ClassID:

197477

G10L21/0205 - CPC Classification

Classification description:

Recent Application in this class:
#1
20210343305
2021-11-04

Using a predictive model to automatically enhance audio having various audio quality issues

#2
20210287680
2021-09-16

Cognitive automation-based engine BOT for processing audio and taking actions in response thereto

#3
20210264929
2021-08-26

Dynamic creation and insertion of content

#4
20210225384
2021-07-22

Device and method for generating synchronous corpus

#5
20210210110
2021-07-08

Trending and context fatigue compensation in a voice signal

#6
20210201936
2021-07-01

Background noise estimation and voice activity detection system

#7
20210201926
2021-07-01

Audio device with speech-based audio signal processing

#8
20210193159
2021-06-24

Training a voice morphing apparatus

#9
20210151064
2021-05-20

Linearization of non-linearly transformed signals

#10
20210142815
2021-05-13

Generating synthetic acoustic impulse responses from an acoustic impulse response

#11
20210134312
2021-05-06

Audio-visual speech enhancement

#12
20210110812
2021-04-15

Audio quality of speech in sound systems

#13
20210104253
2021-04-08

Systems and methods for recording quality driven communication management

#14
20210098013
2021-04-01

Conferencing audio manipulation for inclusion and accessibility

#15
20210089260
2021-03-25

Methods and system for controlling tactile content

#16
20200380073
2020-12-03

System and method for phonetic hashing and named entity linking from output of speech recognition

#17
20200366968
2020-11-19

Audio improvement using closed caption data

#18
20200349962
2020-11-05

Audio signal processing for noise reduction

#19
20200341723
2020-10-29

Playback sound provision device

#20
20200265857
2020-08-20

Speech enhancement method and apparatus, device and storage medium

#21
20200265856
2020-08-20

Speech-to-text conversion based on quality metric

#22
20200251120
2020-08-06

METHOD AND SYSTEM FOR INDIVIDUALIZED SIGNAL PROCESSING OF AN AUDIO SIGNAL OF A HEARING DEVICE

#23
20200244802
2020-07-30

SYSTEMS AND METHODS FOR ADAPTION OF A TELEPHONIC AUDIO SIGNAL

#24
20200211579
2020-07-02

Sound playback system and output sound adjusting method thereof

#25
20200211578
2020-07-02

Mixed-reality audio intelligibility control

#26
20200202890
2020-06-25

Voice activity detection method

#27
20200194019
2020-06-18

Acoustic echo cancellation during playback of encoded audio

#28
20200184985
2020-06-11

Multi-stream target-speech detection and channel fusion

#29
20200168237
2020-05-28

Speech signal processing method and apparatus

#30
20200143800
2020-05-07

Audio processing method and apparatus

#31
20200090677
2020-03-19

Separating desired audio content from undesired content

#32
20200090675
2020-03-19

Method and apparatus for processing speech signal adaptive to noise environment

#33
20200081686
2020-03-12

Playback sound provision device

#34
20200077175
2020-03-05

Methods and systems for wireless audio

#35
20200075034
2020-03-05

Method and system for enhancing a speech signal of a human speaker in a video using visual information

#36
20200075033
2020-03-05

Data driven radio enhancement

#37
20200074995
2020-03-05

System and method for relative enhancement of vocal utterances in an acoustically cluttered environment

#38
20200066294
2020-02-27

Detecting repetitions in audio data

#39
20200059556
2020-02-20

Systems and methods for adaption of a telephonic audio signal

#40
20200045166
2020-02-06

ACOUSTIC SIGNAL PROCESSING DEVICE, ACOUSTIC SIGNAL PROCESSING METHOD, AND HANDS-FREE COMMUNICATION DEVICE

#41
20200022002
2020-01-16

User call quality improvement

#42
20190392852
2019-12-26

Data driven audio enhancement

#43
20190371352
2019-12-05

Determining and remedying audio quality issues in a voice communication

#44
20190362732
2019-11-28

Dialogue enhancement based on synthesized speech

#45
20190355375
2019-11-21

Microphone array based pickup method and system

#46
20190348060
2019-11-14

APPARATUS AND METHOD FOR ENHANCING A WANTED COMPONENT IN A SIGNAL

#47
20190341069
2019-11-07

Voice activity detector for audio signals

#48
20190333504
2019-10-31

Speech pre-processing in a voice interactive intelligent personal assistant

#49
20190318755
2019-10-17

Systems, methods, and computer-readable media for improved real-time audio processing

