Voice signal enhancement

#164
20130182852
2013-07-18

Direct-diffuse decomposition

#165
20130096922
2013-04-18

Method, apparatus and computer program product for determining the location of a plurality of speech sources

#166
20120253819
2012-10-04

Location determination system and mobile terminal

#167
20120203719
2012-08-09

AUDIO SIGNAL PROCESSING DEVICE, AUDIO SIGNAL PROCESSING METHOD, AND PROGRAM

#168
20120082323
2012-04-05

Sound signal processing device

#169
20120059648
2012-03-08

Voice activity detector (VAD)—based multiple-microphone acoustic noise suppression

#170
20110191102
2011-08-04

SYSTEMS AND METHODS FOR SPEECH EXTRACTION

#171
20110022361
2011-01-27

Sound processing device, sound processing method, and program

#172
20100088092
2010-04-08

Method and arrangement for controlling smoothing of stationary background noise

#173
20090323982
2009-12-31

System and method for providing noise suppression utilizing null processing noise subtraction

#174
20090238377
2009-09-24

Speech enhancement using multiple microphones on multiple devices

#175
17145437
2022-06-07

Speech filtering in a vehicle

#176
15289181
2017-08-22

Speech enhancement for target speakers

#177
15186993
2017-06-13

Systems and methods facilitating selective removal of content from a mixed audio recording

#178
13972262
2016-06-21

Systems and methods facilitating selective removal of content from a mixed audio recording

#179
13744134
2015-10-27

Multiple range dynamic level control