ClassID:

197475

G10L21/02 - page 2 - 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

Recent Application in this class:
#301
20170148463
2017-05-25

Method and apparatus for enhancing alveolar trill

#302
20170140769
2017-05-18

Apparatus and method for processing an audio signal using a harmonic post-filter

#303
20170117002
2017-04-27

Real-time remodeling of user voice in an immersive visualization system

#304
20170116883
2017-04-27

Method and system for adjusting user speech in a communication session

#305
20170094555
2017-03-30

Cross mute for native radio channels

#306
20170092287
2017-03-30

Speech-processing apparatus and speech-processing method

#307
20170084282
2017-03-23

Method for processing speech/audio signal and apparatus

#308
20170078488
2017-03-16

Perceptual continuity using change blindness in conferencing

#309
20170061966
2017-03-02

Audio-visual speech recognition with scattering operators

#310
20170052758
2017-02-23

Detection of clipping event in audio signals

#311
20170032806
2017-02-02

Active noise cancellation apparatus and method for improving voice recognition performance

#312
20160372130
2016-12-22

Image-based techniques for audio content

#313
20160351203
2016-12-01

Method for preprocessing speech for digital audio quality improvement

#314
20160343390
2016-11-24

Method and device for voice activity detection

#315
20160329922
2016-11-10

Head protection device, communication unit, connection unit and system comprising head protection device, communication unit and connection unit

#316
20160322068
2016-11-03

Voice activity detector for audio signals

#317
20160314787
2016-10-27

Speech recognition apparatus and computer program product for speech recognition

#318
20160293179
2016-10-06

Extraction of reverberant sound using microphone arrays

#319
20160275960
2016-09-22

Voice enhancement method

#320
20160260439
2016-09-08

Voice analysis device and voice analysis system

#321
20160253995
2016-09-01

Environment adaptive speech recognition method and device

#322
20160249141
2016-08-25

System and method for improving hearing

#323
20160241346
2016-08-18

Source separation using nonnegative matrix factorization with an automatically determined number of bases

#324
20160240211
2016-08-18

Voice enhancement method for distributed system

#325
20160240190
2016-08-18

Apparatus and method for large vocabulary continuous speech recognition

#326
20160232906
2016-08-11

Determining features of harmonic signals

#327
20160227340
2016-08-04

Coding higher-order ambisonic audio data with motion stabilization

#328
20160216779
2016-07-28

System and method for context aware usability management of human machine interfaces

#329
20160210976
2016-07-21

Method for suppressing the late reverberation of an audio signal

#330
20160189729
2016-06-30

Apparatuses and methods for multi-channel signal compression during desired voice activity detection

#331
20160189725
2016-06-30

Voice processing method and apparatus, and recording medium therefor

#332
20160173995
2016-06-16

System and method for dynamic recovery of audio data

#333
20160173979
2016-06-16

System and method for decorrelating audio data

#334
20160173978
2016-06-16

Audio signal processing method and apparatus and differential beamforming method and apparatus

#335
20160171985
2016-06-16

System and method for dynamic equalization of audio data

#336
20160171968
2016-06-16

System and method for artifact masking

#337
20160171964
2016-06-16

Feedback cancelation for enhanced conversational communications in shared acoustic space

#338
20160157013
2016-06-02

Listen to people you recognize

#339
20160155457
2016-06-02

Method and arrangement for controlling smoothing of stationary background noise

#340
20160133245
2016-05-12

Sound processing method and terminal device

#341
20160125891
2016-05-05

ENVIRONMENT-BASED COMPLEXITY REDUCTION FOR AUDIO PROCESSING

#342
20160111111
2016-04-21

Systems, methods, and devices for intelligent speech recognition and processing

#343
20160078880
2016-03-17

Systems and methods for restoration of speech components

#344
20160078879
2016-03-17

Apparatuses and methods for audio classifying and processing

#345
20160065159
2016-03-03

Sound-effect setting method and electronic device

#346
20160057556
2016-02-25

Method and apparatus for enhancing directivity of a 1st order ambisonics signal

#347
20160042747
2016-02-11

Voice switching device, voice switching method, and non-transitory computer-readable recording medium having stored therein a program for switching between voices

#348
20160035370
2016-02-04

Formant dependent speech signal enhancement

#349
20160035366
2016-02-04

Echo suppression device and echo suppression method

#350
20160021477
2016-01-21

Method and apparatus for facilitating spatial audio capture with multiple devices

