ClassID:

197276

G10K2210/3055 - CPC Classification

Classification description:

Details of active noise control [ANC] covered by but not provided for in any of its subgroups; Means; Computational Transfer function of the acoustic system

Recent Application in this class:
#1
20250342814
2025-11-06

ACTIVE AERODYNAMIC NOISE CONTROL APPARATUS AND METHOD

#2
20250336386
2025-10-30

METHODS FOR ACOUSTIC FEEDBACK MANAGEMENT ON OPEN EAR HEARING DEVICES

#3
20250225970
2025-07-10

SIGNAL PROCESSING METHOD AND ACOUSTIC SYSTEM

#4
20250191568
2025-06-12

ELECTRONIC DEVICE AND PARAMETER DETERMINING METHOD AND APPARATUS FOR ELECTRONIC DEVICE

#5
20250191566
2025-06-12

METHOD AND APPARATUS FOR ROAD NOISE CANCELLATION

#6
20250087198
2025-03-13

VEHICLE ACTIVE NOISE CANCELLATION SYSTEM DIAGNOSTIC TOOL

#7
20250087196
2025-03-13

ACTIVE NOISE REDUCTION METHOD AND DEVICE FOR VEHICLE AND STORAGE MEDIUM

#8
20250078798
2025-03-06

SYSTEM AND METHOD FOR ADJUSTING ACTIVE NOISE CANCELLATION TUNING PARAMETERS

#9
20250069582
2025-02-27

APPARATUS, SYSTEM, AND METHOD OF ACTIVE ACOUSTIC CONTROL (AAC) IN A VEHICLE

#10
20250037692
2025-01-30

METHOD FOR ELIMINATING ROOM MODES, AND DIGITAL SIGNAL PROCESSOR AND LOUDSPEAKER THEREFOR

#11
20250014559
2025-01-09

AUDIO SIGNAL PROCESSING DEVICE AND REMOTE CONTROL SYSTEM

#12
20250006169
2025-01-02

OPEN WEARABLE ACOUSTIC DEVICE AND ACTIVE NOISE REDUCTION METHOD

#13
20250006168
2025-01-02

OCCLUSION AND NOISE CANCELLATION SYSTEMS AND METHODS FOR HEARING DEVICES

#14
20240428772
2024-12-26

APPARATUS, SYSTEM, AND METHOD OF NEURAL-NETWORK (NN) BASED ACTIVE ACOUSTIC CONTROL (AAC)

#15
20240371353
2024-11-07

Audio Limiter

#16
20240257796
2024-08-01

AUDIO PROCESSING METHOD FOR NOISE-REDUCTION EARPHONE, NOISE-REDUCTION EARPHONE, DEVICE AND READABLE STORAGE MEDIUM

#17
20240233701
2024-07-11

APPARATUS, SYSTEM AND/OR METHOD FOR ACOUSTIC ROAD NOISE PEAK FREQUENCY CANCELLATION

#18
20240221714
2024-07-04

TRANSFER FUNCTION GENERATION SYSTEM AND METHOD

#19
20240203391
2024-06-20

TOOLS AND METHODS FOR DESIGNING FILTERS FOR USE IN ACTIVE NOISE CANCELLING SYSTEMS

#20
20240177703
2024-05-30

APPARATUS, SYSTEM, AND METHOD OF ACTIVE ACOUSTIC CONTROL (AAC)

#21
20240161725
2024-05-16

Apparatus, system, and method of neural-network (NN) based active acoustic control (AAC)

#22
20240161724
2024-05-16

ACTIVE NOISE CONTROL DEVICE, ACTIVE NOISE CONTROL METHOD, AND NON-TRANSITORY TANGIBLE COMPUTER-READABLE STORAGE MEDIUM

#23
20240135911
2024-04-25

Apparatus, system and/or method for acoustic road noise peak frequency cancellation

#24
20240119920
2024-04-11

AUDIO PROCESSING METHOD, AUDIO PROCESSING APPARATUS AND DEVICE

#25
20240112665
2024-04-04

ACTIVE NOISE CONTROL CIRCUIT WITH MULTIPLE FILTERS CONNECTED IN PARALLEL FASHION AND ASSOCIATED METHOD

#26
20240112664
2024-04-04

HEADSET DEVICE WITH SPEAKERS, SIGNAL PROCESSING METHOD AND ANALYSIS SYSTEM THEREOF

#27
20240096308
2024-03-21

ACTIVE NOISE CANCELLATION METHOD AND ACTIVE NOISE CANCELLATION EARPHONES

#28
20240061921
2024-02-22

Methods, apparatus and systems for audio playback

#29
20240029701
2024-01-25

NOISE REDUCTION SYSTEM HAVING A NONLINEARITY FILTER UNIT, METHOD OF OPERATING THE SYSTEM AND USE OF THE SYSTEM

#30
20230410783
2023-12-21

ACTIVE NOISE CONTROL SYSTEM

#31
20230317050
2023-10-05

Active noise reduction system

#32
20230306948
2023-09-28

Active noise reduction system, active noise reduction method, and non-transitory computer-readable storage medium

