ClassID:

197505

G10L21/043 - 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; Time compression or expansion by changing speed

Sub-classes:
Recent Application in this class:
#1
20260155154
2026-06-04

SYSTEMS AND METHODS FOR INTELLIGENT PLAYBACK

#2
20260037215
2026-02-05

AI-BASED DJ SYSTEM AND METHOD FOR DECOMPOSING, MIXING AND PLAYING OF AUDIO DATA

#3
20260018178
2026-01-15

SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD

#4
20260004798
2026-01-01

ADJUSTING SPEECH RATE FOR AN AUDIO INPUT

#5
20250384893
2025-12-18

DEVICE AND METHOD OF CONTROLLING AUDIO TIME STRETCHING FOR DETERMINING COMPRESSION RATE BASED ON CLUSTER

#6
20250381365
2025-12-18

DIGITAL SOUNDSCAPES FOR AUGMENTING PSYCHOTROPIC THERAPIES

#7
20250232783
2025-07-17

TIME-DOMAIN GAIN MODELING IN THE QMF DOMAIN

#8
20250226001
2025-07-10

ARTIFICIAL LATENCY FOR MODERATING VOICE COMMUNICATION

#9
20250131940
2025-04-24

MULTI-TIME-SCALE NEURAL AUDIO CODEC STREAMS

#10
20250069157
2025-02-27

Using Moderation by Proxy to Identify Abuse in Audio Streams

#11
20250061873
2025-02-20

CONSONANT LENGTH CHANGING DEVICE, ELECTRONIC MUSICAL INSTRUMENT, MUSICAL INSTRUMENT SYSTEM, METHOD, AND PROGRAM

#12
20250006216
2025-01-02

SYSTEMS AND METHODS FOR LOW-POWER FULLY DIGITAL RATE CONVERSION USING PRE- OR POST- JITTER NOISE REDUCTION

#13
20240422019
2024-12-19

METHOD, SYSTEM, AND COMPUTER READABLE STORAGE MEDIA FOR JOURNALIZING AN E-NOTARY

#14
20240386903
2024-11-21

SPEECH SPEED ADJUSTMENT METHOD AND APPARATUS, ELECTRONIC DEVICE, AND READABLE STORAGE MEDIUM

#15
20240304210
2024-09-12

Artificial latency for moderating voice communication

#16
20240304208
2024-09-12

AUDIO PLAYBACK AND CAPTIONING

#17
20240265933
2024-08-08

SYSTEMS AND METHODS FOR INTELLIGENT PLAYBACK

#18
20240153522
2024-05-09

AUDIO PLAYBACK METHOD, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM

#19
20240119947
2024-04-11

SOUND SIGNAL REFINEMENT METHOD, SOUND SIGNAL DECODE METHOD, APPARATUS THEREOF, PROGRAM, AND STORAGE MEDIUM

#20
20240099685
2024-03-28

DETECTION OF DISEASES AND VIRUSES BY ULTRASONIC FREQUENCY

#21
20240087596
2024-03-14

Artificial latency for moderating voice communication

#22
20240038271
2024-02-01

SYSTEM AND METHOD FOR GENERATING VIDEO IN TARGET LANGUAGE

#23
20240013010
2024-01-11

TRANSLATION COMMUNICATION DEVICE AND TRANSLATION COMMUNICATION METHOD THAT PERFORM VOICE TRANSLATION IN GROUP COMMUNICATION

#24
20230377585
2023-11-23

SOUND SIGNAL REFINEMENT METHOD, SOUND SIGNAL DECODE METHOD, APPARATUS THEREOF, PROGRAM, AND STORAGE MEDIUM

#25
20230351664
2023-11-02

METHOD FOR PROTECTING ANONYMITY FROM MEDIA-BASED INTERACTIONS

#26
20230133084
2023-05-04

Systems and methods for providing audio-file loop-playback functionality

#27
20230090810
2023-03-23

AUDIO SIGNAL PROCESSING METHOD, DEVICE AND STORAGE MEDIUM

#28
20230089356
2023-03-23

AI-BASED DJ SYSTEM AND METHOD FOR DECOMPOSING, MISING AND PLAYING OF AUDIO DATA

#29
20230075891
2023-03-09

Speech synthesis method and apparatus, and readable storage medium

#30
20230066854
2023-03-02

Computer implemented method, device and computer program product for setting a playback speed of media content comprising audio

#31
20220270632
2022-08-25

Systems and methods for intelligent playback

#32
20220269476
2022-08-25

Method and device for audio crossfades using decomposed signals

#33
20220165250
2022-05-26

Method for changing speed and pitch of speech and speech synthesis system

#34
20220137915
2022-05-05

Daydream-aware information recovery system

#35
20220068295
2022-03-03

Fast playback in media files with reduced impact to speech quality

#36
20220020389
2022-01-20

Audio data processing method, apparatus and device, and storage medium

#37
20210405958
2021-12-30

Systems and methods for generating a playback-information display during time compression or expansion of an audio signal