#351
20160012813
2016-01-14

System and method for acoustic management

#352
20160005422
2016-01-07

User environment aware acoustic noise reduction

#353
20150372654
2015-12-24

System and method for dynamically mixing audio signals

#354
20150371652
2015-12-24

Communication devices and methods for temporal analysis of voice calls

#355
20150358730
2015-12-10

Approach for partially preserving music in the presence of intelligible speech

#356
20150356968
2015-12-10

Systems and methods of interpreting speech data

#357
20150348561
2015-12-03

Effective attenuation of pre-echoes in a digital audio signal

#358
20150348546
2015-12-03

Audio processing apparatus and audio processing method

#359
20150340048
2015-11-26

VOICE PROCESSING DEVICE AND VOICE PROCESSSING METHOD

#360
20150340047
2015-11-26

Method of and apparatus for evaluating intelligibility of a degraded speech signal

#361
20150332699
2015-11-19

Method for predicting high frequency band signal, encoding device, and decoding device

#362
20150325249
2015-11-12

Reverse Hearing Aid [RHA]

#363
20150317996
2015-11-05

System and method of improving communication in a speech communication system

#364
20150310874
2015-10-29

Adaptive audio signal filtering

#365
20150310873
2015-10-29

System and method for improving sound quality of voice signal in voice communication

#366
20150302865
2015-10-22

System and method for audio conferencing

#367
20150302862
2015-10-22

Adaptive equalization system

#368
20150302849
2015-10-22

System and method for identifying special information

#369
20150288826
2015-10-08

Auto-tuning of non-linear processor threshold

#370
20150279385
2015-10-01

Apparatus and method for improving voice recognition

#371
20150269953
2015-09-24

AUDIO SIGNAL MANIPULATION FOR SPEECH ENHANCEMENT BEFORE SOUND REPRODUCTION

#372
20150256140
2015-09-10

Variable sound system for medical devices

#373
20150245133
2015-08-27

Listen to people you recognize

#374
20150243300
2015-08-27

Voice activity detector for audio signals

#375
20150243299
2015-08-27

Method and device for voice activity detection

#376
20150243296
2015-08-27

Effecting voice communication in a sound-restricted environment

#377
20150235649
2015-08-20

Method of simultaneously transforming a plurality of voice signals input to a communications system

#378
20150230026
2015-08-13

Conversation assistance system

#379
20150221319
2015-08-06

Methods and systems for selecting layers of encoded audio signals for teleconferencing

#380
20150213798
2015-07-30

Method and apparatus for evaluating voice quality

#381
20150208167
2015-07-23

Sound processing apparatus and sound processing method

#382
20150189431
2015-07-02

Method and device for reducing voice reverberation based on double microphones

#383
20150187367
2015-07-02

Adaptive speech filter for attenuation of ambient noise

#384
20150187365
2015-07-02

Formant based speech reconstruction from noisy signals

#385
20150179182
2015-06-25

Adaptive quantization noise filtering of decoded audio data

#386
20150172446
2015-06-18

System and method for context aware usability management of human machine interfaces

#387
20150170659
2015-06-18

Method and apparatus for enhancing the modulation index of speech sounds passed through a digital vocoder

#388
20150154977
2015-06-04

Detecting nonlinear amplitude processing

#389
20150154964
2015-06-04

Dual uplink pre-processing paths for machine and human listening

#390
20150142426
2015-05-21

Speech enhancement method and device for mobile phones

#391
20150142424
2015-05-21

Enhancement of multichannel audio

#392
20150140972
2015-05-21

Filtering an audio signal for a non-real-time recipient

#393
20150139428
2015-05-21

APPARATUS WITH A SPEAKER USED AS SECOND MICROPHONE

#394
20150127351
2015-05-07

Noise dependent signal processing for in-car communication systems with multiple acoustic zones