#50
20190311728
2019-10-10

Multiple microphone speech generative networks

#51
20190287547
2019-09-19

Speech enhancement device, speech enhancement method, and non-transitory computer-readable medium

#52
20190279654
2019-09-12

Audio signal processing for noise reduction

#53
20190272842
2019-09-05

Speech enhancement for an electronic device

#54
20190237066
2019-08-01

Source localization method by using steering vector estimation based on on-line complex Gaussian mixture model

#55
20190222943
2019-07-18

Method of operating a hearing device and a hearing device providing speech enhancement based on an algorithm optimized with a speech intelligibility prediction algorithm

#56
20190189144
2019-06-20

Multi-channel speech enhancement

#57
20190180749
2019-06-13

Coordinating the execution of a voice command across multiple connected devices

#58
20190172476
2019-06-06

Deep learning driven multi-channel filtering for speech enhancement

#59
20190164563
2019-05-30

Audio quality in real-time communications over a network

#60
20190156847
2019-05-23

Transparent near-end user control over far-end speech enhancement processing

#61
20190156846
2019-05-23

CREATING DEVICE, CREATING METHOD, AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM

#62
20190115039
2019-04-18

Speech processing method and terminal

#63
20190088269
2019-03-21

Method and system of acoustic dereverberation factoring the actual non-ideal acoustic environment

#64
20190080708
2019-03-14

Device and method for adjusting speech intelligibility at an audio device

#65
20190066710
2019-02-28

TRANSPARENT NEAR-END USER CONTROL OVER FAR-END SPEECH ENHANCEMENT PROCESSING

#66
20190066695
2019-02-28

Voiceprint registration method, server and storage medium

#67
20190035415
2019-01-31

Audio processing for speech

#68
20190019526
2019-01-17

Hearing device and method with non-intrusive speech intelligibility

#69
20190005976
2019-01-03

Method and system for enhancing a speech signal of a human speaker in a video using visual information

#70
20180350388
2018-12-06

Fast playback in media files with reduced impact to speech quality

#71
20180350379
2018-12-06

Multi-channel speech signal enhancement for robust voice trigger detection and automatic speech recognition

#72
20180350378
2018-12-06

Detecting and reducing feedback

#73
20180330742
2018-11-15

SPEECH ACQUISITION DEVICE AND SPEECH ACQUISITION METHOD

#74
20180315439
2018-11-01

Signal processor

#75
20180315438
2018-11-01

Voice data compensation with machine learning

#76
20180315431
2018-11-01

Audio frame labeling to achieve unequal error protection for audio frames of unequal importance

#77
20180293047
2018-10-11

Playback sound provision device

#78
20180286422
2018-10-04

Speech signal cascade processing method, terminal, and computer-readable storage medium

#79
20180286391
2018-10-04

Coordinating the execution of a voice command across multiple connected devices

#80
20180277135
2018-09-27

Audio signal quality enhancement based on quantitative SNR analysis and adaptive Wiener filtering

#81
20180277133
2018-09-27

Input/output mode control for audio processing

#82
20180270565
2018-09-20

Audio signal processing for noise reduction

#83
20180268841
2018-09-20

Systems, methods and devices for intelligent speech recognition and processing

#84
20180268837
2018-09-20

Audio signal processing for noise reduction

#85
20180254050
2018-09-06

Speech enhancement with low-order non-negative matrix factorization

#86
20180240471
2018-08-23

Method and system of acoustic dereverberation factoring the actual non-ideal acoustic environment

