ClassID:

197307

G10K2210/505 - CPC Classification

Classification description:

Details of active noise control [ANC] covered by but not provided for in any of its subgroups; Miscellaneous Echo cancellation, e.g. multipath-, ghost- or reverberation-cancellation

Recent Application in this class:
#1
20260128031
2026-05-07

METHODS AND SYSTEMS FOR AUDIO PROCESSING

#2
20260122420
2026-04-30

Beamforming/Cross Talk Removal/Echo Cancelation/Noise Reduction

#3
20260065889
2026-03-05

MICROPHONE SIGNAL PROCESSING

#4
20260038475
2026-02-05

MANIFOLD LEARNING FOR SOUND FIELD ESTIMATION

#5
20250392854
2025-12-25

ACTIVE ECHO CANCELLER FOR A HEARING DEVICE

#6
20250391395
2025-12-25

ECHO SUPPRESSING DEVICE, ECHO SUPPRESSING METHOD, AND ECHO SUPPRESSING PROGRAM

#7
20250378814
2025-12-11

DEREVERBERATION FOR AUDIO SIGNALS VIA MACHINE LEARNING AND/OR USER CONTROL

#8
20250356832
2025-11-20

Directionality Induced Robust Acoustic Echo Canceler Adaptation

#9
20250267218
2025-08-21

Multi-Channel Acoustic Echo Cancellation

#10
20250103272
2025-03-27

Calibrating Acoustic Instruments for a Physical Environment

#11
20250014560
2025-01-09

INTERFERENCE SOUND SUPPRESSING DEVICE, INTERFERENCE SOUND SUPPRESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM STORING INTERFERENCE SOUND SUPPRESSING PROGRAM

#12
20240379088
2024-11-14

ACOUSTIC ECHO CANCELLATION

#13
20240339100
2024-10-10

Delay Estimation for Performing Echo Cancellation for Co-Located Devices

#14
20240321254
2024-09-26

ACOUSTIC ECHO SUPPRESSION AND CANCELLATION FOR WEB-BASED VIRTUAL MEETING PLATFORM

#15
20240304171
2024-09-12

ECHO REFERENCE PRIORITIZATION AND SELECTION

#16
20240296822
2024-09-05

ECHO REFERENCE GENERATION AND ECHO REFERENCE METRIC ESTIMATION ACCORDING TO RENDERING INFORMATION

#17
20240203390
2024-06-20

Multi-channel acoustic echo cancellation

#18
20240127784
2024-04-18

ELECTRONIC DEVICE AND METHOD FOR DETECTING ERROR OF A SIGNAL

#19
20240021184
2024-01-18

Audio signal processing method and system for echo suppression using an MMSE-LSA estimator

#20
20230395088
2023-12-07

Robust short-time fourier transform acoustic echo cancellation during audio playback

#21
20230317049
2023-10-05

Active noise cancelling earbud devices

#22
20230274723
2023-08-31

Communication support system

#23
20230267910
2023-08-24

METHOD FOR REDUCING ECHO IN A HEARING INSTRUMENT AND HEARING INSTRUMENT

#24
20230245638
2023-08-03

SYSTEM AND METHOD FOR OPTIMIZATION OF ACOUSTIC ECHO CANCELLATION CONVERGENCE

#25
20230162718
2023-05-25

ECHO FILTERING METHOD, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM

#26
20230127040
2023-04-27

Multi-channel acoustic echo cancellation

#27
20220413367
2022-12-29

Method for eliminating video echo in a projector-camera based remote collaborative system

#28
20220406284
2022-12-22

Echo cancelation

#29
20220360895
2022-11-10

SYSTEM AND METHOD UTILIZING DISCRETE MICROPHONES AND VIRTUAL MICROPHONES TO SIMULTANEOUSLY PROVIDE IN-ROOM AMPLIFICATION AND REMOTE COMMUNICATION DURING A COLLABORATION SESSION