#395
20150124987
2015-05-07

Enhancement of reverberant speech by binary mask estimation

#396
20150124986
2015-05-07

Method and device for eliminating echoes

#397
20150120310
2015-04-30

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

#398
20150120293
2015-04-30

Method and system for adjusting user speech in a communication session

#399
20150120286
2015-04-30

Apparatus, process, and program for combining speech and audio data

#400
20150110313
2015-04-23

Method of controlling a hearing instrument

#401
20150100318
2015-04-09

SYSTEMS AND METHODS FOR MITIGATING SPEECH SIGNAL QUALITY DEGRADATION

#402
20150088518
2015-03-26

APPARATUS AND METHOD FOR MULTIPLE DEVICE VOICE CONTROL

#403
20150088497
2015-03-26

Speech processing apparatus, method, and program of reducing reverberation of speech signals

#404
20150081285
2015-03-19

Speech signal processing apparatus and method for enhancing speech intelligibility

#405
20150073812
2015-03-12

Server side crossfading for progressive download media

#406
20150030171
2015-01-29

Acoustic signal processing device and acoustic signal processing method

#407
20150025880
2015-01-22

Method for processing speech signals using an ensemble of speech enhancement procedures

#408
20150023514
2015-01-22

Method and apparatus for acoustic echo control

#409
20140379343
2014-12-25

METHOD, DEVICE, AND SYSTEM FOR AUDIO DATA PROCESSING

#410
20140365211
2014-12-11

Adaptive equalization system

#411
20140348333
2014-11-27

Off-axis audio suppression in an automobile cabin

#412
20140341383
2014-11-20

Noise reduction via tuned acoustic echo cancellation

#413
20140334641
2014-11-13

Spectral shaping for audio mixing

#414
20140303965
2014-10-09

Method for encoding voice signal, method for decoding voice signal, and apparatus using same

#415
20140293095
2014-10-02

Image capturing apparatus, signal processing apparatus and method

#416
20140288938
2014-09-25

Systems and methods for enhancing place-of-articulation features in frequency-lowered speech

#417
20140278397
2014-09-18

Speaker-identification-assisted uplink speech processing systems and methods

#418
20140278384
2014-09-18

Apparatuses and methods for acoustic channel auto-balancing during multi-channel signal extraction

#419
20140278383
2014-09-18

Apparatuses and methods for multi-channel signal compression during desired voice activity detection

#420
20140274212
2014-09-18

Method and apparatus for acoustically characterizing an environment in which an electronic device resides

#421
20140270721
2014-09-18

Upstream quality enhancement signal processing for resource constrained client devices

#422
20140270294
2014-09-18

Method of operating a hearing aid and a hearing aid

#423
20140270150
2014-09-18

Apparatus with dynamic audio signal pre-conditioning and methods therefor

#424
20140257809
2014-09-11

Sparse maximum a posteriori (map) adaption

#425
20140249809
2014-09-04

Audio signal noise attenuation

#426
20140249808
2014-09-04

Methods and arrangements in a telecommunications network

#427
20140244247
2014-08-28

Keyboard typing detection and suppression

#428
20140233723
2014-08-21

Method and system for sampling rate mismatch correction of transmitting and receiving terminals

#429
20140214426
2014-07-31

Improving voice communication over a network

#430
20140214403
2014-07-31

Improving voice communication over a network

#431
20140126728
2014-05-08

System and method for emitting and especially controlling an audio signal in an environment using an objective intelligibility measure

#432
20140100682
2014-04-10

System and method for digital signal processing

#433
20140093117
2014-04-03

Communication and speech enhancement system

#434
20140088978
2014-03-27

Method, apparatus, and medium for detecting frequency extension coding in the coding history of an audio signal

#435
20140086435
2014-03-27

Dynamic range control apparatus

#436
20140067386
2014-03-06

Method and system for noise reduction

#437
20140067383
2014-03-06

Adjustment apparatus and method

#438
20140064509
2014-03-06

Computer program product for adaptive audio signal shaping for improved playback in a noisy environment

#439
20140064508
2014-03-06

System for adaptive audio signal shaping for improved playback in a noisy environment

#440
20140064507
2014-03-06

Method for adaptive audio signal shaping for improved playback in a noisy environment

#441
20140046656
2014-02-13

Method and apparatus for automatic communications system intelligibility testing and optimization

#442
20130322655
2013-12-05

Method and device for microphone selection

#443
20130304461
2013-11-14

Method and an apparatus for voice quality enhancement (VQE) for detection of VQE in a receiving signal using a guassian mixture model

