ClassID:

197471

G10L21/007 - 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; Changing voice quality, e.g. pitch or formants characterised by the process used

Sub-classes:
Recent Application in this class:
#1
20260128051
2026-05-07

SYSTEM AND METHOD FOR AUTOMATIC ALIGNMENT OF PHONETIC CONTENT FOR REAL-TIME ACCENT CONVERSION

#2
20260097308
2026-04-09

LIVE VOICE SYNTHETIZATION

#3
20260057895
2026-02-26

Machine Learning for Microphone Style Transfer

#4
20260045266
2026-02-12

VOICE PARAMETER DETERMINATION METHODS, SYSTEM AND DEVICE

#5
20260010739
2026-01-08

METHODS AND SYSTEMS FOR REAL-TIME TRANSLATION

#6
20250356869
2025-11-20

METHOD AND APPARATUS FOR TIMBRE CONVERSION, ELECTRONIC DEVICE, AND PRODUCT

#7
20250349308
2025-11-13

SPEECH ENHANCEMENT DEVICE AND METHOD

#8
20250336406
2025-10-30

SYSTEMS AND METHODS FOR ENCODING DATA ASSOCIATED WITH VOICE OBFUSCATION

#9
20250308542
2025-10-02

DISTRIBUTABLE AI VOICE UPSCALING

#10
20250308514
2025-10-02

Method for training a speech enhancement neural network, speech enhancement neural network and hearing device therewith

#11
20250285631
2025-09-11

AUDIO PROCESSING METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM

#12
20250273231
2025-08-28

PERSONALIZING A SPEECH ENHANCEMENT NEURAL NETWORK USING SAMPLES OF A TARGET SPEAKER'S CLONED VOICE

#13
20250273203
2025-08-28

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM

#14
20250149051
2025-05-08

VOICE PROCESSING METHODS, APPARATUSES, COMPUTER DEVICES, AND COMPUTER-READABLE STORAGE MEDIA

#15
20250124171
2025-04-17

SECURE REAL TIME VOICE ANONYMIZATION AND RECOVERY

#16
20250095847
2025-03-20

MONITORING SYSTEM FOR MONITORING A PATIENT AND METHOD FOR OPERATING THE MONITORING SYSTEM

#17
20250061908
2025-02-20

METHOD FOR MODEL TRAINING AND TONE CONVERSION, DEVICE, AND MEDIUM

#18
20250030685
2025-01-23

METHODS AND APPARATUS FOR VOICE TRANSFORMATION, AUTHENTICATION, AND METADATA COMMUNICATION

#19
20250029622
2025-01-23

SYSTEM AND METHOD FOR AUTOMATIC ALIGNMENT OF PHONETIC CONTENT FOR REAL-TIME ACCENT CONVERSION

#20
20250006212
2025-01-02

METHOD AND APPARATUS FOR TRAINING SPEECH CONVERSION MODEL, DEVICE, AND MEDIUM

#21
20240371385
2024-11-07

VOICE PARAMETER DETERMINATION METHODS, SYSTEM AND DEVICE

#22
20240347070
2024-10-17

System and method for automatic alignment of phonetic content for real-time accent conversion

#23
20240339122
2024-10-10

SYSTEMS AND METHODS FOR ANY TO ANY VOICE CONVERSION

#24
20240339121
2024-10-10

Voice Avatars in Extended Reality Environments

#25
20240331688
2024-10-03

CHANGE OF DIGITAL ASSISTANT VOICE FREQUENCY BASED ON MATCHING FREQUENCY FROM ENVIRONMENT

#26
20240321286
2024-09-26

Systems and Methods for Audio Preparation and Delivery

#27
20240304200
2024-09-12

MACHINE-LEARNING-BASED SPEECH PRODUCTION CORRECTION

#28
20240298123
2024-09-05

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

#29
20240289491
2024-08-29

METHOD AND APPARATUS FOR AUTOMATIC SPEECH RECOGNITION

#30
20240274145
2024-08-15

POST FILTER FOR AUDIO SIGNALS

#31
20240267682
2024-08-08

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

#32
20240256706
2024-08-01

VOICE PRIVACY FOR FAR-FIELD VOICE CONTROL DEVICES THAT USE REMOTE VOICE SERVICES

#33
20240249712
2024-07-25

METHOD FOR TRAINING VOICE CONVERSION MODEL, ELECTRONIC DEVICE, AND STORAGE MEDIUM

#34
20240212704
2024-06-27

Audio compensation with sound effect characteristic curve to adjust abnormal frequency points

#35
20240161764
2024-05-16

ACCENT PERSONALIZATION FOR SPEAKERS AND LISTENERS

#36
20240144945
2024-05-02

SIGNAL PROCESSING APPARATUS AND METHOD, TRAINING APPARATUS AND METHOD, AND PROGRAM

#37
20240135945
2024-04-25

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM

#38
20240119956
2024-04-11

METHOD AND SYSTEM FOR PERFORMING DATA AUGMENTATION BASED ON MODIFIED SURROGATES, AND, NON-TRANSITORY COMPUTER READABLE MEDIUM