#87
20180220007
2018-08-02

Full-duplex adaptive echo cancellation in a conference endpoint

#88
20180211682
2018-07-26

Processing high-definition audio data

#89
20180204580
2018-07-19

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

#90
20180182392
2018-06-28

Method for performing voice control on device with microphone array, and device thereof

#91
20180174597
2018-06-21

Headset and method for controlling same

#92
20180166092
2018-06-14

Voice signal processing apparatus and voice signal processing method

#93
20180166090
2018-06-14

Voice signal processing apparatus and voice signal processing method

#94
20180122397
2018-05-03

Sound processing method and sound processing apparatus

#95
20180108368
2018-04-19

Method for locating sound emitting position and terminal device

#96
20180090156
2018-03-29

Speech evaluation apparatus and speech evaluation method

#97
20180068671
2018-03-08

System and method for authenticating voice commands for a voice assistant

#98
20180061433
2018-03-01

SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT

#99
20180061431
2018-03-01

Method for evaluating a quality of voice onset of a speaker

#100
20180061430
2018-03-01

System and method for auditing and filtering digital audio files

#101
20180040335
2018-02-08

Audio signal processing apparatus for processing an input earpiece audio signal upon the basis of a microphone audio signal

#102
20180040332
2018-02-08

Voice processing device, audio and video output apparatus, communication system, and sound processing method

#103
20180035250
2018-02-01

Smartphone Bluetooth headset receiver

#104
20180033453
2018-02-01

Voice activity detector for audio signals

#105
20180025740
2018-01-25

OPTIMIZATION OF SPEECH INPUT FOR MULTIPLE SPEECH AGENTS USED IN A COMMON APPLICATION ENVIRONMENT

#106
20180020285
2018-01-18

System and method for assessing speaker spatial orientation

#107
20180018986
2018-01-18

SYSTEM AND METHOD FOR MEASURING LENGTH OF UTTERANCE

#108
20180018985
2018-01-18

SYSTEM AND METHOD FOR DETECTING REPETITIVE SPEECH

#109
20180018984
2018-01-18

Assessment and adjustment of audio installation

#110
20180018975
2018-01-18

System and method for identifying speech prosody

#111
20180012614
2018-01-11

Method and system for multi-talker babble noise reduction

#112
20170372719
2017-12-28

Sibilance detection and mitigation

#113
20170365275
2017-12-21

Speech enhancement method and system

#114
20170365270
2017-12-21

Speech signal processing method and apparatus

#115
20170352362
2017-12-07

Method and device of audio source separation

#116
20170330579
2017-11-16

Method and device for improving audio processing performance

#117
20170323653
2017-11-09

Speech enhancement and audio event detection for an environment with non-stationary noise

#118
20170309289
2017-10-26

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

#119
20170309288
2017-10-26

Decoding method and decoder for dialog enhancement

#120
20170294890
2017-10-12

SYSTEM AND METHOD FOR DYNAMIC EQUALIZATION OF AUDIO DATA

#121
20170287499
2017-10-05

METHOD AND APPARATUS FOR ENHANCING SOUND SOURCES

#122
20170287498
2017-10-05

Speech processing system and speech processing method

#123
20170287495
2017-10-05

Distributed suppression or enhancement of audio features

#124
20170287480
2017-10-05

VOICE WAKE-UP METHOD AND DEVICE

#125
20170256269
2017-09-07

Monaural intrusive speech intelligibility predictor unit, a hearing aid and a binaural hearing aid system

#126
20170249954
2017-08-31

Method of improving sound quality and headset thereof

#127
20170236526
2017-08-17

Sound quality improving method and device, sound decoding method and device, and multimedia device employing same