#444
20130297306
2013-11-07

Adaptive equalization system

#445
20130297302
2013-11-07

Systems and methods for voice enhancement in audio conference

#446
20130287216
2013-10-31

Estimation and suppression of harmonic loudspeaker nonlinearities

#447
20130279718
2013-10-24

Mixer with adaptive post-filtering

#448
20130273978
2013-10-17

Controlling audio signals

#449
20130246056
2013-09-19

Signal processing device, signal processing method and signal processing program

#450
20130238326
2013-09-12

APPARATUS AND METHOD FOR MULTIPLE DEVICE VOICE CONTROL

#451
20130231927
2013-09-05

Formant based speech reconstruction from noisy signals

#452
20130231924
2013-09-05

Format based speech reconstruction from noisy signals

#453
20130226568
2013-08-29

AUDIO SIGNALS BY ESTIMATIONS AND USE OF HUMAN VOICE ATTRIBUTES

#454
20130218570
2013-08-22

APPARATUS AND METHOD FOR CORRECTING SPEECH, AND NON-TRANSITORY COMPUTER READABLE MEDIUM THEREOF

#455
20130216047
2013-08-22

Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program

#456
20130211831
2013-08-15

Semiconductor device and voice communication device

#457
20130208905
2013-08-15

Temporal interpolation of adjacent spectra

#458
20130195302
2013-08-01

Hearing aid and a method of enhancing speech reproduction

#459
20130182868
2013-07-18

Temporal interpolation of adjacent spectra

#460
20130166299
2013-06-27

Voice analyzer

#461
20130166286
2013-06-27

Voice processing apparatus and voice processing method

#462
20130144617
2013-06-06

BACKGROUND NOISE CANCELLING DEVICE AND METHOD

#463
20130144615
2013-06-06

Method and apparatus for processing an audio signal based on an estimated loudness

#464
20130138434
2013-05-30

Noise suppression device

#465
20130136274
2013-05-30

Processing signals

#466
20130083936
2013-04-04

Processing audio signals

#467
20130073284
2013-03-21

Speech enhancement system and method

#468
20130030801
2013-01-31

Off-axis audio suppressions in an automobile cabin

#469
20130013303
2013-01-10

Processing audio signals during a communication event

#470
20130013302
2013-01-10

AUDIO INPUT DEVICE

#471
20130010975
2013-01-10

Method and system for split client-server reverberation processing

#472
20120330652
2012-12-27

Space-time noise reduction system for use in a vehicle and method of forming same

#473
20120310635
2012-12-06

Enhancement of multichannel audio

#474
20120269038
2012-10-25

System and method for reducing data reception error in acoustic communication in audible frequency range, and apparatus applied thereto

#475
20120263322
2012-10-18

Spectral shaping for audio mixing

#476
20120221328
2012-08-30

Enhancement of multichannel audio

#477
20120219160
2012-08-30

Variable noise masking during periods of substantial silence

#478
20120215532
2012-08-23

Hearing assistance system for providing consistent human speech

#479
20120201396
2012-08-09

Mono and multi-channel echo compensation from selective output

#480
20120197637
2012-08-02

Speech processing responsive to a determined active communication zone in a vehicle

#481
20120191447
2012-07-26

Method and apparatus for masking wind noise

#482
20120177220
2012-07-12

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

#483
20120173234
2012-07-05

Audio signal section estimating apparatus, audio signal section estimating method, and recording medium

#484
20120148059
2012-06-14

Controlling audio signals

#485
20120140938
2012-06-07

Apparatus and method for generating audio signal having sound enhancement effect

#486
20120140103
2012-06-07

Image pick-up and audio signal processing apparatus and method for controlling an image pick-up and audio signal processing apparatus

