ClassID:

197496

G10L21/0332 - 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 by changing the amplitude; Details of processing therefor involving modification of waveforms

Recent Application in this class:
#1
20250316284
2025-10-09

VOICE FEATURE CALCULATION METHOD, VOICE FEATURE CALCULATION DEVICE, AND ORAL FUNCTION EVALUATION DEVICE

#2
20250201262
2025-06-19

Phrase Extraction for ASR Models

#3
20240221772
2024-07-04

Phrase extraction for ASR models

#4
20240221771
2024-07-04

METHOD FOR DYNAMICALLY ADJUSTING VIBRATION FEEDBACK WITH AUDIO, SYSTEM, AND DEVICE

#5
20230386498
2023-11-30

Pitch emphasis apparatus, method and program for the same

#6
20230306983
2023-09-28

Systems and methods for generating and/or implementing a modified audiogram

#7
20230178094
2023-06-08

Phrase extraction for ASR models

#8
20230143883
2023-05-11

Dynamic Control of Audio

#9
20220415341
2022-12-29

Pitch emphasis apparatus, method and program for the same

#10
20220399029
2022-12-15

Adaptive coefficients and samples elimination for circular convolution

#11
20220262357
2022-08-18

System and method for data augmentation and speech processing in dynamic acoustic environments

#12
20220215853
2022-07-07

Audio signal processing method, model training method, and related apparatus

#13
20220212020
2022-07-07

Variable sound system for audio devices

#14
20220139416
2022-05-05

Digital audio processing with even and odd harmonic component addition

#15
20210319802
2021-10-14

METHOD FOR PROCESSING SPEECH SIGNAL, ELECTRONIC DEVICE AND STORAGE MEDIUM

#16
20210151068
2021-05-20

Mixing apparatus, mixing method, and non-transitory computer-readable recording medium

#17
20210151067
2021-05-20

Mixing device, mixing method, and non-transitory computer-readable recording medium

#18
20210090587
2021-03-25

Pitch emphasis apparatus, method and program for the same

#19
20210085991
2021-03-25

Variable sound system for audio devices

#20
20200402497
2020-12-24

Systems and Methods for Speech Generation

#21
20200265861
2020-08-20

Digital audio processing device, digital audio processing method, and digital audio processing program

#22
20200009395
2020-01-09

Variable sound system for audio devices

#23
20190378532
2019-12-12

METHOD AND APPARATUS FOR DYNAMIC MODIFYING OF THE TIMBRE OF THE VOICE BY FREQUENCY SHIFT OF THE FORMANTS OF A SPECTRAL ENVELOPE

#24
20190362737
2019-11-28

MODIFYING VOICE DATA OF A CONVERSATION TO ACHIEVE A DESIRED OUTCOME

#25
20190348060
2019-11-14

APPARATUS AND METHOD FOR ENHANCING A WANTED COMPONENT IN A SIGNAL

#26
20190259373
2019-08-22

Information processing system and non-transitory computer readable medium storing program

#27
20190255342
2019-08-22

Variable sound system for audio devices

#28
20190096421
2019-03-28

FREQUENCY DOMAIN NOISE ATTENUATION UTILIZING TWO TRANSDUCERS

#29
20190037310
2019-01-31

Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects

#30
20180068647
2018-03-08

Auditory information security system

#31
20180012620
2018-01-11

Method, apparatus for eliminating popping sounds at the beginning of audio, and storage medium

#32
20170358316
2017-12-14

Noise detection and removal systems, and related methods

#33
20170274215
2017-09-28

Variable sound system for audio devices

#34
20170251320
2017-08-31

Apparatus and method of creating multilingual audio content based on stereo audio signal

#35
20170236525
2017-08-17

Digital audio processing apparatus, digital audio processing method, and digital audio processing program

#36
20170140774
2017-05-18

Signal processing device and signal processing method for interpolating a high band component of an audio signal

#37
20170090864
2017-03-30

Mediation of wakeword response for multiple devices

#38
20170047080
2017-02-16

Speech intelligibility improving apparatus and computer program therefor

#39
20170040027
2017-02-09

FREQUENCY DOMAIN NOISE ATTENUATION UTILIZING TWO TRANSDUCERS

#40
20160275960
2016-09-22

Voice enhancement method

#41
20160232919
2016-08-11

Estimation of noise characteristics

#42
20160217805
2016-07-28

VOICE SIGNAL PROCESSING APPARATUS AND VOICE SIGNAL PROCESSING METHOD

#43
20160217803
2016-07-28

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

#44
20160189725
2016-06-30

Voice processing method and apparatus, and recording medium therefor

#45
20160140978
2016-05-19

Customizable Local Media Mixing And Stream Selection In Group Communications

#46
20160057536
2016-02-25

Audio filtering with virtual sample rate increases

#47
20160057535
2016-02-25

Audio filtering with virtual sample rate increases

#48
20160055863
2016-02-25

Signal processing apparatus, signal processing method, signal processing program

#49
20160037252
2016-02-04

Audio filters utilizing sine functions

#50
20160019898
2016-01-21

Time domain level adjustment for audio signal decoding or encoding

#51
20160005420
2016-01-07

Voice emphasis device

#52
20150325250
2015-11-12

Method and apparatus for pre-processing speech to maintain speech intelligibility

#53
20150256140
2015-09-10

Variable sound system for medical devices

#54
20150098587
2015-04-09

Processing apparatus, processing method, program, computer readable information recording medium and processing system

#55
20140064496
2014-03-06

Binaural enhancement of tone language for hearing assistance devices

#56
20120226372
2012-09-06

Audio-signal correction apparatus, audio-signal correction method and audio-signal correction program

#57
20070237341
2007-10-11

Frequency domain noise attenuation utilizing two transducers

#58
16106907
2019-08-13

Method for increasing tone marker signal detection reliability, and system therefor

#59
15655913
2018-11-06

Method, device, and non-transitory computer readable storage medium for processing audio signal

#60
15585458
2018-11-13

Methods for reconstructing an audio signal

#61
15253142
2017-06-13

Signal clipping compensation

#62
14821059
2016-11-15

Method of processing sound track