ClassID:

197523

G10L25/09 - CPC Classification

Classification description:

Speech or voice analysis techniques not restricted to a single one of groups - characterised by the type of extracted parameters the extracted parameters being zero crossing rates

Recent Application in this class:
#1
20260065924
2026-03-05

HEART SOUND SIGNAL QUALITY ASSESSMENT METHOD, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM

#2
20260031095
2026-01-29

LOW-COMPLEXITY MAXIMUM NORMALIZED AUTOCORRELATION ESTIMATION OF AUDIO SIGNALS

#3
20250342853
2025-11-06

Short-cycle frequency detector

#4
20250299680
2025-09-25

IDENTIFYING DEEPFAKE AUDIO USING BREATH DETECTION AND MEASUREMENT

#5
20250174246
2025-05-29

VOICE DETECTION METHOD, VOICE DETECTION DEVICE, AND COMPUTER DEVICE

#6
20240404547
2024-12-05

SOUND SOURCE DETERMINING METHOD AND SYSTEM, ELECTRONIC DEVICE AND READABLE STORAGE MEDIUM

#7
20240194200
2024-06-13

SYSTEM AND METHOD FOR CHANGE POINT DETECTION IN MULTI-MEDIA MULTI-PERSON INTERACTIONS

#8
20240013803
2024-01-11

METHOD ENABLING THE DETECTION OF THE SPEECH SIGNAL ACTIVITY REGIONS

#9
20230360666
2023-11-09

VOICE SIGNAL DETECTION METHOD, TERMINAL DEVICE AND STORAGE MEDIUM

#10
20230197099
2023-06-22

Speech Identification and Extraction from Noise Using Extended High Frequency Information

#11
20220270593
2022-08-25

Voice activity detection with low-power accelerometer

#12
20220215829
2022-07-07

Time-based frequency tuning of analog-to-information feature extraction

#13
20220130410
2022-04-28

Voice activity detection using zero crossing detection

#14
20220122584
2022-04-21

PARALINGUISTIC INFORMATION ESTIMATION MODEL LEARNING APPARATUS, PARALINGUISTIC INFORMATION ESTIMATION APPARATUS, AND PROGRAM

#15
20210035596
2021-02-04

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

#16
20200133625
2020-04-30

Methods and system for cue detection from audio input, low-power data processing and related arrangements

#17
20190325900
2019-10-24

Methods and apparatus for low cost voice activity detector

#18
20190318720
2019-10-17

Time-based frequency tuning of analog-to-information feature extraction

#19
20190096430
2019-03-28

Method and apparatus for frame loss concealment in transform domain

#20
20190043477
2019-02-07

Method and system of temporal-domain feature extraction for automatic speech recognition

#21
20190035431
2019-01-31

Apparatus, systems, and methods for integrating digital media content

#22
20180293998
2018-10-11

Methods and apparatus for low cost voice activity detector

#23
20180286422
2018-10-04

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

#24
20180247662
2018-08-30

Voice detection method and apparatus, and storage medium

#25
20180246696
2018-08-30

Methods and system for cue detection from audio input, low-power data processing and related arrangements

#26
20180240448
2018-08-23

Musical sound evaluation device, evaluation criteria generating device, method for evaluating the musical sound and method for generating the evaluation criteria

#27
20180226087
2018-08-09

Voice signal processing apparatus and voice signal processing method

#28
20180204592
2018-07-19

Digital content reproduction control signal, phonograph record recording control signal, digital content reproduction system, digital content reproduction control system, digital content reproduction control device, digital content reproduction method, and digital content reproduction program

#29
20180190283
2018-07-05

In-vehicle voice command recognition method and apparatus, and storage medium

#30
20180047400
2018-02-15

Method, terminal, system for audio encoding/decoding/codec

#31
20180033442
2018-02-01

AUDIO CODEC SYSTEM AND AUDIO CODEC METHOD

#32
20180025732
2018-01-25

Audio classifier that includes analog signal voice activity detection and digital signal voice activity detection

#33
20170294193
2017-10-12

DETERMINING WHEN A SUBJECT IS SPEAKING BY ANALYZING A RESPIRATORY SIGNAL OBTAINED FROM A VIDEO

#34
20170212721
2017-07-27

Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system

#35
20170169812
2017-06-15

Providing intelligent transcriptions of sound messages in a messaging application

#36
20170117001
2017-04-27

Pitch marking in speech processing

#37
20170116980
2017-04-27

Time-based frequency tuning of analog-to-information feature extraction

#38
20170084292
2017-03-23

Electronic device and method capable of voice recognition

#39
20160379667
2016-12-29

Robust feature extraction using differential zero-crossing counts

#40
20160379627
2016-12-29

Method and apparatus for exemplary segment classification

#41
20160378427
2016-12-29

Methods and system for cue detection from audio input, low-power data processing and related arrangements

#42
20160351197
2016-12-01

User programmable voice command recognition based on sparse features

#43
20160307582
2016-10-20

System and method to provide classification of noise data of human crowd

#44
20160217787
2016-07-28

Speech recognition apparatus and speech recognition method

#45
20160027430
2016-01-28

Method for forming the excitation signal for a glottal pulse model based parametric speech synthesis system

#46
20160014187
2016-01-14

Quality-of-experience measurement for voice services

#47
20160012807
2016-01-14

Audio matching with supplemental semantic audio recognition and report generation

#48
20150371660
2015-12-24

Voice data playback speed conversion method and voice data playback speed conversion device

#49
20150371646
2015-12-24

Time-Varying Filters for Generating Decorrelation Signals

#50
20150127356
2015-05-07

Method, terminal, system for audio encoding/decoding/codec

#51
20150066495
2015-03-05

Comparing differential ZC count to database to detect expected sound

#52
20140169581
2014-06-19

Audio signal processing device, imaging device, audio signal processing method, program, and recording medium

#53
20140108007
2014-04-17

Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless

#54
20130132076
2013-05-23

Smart rejecter for keyboard click noise

#55
20130051271
2013-02-28

Quality-of-experience measurement for voice services

#56
20120330650
2012-12-27

Methods, systems, and computer readable media for fricatives and high frequencies detection

#57
20120278068
2012-11-01

Voice activity decision base on zero crossing rate and spectral sub-band energy

#58
20120065966
2012-03-15

Voice activity decision base on zero crossing rate and spectral sub-band energy

#59
20120046944
2012-02-23

Environment recognition of audio input

#60
20120020495
2012-01-26

Audio signal processing apparatus, audio signal processing method, and program

#61
20110140770
2011-06-16

Acoustic characteristic control apparatus

#62
20110088098
2011-04-14

ELECTRONIC DEVICE AND COPYRIGHT PROTECTION METHOD OF AUDIO DATA THEREOF

#63
20100268533
2010-10-21

Apparatus and method for detecting speech

#64
20080154585
2008-06-26

Sound signal processing apparatus and program

#65
20070118364
2007-05-24

SYSTEM FOR GENERATING CLOSED CAPTIONS

#66
20060107824
2006-05-25

Storage medium storing breath blowing determining program, breath blowing determining apparatus, breath blowing determining method, storage medium storing game program, game apparatus, and game control method

#67
15889970
2019-11-26

Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless

#68
15392134
2017-11-28

Bodily function sound anonymization

#69
15260220
2020-01-14

Voice activity detection using air conduction and bone conduction microphones