#487
20120136659
2012-05-31

APPARATUS AND METHOD FOR PREPROCESSING SPEECH SIGNALS

#488
20120128178
2012-05-24

Sound reproducing apparatus, sound reproducing method, and recording medium

#489
20120123769
2012-05-17

GAIN CONTROL APPARATUS AND GAIN CONTROL METHOD, AND VOICE OUTPUT APPARATUS

#490
20120121096
2012-05-17

Intelligibility control using ambient noise detection

#491
20120116774
2012-05-10

System for voice control of a medical implant

#492
20120116755
2012-05-10

APPARATUS FOR ENHANCING INTELLIGIBILITY OF SPEECH AND VOICE OUTPUT APPARATUS USING THE SAME

#493
20120114129
2012-05-10

Mixer with adaptive post-filtering

#494
20120101816
2012-04-26

Enhancing the intelligibility of received speech in a noisy environment

#495
20120095761
2012-04-19

Speech recognition system and speech recognizing method

#496
20120095759
2012-04-19

System for improving speech intelligibility through high frequency compression

#497
20120095580
2012-04-19

Method and device for clipping control

#498
20120076321
2012-03-29

Single Microphone for Noise Rejection and Noise Measurement

#499
20120063612
2012-03-15

Acoustic signal corrector and acoustic signal correcting method

#500
20120059648
2012-03-08

Voice activity detector (VAD)—based multiple-microphone acoustic noise suppression

#501
20120039478
2012-02-16

SOUND RECOGNITION DEVICE AND SOUND RECOGNITION METHOD

#502
20120016669
2012-01-19

Apparatus and method for voice processing and telephone apparatus

#503
20110301948
2011-12-08

Echo-related decisions on automatic gain control of uplink speech signal in a communications device

#504
20110280424
2011-11-17

System, method, program, and integrated circuit for hearing aid

#505
20110276323
2011-11-10

Speech-based speaker recognition systems and methods

#506
20110268301
2011-11-03

Hearing aid and a method of detecting and attenuating transients

#507
20110249845
2011-10-13

Stability improvements in hearing aids

#508
20110249827
2011-10-13

Systems and methods for improving the intelligibility of speech in a noisy environment

#509
20110246187
2011-10-06

SPEECH SIGNAL PROCESSING

#510
20110235813
2011-09-29

Adapted audio masking

#511
20110235812
2011-09-29

SOUND INFORMATION DETERMINING APPARATUS AND SOUND INFORMATION DETERMINING METHOD

#512
20110225439
2011-09-15

Signal correction apparatus equipped with correction function estimation unit

#513
20110211711
2011-09-01

Factor setting device and noise suppression apparatus

#514
20110206220
2011-08-25

ACOUSTIC SIGNAL CORRECTOR AND ACOUSTIC SIGNAL CORRECTING METHOD

#515
20110184732
2011-07-28

Signal presence detection using bi-directional communication data

#516
20110175676
2011-07-21

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

#517
20110164855
2011-07-07

Upstream quality enhancement signal processing for resource constrained client devices

#518
20110161078
2011-06-30

Pitch model for noise estimation

#519
20110137647
2011-06-09

Method and apparatus for enhancing voice signal in noisy environment

#520
20110137643
2011-06-09

Spectral smoothing device, encoding device, decoding device, communication terminal device, base station device, and spectral smoothing method

#521
20110135086
2011-06-09

Method and electronic device for improving communication quality based on ambient noise sensing

#522
20110125494
2011-05-26

Speech Intelligibility

#523
20110119061
2011-05-19

Method and system for dialog enhancement

#524
20110066429
2011-03-17

Voice activity detector based upon a detected change in energy levels between sub-frames and a method of operation

#525
20110051948
2011-03-03

Method of correcting errors in binary masks

#526
20110046955
2011-02-24

Apparatus, process, and program for combining speech and audio data

#527
20110022382
2011-01-27

Adaptive reduction of noise signals and background signals in a speech-processing system

#528
20110015922
2011-01-20

Speech Intelligibility Improvement Method and Apparatus

#529
20100313738
2010-12-16

Audio smoothing system, device, and method

#530
20100303249
2010-12-02

System and method of improving audio signals for the hearing impaired

#531
20100266152
2010-10-21

Method and acoustic signal processing device for estimating linear predictive coding coefficients

#532
20100262427
2010-10-14

Low complexity spectral band replication (SBR) filterbanks

#533
20100250242
2010-09-30

Method and apparatus for processing audio and speech signals

#534
20100246966
2010-09-30

Pattern recognition device, pattern recognition method and computer program product

#535
20100246844
2010-09-30

Method for determining a signal component for reducing noise in an input signal

#536
20100241427
2010-09-23

Limitation of distortion introduced by a post-processing step during digital signal decoding