#38
20210304735
2021-09-30

Keyword detection method and related apparatus

#39
20210294567
2021-09-23

Transition functions of decomposed signals

#40
20210279029
2021-09-09

Systems and methods for displaying graphics about a control wheel's center

#41
20210240433
2021-08-05

INFORMATION PROCESSING APPARATUS AND NON-TRANSITORY COMPUTER READABLE MEDIUM

#42
20210166715
2021-06-03

ENCODED FEATURES AND RATE-BASED AUGMENTATION BASED SPEECH AUTHENTICATION

#43
20210048868
2021-02-18

Systems and methods for generating a visual color display of audio-file data

#44
20200341723
2020-10-29

Playback sound provision device

#45
20200111507
2020-04-09

Systems and methods for dynamic audio processing

#46
20200081686
2020-03-12

Playback sound provision device

#47
20200065056
2020-02-27

Intelligent exercise music synchronization

#48
20200057598
2020-02-20

Systems and methods for responding to electrical-power loss in a DJ media player

#49
20200043511
2020-02-06

Systems and methods for intelligent playback

#50
20200020350
2020-01-16

Systems and methods for musical tempo detection

#51
20190391785
2019-12-26

Systems and methods for generating a graphical representation of audio signal data during time compression or expansion

#52
20190074029
2019-03-07

VOICE DATA PROCESSING APPARATUS AND VOICE DATA PROCESSING METHOD FOR AVOIDING VOICE DELAY

#53
20190066712
2019-02-28

Apparatus and method for processing a multichannel audio signal

#54
20180376273
2018-12-27

SYSTEM AND METHOD FOR DETERMINING AUDIO CONTEXT IN AUGMENTED-REALITY APPLICATIONS

#55
20180350388
2018-12-06

Fast playback in media files with reduced impact to speech quality

#56
20180308518
2018-10-25

Systems and methods for dynamic audio processing

#57
20180301168
2018-10-18

Systems and Methods for Dynamic Audio Processing

#58
20180293047
2018-10-11

Playback sound provision device

#59
20180279063
2018-09-27

Scheduling playback of audio in a virtual acoustic space

#60
20180218748
2018-08-02

Automatic rate control for improved audio time scaling

#61
20180191912
2018-07-05

Selective conference digest

#62
20180158468
2018-06-07

Device and method for synchronizing speakers

#63
20180061437
2018-03-01

Techniques for decreasing echo and transmission periods for audio communication sessions

#64
20180040348
2018-02-08

Signal processing device, signal processing system, signal processing method, and program

#65
20170345444
2017-11-30

Communication apparatus mounted with speech speed conversion device

#66
20170309296
2017-10-26

Audio driven accelerated binge watch

#67
20170270947
2017-09-21

Method for playing data and apparatus and system thereof

#68
20170238026
2017-08-17

Determining a playback rate of media for a requester

#69
20170208415
2017-07-20

SYSTEM AND METHOD FOR DETERMINING AUDIO CONTEXT IN AUGMENTED-REALITY APPLICATIONS

#70
20170092292
2017-03-30

Automatic rate control based on user identities

#71
20170092291
2017-03-30

Automatic rate control for improved audio time scaling

#72
20170047082
2017-02-16

ELECTRONIC DEVICE AND OPERATION METHOD THEREOF

#73
20160336911
2016-11-17

Systems and methods for dynamic audio processing

#74
20160267901
2016-09-15

USER-MODIFIED SPEECH OUTPUT IN A VEHICLE

#75
20160259541
2016-09-08

Method and Apparatus to Prepare Listener-Interest-Filtered Works

#76
20160210982
2016-07-21

Method and Apparatus to Enhance Speech Understanding

#77
20160140983
2016-05-19

Rate convertor

#78
20160099006
2016-04-07

ELECTRONIC DEVICE, METHOD, AND COMPUTER PROGRAM PRODUCT

#79
20150350494
2015-12-03

System and method of improving audio time stretching using timeline

#80
20150243294
2015-08-27

Playback apparatus, setting apparatus, playback method, and program

#81
20150181190
2015-06-25

Method for accelerated restitution of audio content and associated device

#82
20150120310
2015-04-30

Method of treating an auditory disorder of a user by adding a compensation delay to input sound

#83
20150066493
2015-03-05

Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs

#84
20150066492
2015-03-05

Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs

#85
20150066491
2015-03-05

Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs

#86
20150066490
2015-03-05

Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs

#87
20150066489
2015-03-05

Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs

#88
20150066488
2015-03-05

Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs

#89
20150003628
2015-01-01

Near-end listening intelligibility enhancement

#90
20140310008
2014-10-16

Method of managing a jitter buffer, and jitter buffer using same

#91
20140297270
2014-10-02

Signal processing apparatus and signal processing method

#92
20140142947
2014-05-22

Sound rate modification

#93
20130325456
2013-12-05

Speech speed conversion factor determining device, speech speed conversion device, program, and storage medium

#94
20130253921
2013-09-26

Method and apparatus to prepare listener-interest-filtered works

#95
20130041490
2013-02-14

Systems and methods for dynamic audio processing

#96
20130013302
2013-01-10

AUDIO INPUT DEVICE

#97
20120324356
2012-12-20

User driven audio content navigation

#98
20120310653
2012-12-06

Signal processing apparatus, signal processing method, and program

#99
20120197634
2012-08-02

Voice correction device, voice correction method, and recording medium storing voice correction program

#100
20110320950
2011-12-29

User driven audio content navigation

#101
20110178795
2011-07-21

Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs

#102
20110153319
2011-06-23

Method and apparatus to prepare listener-interest-filtered works

#103
20080140414
2008-06-12

Method and apparatus to prepare listener-interest-filtered works

#104
20050033584
2005-02-10

Method and apparatus to prepare listener-interest-filtered works

#105
16569806
2021-01-19

Optimization for a call that waits in queue

#106
16193307
2020-12-29

System for shortening audio playback times

#107
15671090
2019-03-19

Digital watermarks adapted to compensate for time scaling, pitch shifting and mixing

#108
15246950
2017-10-03

Techniques for decreasing echo and transmission periods for audio communication sessions