#39
20240098218
2024-03-21

ACCENT CONVERSION FOR VIRTUAL CONFERENCES

#40
20230395087
2023-12-07

Machine Learning for Microphone Style Transfer

#41
20230386489
2023-11-30

AUDIO SIGNAL CONVERSION MODEL LEARNING APPARATUS, AUDIO SIGNAL CONVERSION APPARATUS, AUDIO SIGNAL CONVERSION MODEL LEARNING METHOD AND PROGRAM

#42
20230343349
2023-10-26

DIGITAL AUDIO EMOTIONAL RESPONSE FILTER

#43
20230306979
2023-09-28

VOICE PROCESSING METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER READABLE MEDIUM

#44
20230290365
2023-09-14

Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band

#45
20230282222
2023-09-07

Post filter for audio signals

#46
20230267941
2023-08-24

Personalized Accent and/or Pace of Speaking Modulation for Audio/Video Streams

#47
20230229803
2023-07-20

Sanitizing personally identifiable information (PII) in audio and visual data

#48
20230178065
2023-06-08

Evaluating screen content for accessibility

#49
20230169982
2023-06-01

Method, apparatus, and non-transitory computer readable medium for processing audio of virtual meeting room

#50
20230138232
2023-05-04

Conversion learning apparatus, conversion learning method, conversion learning program and conversion apparatus

#51
20230058447
2023-02-23

Improving speech recognition with speech synthesis-based model adapation

#52
20230056955
2023-02-23

Deep learning based method and system for processing sound quality characteristics

#53
20230031101
2023-02-02

Audio processing method, audio processing apparatus and computer storage medium

#54
20230009957
2023-01-12

VOICE TRANSLATION AND VIDEO MANIPULATION SYSTEM

#55
20220399029
2022-12-15

Adaptive coefficients and samples elimination for circular convolution

#56
20220270627
2022-08-25

Method and apparatus for voice recognition in mixed audio based on pitch features using network models, and storage medium

#57
20220215851
2022-07-07

DATA CONVERSION LEARNING DEVICE, DATA CONVERSION DEVICE, METHOD, AND PROGRAM

#58
20220157327
2022-05-19

Post filter for audio signals

#59
20220129582
2022-04-28

Data anonymization for data labeling and development purposes

#60
20220084533
2022-03-17

Adjustment method of sound output and electronic device performing the same

#61
20210264938
2021-08-26

Deep learning based method and system for processing sound quality characteristics

#62
20210264929
2021-08-26

Dynamic creation and insertion of content

#63
20210225383
2021-07-22

Signal processing apparatus, training apparatus, and method

#64
20210217430
2021-07-15

Deep learning-based audio equalization

#65
20210217429
2021-07-15

Method and device for transparent processing of music

#66
20210193158
2021-06-24

Device and method for controlling a speaker according to priority data

#67
20210186339
2021-06-24

Monitoring system for monitoring a patient and method for operating the monitoring system

#68
20210118460
2021-04-22

Voice conversion learning device, voice conversion device, method, and program

#69
20210081830
2021-03-18

Encoding machine-learning models and determining ownership of machine-learning models

#70
20210035592
2021-02-04

Post filter for audio signals

#71
20210005210
2021-01-07

Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band

#72
20200395028
2020-12-17

Audio conversion learning device, audio conversion device, method, and program

#73
20200394996
2020-12-17

Device for learning speech conversion, and device, method, and program for converting speech

#74
20200176010
2020-06-04

Avoiding speech collisions among participants during teleconferences

#75
20200122046
2020-04-23

Localized and standalone semi-randomized character conversations

#76
20200090393
2020-03-19

ROBOT AND METHOD FOR OPERATING THE SAME

#77
20190385589
2019-12-19

Speech processing device, teleconferencing device, speech processing system, and speech processing method

#78
20190214035
2019-07-11

Post filter for audio signals

#79
20190156843
2019-05-23

Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band

#80
20190156842
2019-05-23

Audio processor and method for processing an audio signal using horizontal phase correction

#81
20190108849
2019-04-11

Audio processor and method for processing an audio signal using vertical phase correction

#82
20190051314
2019-02-14

Voice quality conversion device, voice quality conversion method and program

#83
20190035431
2019-01-31

Apparatus, systems, and methods for integrating digital media content

#84
20180277132
2018-09-27

SYSTEMS AND METHODS FOR INCREASING LANGUAGE ACCESSABILITY OF MEDIA CONTENT

#85
20180211644
2018-07-26

Sound signal processing method and sound signal processing apparatus

#86
20180166074
2018-06-14

Facilitating creation and playback of user-recorded audio

#87
20180166070
2018-06-14

System and method for mobile automatic speech recognition

#88
20180151190
2018-05-31

Voice processing method, voice communication device and computer program product thereof