#33
20230282194
2023-09-07

VEHICLE AND METHOD OF CONTROLLING THE SAME

#34
20230274723
2023-08-31

Communication support system

#35
20230169948
2023-06-01

SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING PROGRAM, AND SIGNAL PROCESSING METHOD

#36
20230169158
2023-06-01

Methods, apparatus and systems for audio playback

#37
20230131827
2023-04-27

Method for generating active noise reduction filter, storage medium and earphone

#38
20220335923
2022-10-20

SIGNAL PROCESSING APPARATUS, METHOD, AND SYSTEM

#39
20220324290
2022-10-13

Apparatus, system, and method of Active Acoustic Control (AAC)

#40
20220223132
2022-07-14

Global active noise control method for rotorcraft

#41
20220005451
2022-01-06

In-vehicle communication support system

#42
20210225351
2021-07-22

Noise control system

#43
20200380947
2020-12-03

ACTIVE NOISE CONTROL WITH FEEDBACK COMPENSATION

#44
20200007973
2020-01-02

System and method for configuring audio signals to compensate for acoustic changes of the ear

#45
20190279610
2019-09-12

Real-Time Audio Processing Of Ambient Sound

#46
20190259371
2019-08-22

Noise reduction device, mobile body device, and noise reduction method

#47
20190259369
2019-08-22

Real-time acoustic processor

#48
20190191236
2019-06-20

System and method for configuring audio signals to compensate for acoustic changes of the ear

#49
20190149939
2019-05-16

System for modelling acoustic transfer functions and reproducing three-dimensional sound

#50
20190139534
2019-05-09

Noise reduction device and noise reduction system

#51
20190136729
2019-05-09

Active noise cancelation systems and devices

#52
20190108827
2019-04-11

Control apparatus, control system, and control method

#53
20190096382
2019-03-28

Automatic noise control

#54
20190035380
2019-01-31

Silent zone generation

#55
20190019491
2019-01-17

Calibration and stabilization of an active noise cancelation system

#56
20180366099
2018-12-20

Multi-microphone feedforward active noise cancellation

#57
20180308469
2018-10-25

Active noise control device and error path characteristic model correction method

#58
20180261199
2018-09-13

Real-time acoustic processor

#59
20180240452
2018-08-23

Active noise control using variable step-size adaptation

#60
20180158445
2018-06-07

Active reduction of noise using synchronization signals

#61
20180151170
2018-05-31

Combined active noise cancellation and noise compensation in headphone

#62
20180094555
2018-04-05

Active noise cancelation systems and devices

#63
20180025717
2018-01-25

Estimating secondary path magnitude in active noise control

#64
20170336830
2017-11-23

Apparatus and method for processing audio signals

#65
20170330551
2017-11-16

Method and system for selecting sensor locations on a vehicle for active road noise control

#66
20170301336
2017-10-19

CALIBRATION AND STABILIZATION OF AN ACTIVE NOTICE CANCELATION SYSTEM

#67
20170287463
2017-10-05

Automatic noise control

#68
20170287462
2017-10-05

Automatic noise control

#69
20170276398
2017-09-28

Signal processing device, program, range hood device, and selection method for frequency bins in signal processing device

#70
20170268395
2017-09-21

Waste air exhausting device having functionality to abate noise and modulate noise frequency

#71
20170213540
2017-07-27

Combined active noise cancellation and noise compensation in headphone

#72
20170193981
2017-07-06

Sound reproduction with active noise control in a helmet

#73
20170178617
2017-06-22

Active noise control by adaptive noise filtering

#74
20170175602
2017-06-22

Active noise control system

#75
20170162185
2017-06-08

ANC convergence factor estimation as a function of frequency

#76
20170142532
2017-05-18

Double-talk detection for acoustic echo cancellation

#77
20170103745
2017-04-13

Real-time audio processing of ambient sound

#78
20170076709
2017-03-16

Estimating secondary path magnitude in active noise control

#79
20170053639
2017-02-23

Feedback adaptive noise cancellation (ANC) controller and method having a feedback response partially provided by a fixed-response filter