#537
20100241426
2010-09-23

Method and system for noise reduction

#538
20100226491
2010-09-09

Noise cancellation for phone conversation

#539
20100198378
2010-08-05

Audio processing using auditory scene analysis and spectral skewness

#540
20100189274
2010-07-29

Device for and a method of processing audio signals

#541
20100183126
2010-07-22

In-band signaling in interactive communications

#542
20100179808
2010-07-15

Speech enhancement

#543
20100179616
2010-07-15

Outer hair cell stimulation model for the use by an intra-cochlear implant

#544
20100174535
2010-07-08

Filtering speech

#545
20100171662
2010-07-08

Adaptive array control device, method and program, and adaptive array processing device, method and program using the same

#546
20100158261
2010-06-24

Sound quality correction apparatus, sound quality correction method and program for sound quality correction

#547
20100150364
2010-06-17

Method for determining a time delay for time delay compensation

#548
20100145692
2010-06-10

METHODS AND ARRANGEMENTS IN A TELECOMMUNICATIONS NETWORK

#549
20100138220
2010-06-03

Computer-readable medium for recording audio signal processing estimating a selected frequency by comparison of voice and noise frame levels

#550
20100121635
2010-05-13

Enhancing the intelligibility of received speech in a noisy environment

#551
20100121634
2010-05-13

Speech enhancement in entertainment audio

#552
20100104112
2010-04-29

Variable noise masking during periods of substantial silence

#553
20100094619
2010-04-15

Audio frequency remapping

#554
20100088092
2010-04-08

Method and arrangement for controlling smoothing of stationary background noise

#555
20100082338
2010-04-01

Voice processing apparatus and voice processing method for changing accoustic feature quantity of received voice signal

#556
20100070283
2010-03-18

Voice emphasizing device and voice emphasizing method

#557
20100042237
2010-02-18

MOBILE COMMUNICATION DEVICE AND AUDIO SIGNAL ADJUSTING METHOD THEREOF

#558
20100030555
2010-02-04

Clipping detection device and method

#559
20100017205
2010-01-21

Systems, methods, apparatus, and computer program products for enhanced intelligibility

#560
20100010651
2010-01-14

Dynamic range control and equalization of digital audio using warped processing

#561
20100004934
2010-01-07

Speech separating apparatus, speech synthesizing apparatus, and voice quality conversion apparatus

#562
20090304203
2009-12-10

Method and device for binaural signal enhancement

#563
20090299748
2009-12-03

Multiple audio file processing method and system

#564
20090296961
2009-12-03

Sound quality control apparatus, sound quality control method, and sound quality control program

#565
20090296958
2009-12-03

Noise suppression method, device, and program

#566
20090287481
2009-11-19

Speech enhancement system

#567
20090271186
2009-10-29

Audio signal shaping for playback by audio devices

#568
20090234653
2009-09-17

Speech frame loss compensation using non-cyclic-pulse-suppressed version of previous frame excitation as synthesis filter source

#569
20090216529
2009-08-27

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Systems, methods and apparatus for context descriptor transmission

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Systems, methods, and apparatus for context suppression using receivers

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Systems, methods, and apparatus for context processing using multiple microphones

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Speech recognition with non-linear noise reduction on Mel-frequency cepstra

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Speech encoding apparatus and speech encoding method

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System and Method for Noise Activity Detection

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Conference apparatus

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Denoising acoustic signals using constrained non-negative matrix factorization

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Adaptive array control device, method and program, and adaptive array processing device, method and program

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Mixer with adaptive post-filtering

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Audio dosage control

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Adaptive array control device, method and program, and adaptive array processing device, method and program using the same

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Clipped-waveform repair in acoustic signals using generalized linear prediction

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METHOD OF ENHANCING SOUND FOR HEARING IMPAIRED INDIVIDUALS

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

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SIGNAL PRESENCE DETECTION USING BI-DIRECTIONAL COMMUNICATION DATA

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Communication system noise cancellation power signal calculation techniques

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SPEECH PROCESSOR AND COMMUNICATION TERMINAL DEVICE

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Methods, Systems and Devices for Speech Transduction

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Sound discrimination method and apparatus

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VOICE PERFORMANCE EVALUATION SYSTEM AND METHOD FOR LONG-DISTANCE VOICE RECOGNITION

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2008-12-11

Signal noise reduction

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2008-12-04

Audio signal dereverberation

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Crowd noise analysis

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Optimum nonlinear correntropy filter

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Automatic tuning of telephony devices

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Method, preprocessor, speech recognition system, and program product for extracting target speech by removing noise

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Reduction of digital filter delay

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Pitch model for noise estimation