ClassID:

197498

G10L21/0356 - 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 for synchronising with other signals, e.g. video signals

Recent Application in this class:
#1
20260112386
2026-04-23

SELECTIVE AUDIO SIGNAL ENHANCEMENT BASED ON AUDIO AND VISUAL INFORMATION

#2
20240046949
2024-02-08

REAL-TIME AUDIO PROCESSING SYSTEM, REAL-TIME AUDIO PROCESSING PROGRAM, AND METHOD FOR TRAINING SPEECH ANALYSIS MODEL

#3
20230410780
2023-12-21

AUDIOVISUAL CONTENT RENDERING WITH DISPLAY ANIMATION SUGGESTIVE OF GEOLOCATION AT WHICH CONTENT WAS PREVIOUSLY RENDERED

#4
20220413795
2022-12-29

AUTONOMOUS MOBILE BODY, INFORMATION PROCESSING METHOD, PROGRAM, AND INFORMATION PROCESSING APPARATUS

#5
20220383893
2022-12-01

System and method for augmenting vehicle phone audio with background sounds

#6
20210406094
2021-12-30

Mixed reality complementary systems

#7
20210318850
2021-10-14

APPARATUS, SYSTEMS, AND METHODS FOR MICROPHONE GAIN CONTROL FOR ELECTRONIC USER DEVICES

#8
20210225391
2021-07-22

Systems and methods for processing audio based on changes in active speaker

#9
20210211207
2021-07-08

Method, system and storage medium for signal separation

#10
20210125626
2021-04-29

Method and Application for Synchronizing Audio Across a Plurality of Devices

#11
20210125595
2021-04-29

Audiovisual content rendering with display animation suggestive of geolocation at which content was previously rendered

#12
20200364918
2020-11-19

Facial recognition method for video conference and server using the method

#13
20200265862
2020-08-20

Audio file envelope based on RMS power in sequences of sub-windows

#14
20190320279
2019-10-17

Audio device

#15
20190207588
2019-07-04

Rate converter

#16
20190172462
2019-06-06

Audio analysis learning with video data

#17
20190103126
2019-04-04

MOBILE TERMINAL

#18
20190012599
2019-01-10

Multimodal machine learning for emotion metrics

#19
20180350384
2018-12-06

Method and system for eliminating an echo

#20
20180182366
2018-06-28

Continuous pitch-corrected vocal capture device cooperative with content server for backing track mix

#21
20180151164
2018-05-31

Continuous score-coded pitch correction

#22
20180144746
2018-05-24

Audio analysis learning using video data

#23
20180041196
2018-02-08

Rate convertor

#24
20180040348
2018-02-08

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

#25
20170358321
2017-12-14

Methods and systems for altering video clip objects

#26
20170352363
2017-12-07

Sound signal detector

#27
20170256271
2017-09-07

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

#28
20170133036
2017-05-11

Enhancement of audio captured by multiple microphones at unspecified positions

#29
20170092290
2017-03-30

Automatic calculation of gains for mixing narration into pre-recorded content

#30
20170004858
2017-01-05

Content-based audio playback speed controller

#31
20160203830
2016-07-14

Content aware audio ducking

#32
20160180861
2016-06-23

Electronic apparatus, control method, and computer program

#33
20160163330
2016-06-09

Electronic device and control method

#34
20160140983
2016-05-19

Rate convertor

#35
20160093314
2016-03-31

Audio communication system, audio communication method, audio communication purpose program, audio transmission terminal, and audio transmission terminal purpose program

#36
20160071503
2016-03-10

Continuous score-coded pitch correction

#37
20160037279
2016-02-04

Audio device

#38
20160005416
2016-01-07

Continuous pitch-corrected vocal capture device cooperative with content server for backing track mix

#39
20150235650
2015-08-20

Terminal device and communication system

#40
20150006180
2015-01-01

SOUND ENHANCEMENT FOR MOVIE THEATERS

#41
20140229837
2014-08-14

Information processing apparatus and information processing method

#42
20140195241
2014-07-10

Synchronizing the playing and displaying of digital content

#43
20130230189
2013-09-05

Audio processing apparatus

#44
20130144626
2013-06-06

RAP MUSIC GENERATION

#45
20120327301
2012-12-27

BROADCAST RECEIVER AND METHOD FOR ELIMINATING AUDIO SIGNAL NOISE

#46
20110144982
2011-06-16

Continuous score-coded pitch correction

#47
20110144981
2011-06-16

Continuous pitch-corrected vocal capture device cooperative with content server for backing track mix

#48
20110131041
2011-06-02

Systems and methods for synthesis of motion for animation of virtual heads/characters via voice processing in portable devices

#49
17960268
2025-07-08

Generative adversarial networks

#50
17364384
2025-04-22

Automatic signal composition for media conferences

#51
16419607
2020-01-07

Facial recognition method for video conference and server using the method

#52
15186993
2017-06-13

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

#53
14821059
2016-11-15

Method of processing sound track