#80
20170053638
2017-02-23

Hybrid adaptive noise cancellation system with filtered error microphone signal

#81
20160379620
2016-12-29

SYSTEM AND METHOD OF MICROPHONE PLACEMENT FOR NOISE ATTENUATION

#82
20160372102
2016-12-22

Howling suppression method and device applied to an ANR earphone

#83
20160353196
2016-12-01

Real-time audio processing of ambient sound

#84
20160351183
2016-12-01

Providing ambient naturalness in ANR headphones

#85
20160329042
2016-11-10

Active noise reduction in headphones

#86
20160284337
2016-09-29

Active noise reduction system, and vehicular active noise reduction system

#87
20160232887
2016-08-11

Adaptive noise canceling architecture for a personal audio device

#88
20160210958
2016-07-21

Providing ambient naturalness in ANR headphones

#89
20160203813
2016-07-14

Acoustic device capable of producing active noise reduction

#90
20160196819
2016-07-07

System and method for adaptive active noise reduction

#91
20160099783
2016-04-07

Self-tuning transfer function for adaptive filtering

#92
20160093283
2016-03-31

Noise controller and noise control method for reducing noise from outside of space

#93
20160071508
2016-03-10

Adaptive noise control system with improved robustness

#94
20160035341
2016-02-04

System and method of microphone placement for noise attenuation

#95
20160007126
2016-01-07

Hearing aid and feedback canceller

#96
20150189434
2015-07-02

Coordinated gain control in adaptive noise cancellation (ANC) for earspeakers

#97
20150189433
2015-07-02

Instability detection and correction in sinusoidal active noise reduction systems

#98
20150104030
2015-04-16

Active-noise-reduction device, and active-noise-reduction system, mobile device and active-noise-reduction method which use same

#99
20150092953
2015-04-02

Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices

#100
20150086031
2015-03-26

Active noise-reduction apparatus and method

#101
20150063581
2015-03-05

Active noise reduction device and active noise reduction method

#102
20150055787
2015-02-26

Instability detection and correction in sinusoidal active noise reduction system

#103
20150010164
2015-01-08

Method of adjusting an active noise cancelling system

#104
20140341388
2014-11-20

Adaptive audio equalization for personal listening devices

#105
20140341387
2014-11-20

Providing ambient naturalness in ANR headphones

#106
20140307890
2014-10-16

Systems and methods for adaptive noise cancellation including secondary path estimate monitoring

#107
20140307887
2014-10-16

Systems and methods for hybrid adaptive noise cancellation

#108
20140270220
2014-09-18

Aircraft predictive active noise cancellation

#109
20140126734
2014-05-08

Providing ambient naturalness in ANR headphones

#110
20140126733
2014-05-08

User Interface for ANR Headphones with Active Hear-Through

#111
20140112490
2014-04-24

Method and an active device for treating noise on board a vehicle, and a vehicle provided with such a device

#112
20140105412
2014-04-17

User designed active noise cancellation (ANC) controller for headphones

#113
20140051483
2014-02-20

Closed loop control system for active noise reduction and method for active noise reduction

#114
20130329610
2013-12-12

Combined in-ear speaker and microphone for radio communication

#115
20130301849
2013-11-14

Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devices

#116
20130287219
2013-10-31

Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels

#117
20130166076
2013-06-27

Acoustic noise management through control of electrical device operations

#118
20130156213
2013-06-20

Virtual audio system tuning

#119
20130039507
2013-02-14

Electronic devices for controlling noise

#120
20120308025
2012-12-06

Adaptive noise canceling architecture for a personal audio device

#121
20120288112
2012-11-15

METHOD AND CONTROLLER FOR CONTROLLING NOISE OF ROTATING DEVICE

#122
20120207317
2012-08-16

Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices

#123
20110303784
2011-12-15

System and method for vibration control in a rotorcraft using an adaptive reference model algorithm

#124
20110235693
2011-09-29

Multi-channel active noise control system with channel equalization

#125
20110206214
2011-08-25

Active noise reduction system

#126
20110002476
2011-01-06

Ambient noise removal device

#127
20100215190
2010-08-26

Noise suppressing device, noise suppressing method, and recording medium

#128
20100166202
2010-07-01

Noise reduction device

#129
20100027805
2010-02-04

Transfer function estimating device, noise suppressing apparatus and transfer function estimating method

#130
20100027804
2010-02-04

Noise control device

#131
20090086988
2009-04-02

NOISE REDUCTION HEADSETS AND METHOD FOR PROVIDING THE SAME