#128
20170229136
2017-08-10

VEHICLE-MOUNTED SOUND PROCESSING DEVICE

#129
20170221502
2017-08-03

Globally optimized least-squares post-filtering for speech enhancement

#130
20170186441
2017-06-29

Techniques for spatial filtering of speech

#131
20170169838
2017-06-15

Acoustic signal processing system capable of detecting double-talk and method

#132
20170169836
2017-06-15

Combined voice recognition, hands-free telephony and in-car communication

#133
20170149461
2017-05-25

Method and apparatus for discriminating between voice signals

#134
20170148465
2017-05-25

Harmonic feature processing for reducing noise

#135
20170134888
2017-05-11

Smartphone bluetooth headset receiver

#136
20170133040
2017-05-11

Abnormal frame detection method and apparatus

#137
20170133037
2017-05-11

Systems, methods and devices for intelligent speech recognition and processing

#138
20170127177
2017-05-04

Noise estimation in a mobile device using an external acoustic microphone signal

#139
20170117003
2017-04-27

Audio system, audio device, mobile terminal device and audio signal control method

#140
20170098453
2017-04-06

Filtering sounds for conferencing applications

#141
20170004840
2017-01-05

Voice activity detection method and method used for voice activity detection and apparatus thereof

#142
20160379661
2016-12-29

NOISE REDUCTION FOR ELECTRONIC DEVICES

#143
20160379660
2016-12-29

Filtering sounds for conferencing applications

#144
20160372133
2016-12-22

Method and device for boosting formants from speech and noise spectral estimation

#145
20160365099
2016-12-15

Method and system for consonant-vowel ratio modification for improving speech perception

#146
20160360324
2016-12-08

Voice signal processing apparatus and voice signal processing method

#147
20160360314
2016-12-08

Microphone-based orientation sensors and related techniques

#148
20160343388
2016-11-24

Voice signal processing apparatus and voice signal processing method

#149
20160335043
2016-11-17

Methods and apparatus for improving understandability of audio corresponding to dictation

#150
20160322068
2016-11-03

Voice activity detector for audio signals

#151
20160314802
2016-10-27

VOLUME CONTROLLING METHOD AND DEVICE

#152
20160284349
2016-09-29

METHOD AND SYSTEM OF ENVIRONMENT SENSITIVE AUTOMATIC SPEECH RECOGNITION

#153
20160275960
2016-09-22

Voice enhancement method

#154
20160240210
2016-08-18

Speech Enhancement to Improve Speech Intelligibility and Automatic Speech Recognition

#155
20160232916
2016-08-11

Object sound period detection apparatus, noise estimating apparatus and SNR estimation apparatus

#156
20160232914
2016-08-11

Sound enhancement through deverberation

#157
20160217803
2016-07-28

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

#158
20160210982
2016-07-21

Method and Apparatus to Enhance Speech Understanding

#159
20160196838
2016-07-07

Utilizing digital microphones for low power keyword detection and noise suppression

#160
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

#161
20160189705
2016-06-30

QUANTITATIVE F0 CONTOUR GENERATING DEVICE AND METHOD, AND MODEL LEARNING DEVICE AND METHOD FOR F0 CONTOUR GENERATION

#162
20160173995
2016-06-16

System and method for dynamic recovery of audio data

#163
20160173979
2016-06-16

System and method for decorrelating audio data

#164
20160173978
2016-06-16

Audio signal processing method and apparatus and differential beamforming method and apparatus

#165
20160171988
2016-06-16

DELAY ESTIMATION FOR ECHO CANCELLATION USING ULTRASONIC MARKERS

#166
20160171987
2016-06-16

SYSTEM AND METHOD FOR COMPRESSED AUDIO ENHANCEMENT

#167
20160171985
2016-06-16

System and method for dynamic equalization of audio data

#168
20160171968
2016-06-16

System and method for artifact masking

#169
20160163327
2016-06-09

Automatic timbre control

#170
20160155434
2016-06-02

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

#171
20160127535
2016-05-05

System and method of double talk detection with acoustic echo and noise control

#172
20160086617
2016-03-24

System and method for addressing discontinuous transmission in a network device

#173
20160071524
2016-03-10

Audio Modification for Multimedia Reversal

#174
20160036402
2016-02-04

System and method for digital signal processing in deep diving environment

#175
20160019905
2016-01-21

Speech processing system for enhancing speech to be outputted in a noisy environment