#89
20180137874
2018-05-17

Dynamic pitch adjustment of inbound audio to improve speech recognition

#90
20180122397
2018-05-03

Sound processing method and sound processing apparatus

#91
20180075838
2018-03-15

Method and system for using a vocal sample to customize text to speech applications

#92
20180061430
2018-03-01

System and method for auditing and filtering digital audio files

#93
20180047405
2018-02-15

Pitch filter for audio signals

#94
20180012613
2018-01-11

Phonetic posteriorgrams for many-to-one voice conversion

#95
20170221466
2017-08-03

Vocal processing with accompaniment music input

#96
20170206913
2017-07-20

Voice affect modification

#97
20170133005
2017-05-11

Method and apparatus for using a vocal sample to customize text to speech applications

#98
20170123755
2017-05-04

Wireless handheld audio capture device and multi-vocalist method for audiovisual media application

#99
20170110135
2017-04-20

Calculator and method for determining phase correction data for an audio signal

#100
20170110134
2017-04-20

Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal

#101
20170110133
2017-04-20

Audio processor and method for processing an audio signal using horizontal phase correction

#102
20170110132
2017-04-20

Audio processor and method for processing an audio signal using vertical phase correction

#103
20170047083
2017-02-16

Pitch information generation device, pitch information generation method, and computer-readable recording medium therefor

#104
20170047080
2017-02-16

Speech intelligibility improving apparatus and computer program therefor

#105
20160352895
2016-12-01

Electronic device for outputting message and method for controlling the same

#106
20160301807
2016-10-13

Audio capture and transmission device having sound attenuation

#107
20160240209
2016-08-18

Selective post filter

#108
20160225384
2016-08-04

Post filter

#109
20160225381
2016-08-04

Audio encoder and decoder with pitch prediction

#110
20160210980
2016-07-21

Pitch filter for audio signals

#111
20160196822
2016-07-07

System and method for mobile automatic speech recognition

#112
20160163326
2016-06-09

Pitch filter for audio signals

#113
20160147500
2016-05-26

Electronic device and method for analyzing and playing sound signal

#114
20160118057
2016-04-28

Selective bass post filter

#115
20150379975
2015-12-31

Musical modification effects

#116
20150340022
2015-11-26

Vocal processing with accompaniment music input

#117
20150332602
2015-11-19

Methods, systems, and devices for multi-user treatment for improvement of reading comprehension using frequency altered feedback

#118
20150302865
2015-10-22

System and method for audio conferencing

#119
20150289756
2015-10-15

Method for determining at least one relevant single image of a dental subject

#120
20150146877
2015-05-28

SYSTEM AND A METHOD FOR DETERMINING APPROXIMATE SET OF VISIBLE OBJECTS IN BEAM TRACING

#121
20150025892
2015-01-22

METHOD AND SYSTEM FOR TEMPLATE-BASED PERSONALIZED SINGING SYNTHESIS

#122
20140186807
2014-07-03

Methods, systems, and devices for multi-user improvement of reading comprehension using frequency altered feedback

#123
20130231164
2013-09-05

MOBILE WIRELESS COMMUNICATIONS DEVICE WITH VOICE ALTERATION AND RELATED METHODS

#124
20130124190
2013-05-16

SYSTEM AND METHODOLOGY THAT FACILITATES PROCESSING A LINGUISTIC INPUT

#125
20120253794
2012-10-04

Voice conversion method and system

#126
20120076323
2012-03-29

Device and method for manipulating an audio signal

#127
20120072212
2012-03-22

System and method for mobile automatic speech recognition

#128
20120065978
2012-03-15

Voice processing using conversion function based on respective statistics of a first and a second probability distribution

#129
20110029307
2011-02-03

System and method for mobile automatic speech recognition

#130
20100216511
2010-08-26

Mobile wireless communications device with voice alteration and related methods

#131
20090063156
2009-03-05

VOICE SYNTHESIS METHOD AND INTERPERSONAL COMMUNICATION METHOD, PARTICULARLY FOR MULTIPLAYER ONLINE GAMES

#132
20070233625
2007-10-04

Method, apparatus, mobile terminal and computer program product for providing data clustering and mode selection

#133
18798929
2025-02-11

Speech conversion method and apparatus, storage medium, and electronic device

#134
17851902
2025-06-24

Augmenting voice samples based on distributions of speaker classes

#135
17082266
2023-10-17

Generating speech in the voice of a player of a video game

#136
16056160
2021-10-12

Human auditory system modeling with masking energy adaptation

#137
15905437
2018-11-27

Real-time voice masking in a computer network

#138
15843930
2019-03-05

Secure audio acquisition system with limited frequency range for privacy

#139
15656993
2019-04-02

Voice conversion system and method with variance and spectrum compensation

#140
15409400
2018-04-17

Real-time voice masking in a computer network

#141
15213335
2018-08-07

Human auditory system modeling with masking energy adaptation

#142
14816919
2016-12-06

Artificial call degradation