#30
20220360890
2022-11-10

Steerable speaker array, system and method for the same

#31
20220343888
2022-10-27

AUDIO DEVICE WITH ACOUSTIC ECHO CANCELLATION

#32
20220277721
2022-09-01

Multi-task deep network for echo path delay estimation and echo cancellation

#33
20220199067
2022-06-23

Echo detection with background noise based screening

#34
20220148559
2022-05-12

ACOUSTIC ECHO CANCELLATION UNIT

#35
20220044695
2022-02-10

Robust short-time fourier transform acoustic echo cancellation during audio playback

#36
20210210062
2021-07-08

Multi-channel acoustic echo cancellation

#37
20210104217
2021-04-08

Active noise cancelling earbud devices

#38
20200374624
2020-11-26

Steerable speaker array, system, and method for the same

#39
20200372891
2020-11-26

Mitigating impact of double talk for residual echo suppressors

#40
20200251121
2020-08-06

Voice communication device, voice communication method, and program

#41
20200251085
2020-08-06

Synchronized multichannel loopback within embedded architectures

#42
20200152167
2020-05-14

Predictive acoustic echo cancellation

#43
20200043507
2020-02-06

Robust Short-Time Fourier Transform acoustic echo cancellation during audio playback

#44
20200043460
2020-02-06

Multi-channel acoustic echo cancellation

#45
20190108828
2019-04-11

Noise cancellation device and noise cancellation method

#46
20190096419
2019-03-28

Robust short-time fourier transform acoustic echo cancellation during audio playback

#47
20190096384
2019-03-28

Multi-channel acoustic echo cancellation

#48
20170301339
2017-10-19

System and apparatus for boomless-microphone construction for wireless helmet communicator with siren signal detection and classification capability

#49
20170084265
2017-03-23

System and apparatus for boomless-microphone construction for wireless helmet communicator with siren signal detection and classification capability

#50
20170076710
2017-03-16

Electronic device, method of cancelling acoustic echo thereof, and non-transitory computer readable medium

#51
20160189700
2016-06-30

Method and apparatus for reducing distortion echo

#52
20160111078
2016-04-21

Apparatus, system and method of controlling noise within a noise-controlled volume

#53
20160055842
2016-02-25

Smart pillows and processes for providing active noise cancellation and biofeedback

#54
20160029124
2016-01-28

System and method for mitigating audio feedback

#55
20150371658
2015-12-24

Control of acoustic echo canceller adaptive filter for speech enhancement

#56
20150371657
2015-12-24

Energy adjustment of acoustic echo replica signal for speech enhancement

#57
20150341501
2015-11-26

Nonlinear echo suppression

#58
20150117658
2015-04-30

Particular signal cancel method, particular signal cancel device, adaptive filter coefficient update method, adaptive filter coefficient update device, and computer program

#59
20140198923
2014-07-17

Real time audio echo and background noise reduction for a mobile device

#60
20140105410
2014-04-17

Echo cancellation method and device

#61
20130301849
2013-11-14

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

#62
20130287218
2013-10-31

Leakage-modeling adaptive noise canceling for earspeakers

#63
20120288110
2012-11-15

Device, system and method of noise control

#64
20120250871
2012-10-04

Nonlinear echo suppression

#65
20110129096
2011-06-02

Method and system for reducing acoustical reverberations in an at least partially enclosed space

#66
20110116645
2011-05-19

Active noise control system and method

#67
20100223311
2010-09-02

Particular signal cancel method, particular signal cancel device, adaptive filter coefficient update method, adaptive filter coefficient update device, and computer program

#68
20060069556
2006-03-30

Method and system for active noise cancellation

#69
18476197
2025-10-14

Manifold learning for sound field estimation

#70
17707125
2023-08-15

Deep adaptive acoustic echo cancellation

#71
17007681
2023-11-28

Surface augmented ray-based acoustic modeling

#72
15149688
2018-08-28

Detecting device proximities

#73
15019129
2017-05-23

Multichannel acoustic echo cancellation

#74
15019108
2017-05-16

Hybrid reference signal for acoustic echo cancellation