#176
20160019904
2016-01-21

Adaptive vehicle state-based hands-free phone noise reduction with learning capability

#177
20150371653
2015-12-24

System and method for speech enhancement on compressed speech

#178
20150340049
2015-11-26

Acoustic echo cancellation (AEC) for a close-coupled speaker and microphone system

#179
20150333717
2015-11-19

Methods and apparatus for processing audio signals

#180
20150327035
2015-11-12

FAR-END CONTEXT DEPENDENT PRE-PROCESSING

#181
20150302863
2015-10-22

Method and system for processing audio data of video content

#182
20150294675
2015-10-15

Audio signal processing

#183
20150243300
2015-08-27

Voice activity detector for audio signals

#184
20150199977
2015-07-16

Hearing aid and a method for improving speech intelligibility of an audio signal

#185
20150142424
2015-05-21

Enhancement of multichannel audio

#186
20150120307
2015-04-30

Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program

#187
20150073787
2015-03-12

Voice filtering method, apparatus and electronic equipment

#188
20150012266
2015-01-08

Talker collisions in an auditory scene

#189
20150010156
2015-01-08

Speech intelligibility detection

#190
20140278396
2014-09-18

ACOUSTIC SIGNAL MODIFICATION

#191
20140249808
2014-09-04

Methods and arrangements in a telecommunications network

#192
20140112496
2014-04-24

MICROPHONE PLACEMENT FOR NOISE CANCELLATION IN VEHICLES

#193
20130339025
2013-12-19

Social network with enhanced audio communications for the hearing impaired

#194
20130304459
2013-11-14

Methods and apparatus for processing audio signals

#195
20130218560
2013-08-22

Method and apparatus for audio intelligibility enhancement and computing apparatus

#196
20130102362
2013-04-25

Mobile electronic device and sound control system

#197
20130003989
2013-01-03

Perception enhancement for low-frequency sound components

#198
20120310635
2012-12-06

Enhancement of multichannel audio

#199
20120265534
2012-10-18

Speech enhancement techniques on the power spectrum

#200
20120170769
2012-07-05

Adjusting the loudness of an audio signal with perceived spectral balance preservation

#201
20120123775
2012-05-17

Post-noise suppression processing to improve voice quality

#202
20120063615
2012-03-15

Equalization profiles for dynamic equalization of audio data

#203
20120063614
2012-03-15

Audio signal dynamic equalization processing control

#204
20120033770
2012-02-09

Method and apparatus for adjusting channel delay parameter of multi-channel signal

#205
20120022878
2012-01-26

Audio signal de-noising utilizing inter-frame correlation to restore missing spectral coefficients

#206
20120008809
2012-01-12

Pitch perception in an auditory prosthesis

#207
20110153321
2011-06-23

Systems and methods for identifying speech sound features

#208
20090307590
2009-12-10

Digital playback device and method and apparatus for spectrally modifying a digital audio signal

#209
20070118360
2007-05-24

In-situ voice reinforcement system

#210
15925241
2019-09-24

Audio signal processing for noise reduction

#211
15901176
2020-04-07

System and method for speech enhancement using dynamic noise profile estimation

#212
15823050
2018-10-30

Methods for suppressing residual echo

#213
15690696
2019-09-03

Apparatus, method, and computer readable medium for communicating between a user and a remote smartphone

#214
15605079
2020-01-14

Phone stand using a plurality of directional speakers

#215
15585458
2018-11-13

Methods for reconstructing an audio signal

#216
15471629
2020-03-24

Methods for voice enhancement

#217
15044495
2017-11-07

Synchronization of inbound and outbound audio in a heterogeneous echo cancellation system

#218
14853947
2016-07-26

Microphone signal fusion

#219
14794670
2016-12-06

Computationally efficient data rate mismatch compensation for telephony clocks

#220
13682362
2017-06-20

Multiple-stage adaptive filtering of audio signals