ClassID:

197244

G10K2210/30232 - CPC Classification

Classification description:

Details of active noise control [ANC] covered by but not provided for in any of its subgroups; Means; Computational; Estimation of noise, e.g. on error signals Transfer functions, e.g. impulse response

Recent Application in this class:
#1
20250308500
2025-10-02

ACTIVE VIBRATION NOISE REDUCTION DEVICE

#2
20250191568
2025-06-12

ELECTRONIC DEVICE AND PARAMETER DETERMINING METHOD AND APPARATUS FOR ELECTRONIC DEVICE

#3
20250078798
2025-03-06

SYSTEM AND METHOD FOR ADJUSTING ACTIVE NOISE CANCELLATION TUNING PARAMETERS

#4
20240221714
2024-07-04

TRANSFER FUNCTION GENERATION SYSTEM AND METHOD

#5
20240144905
2024-05-02

System and method for secondary path switching for active noise cancellation

#6
20230335100
2023-10-19

Active noise control circuit with multiple filters connected in parallel fashion and associated method

#7
20230300516
2023-09-21

EAR-WEARABLE DEVICE WITH ACTIVE NOISE CANCELLATION SYSTEM THAT USES INTERNAL AND EXTERNAL MICROPHONES

#8
20230129022
2023-04-27

METHOD AND SYSTEM FOR REDUCING NOISE

#9
20220223132
2022-07-14

Global active noise control method for rotorcraft

#10
20220208168
2022-06-30

SOUND CANCELLATION USING MICROPHONE PROJECTION

#11
20210183352
2021-06-17

Acoustic transfer function personalization using sound scene analysis and beamforming

#12
20210049994
2021-02-18

Systems, apparatuses and methods for adaptive noise reduction

#13
20200327877
2020-10-15

Acoustic transfer function personalization using sound scene analysis and beamforming

#14
20190259368
2019-08-22

Systems, apparatuses and methods for adaptive noise reduction

#15
20190149939
2019-05-16

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

#16
20190088247
2019-03-21

Appartus and method for noise cancellation

#17
20190068790
2019-02-28

Systems and methods to disrupt phase cancellation effects when using headset devices

#18
20180151170
2018-05-31

Combined active noise cancellation and noise compensation in headphone

#19
20180061434
2018-03-01

Sound processing device and non-transitory computer-readable storage medium

#20
20180025717
2018-01-25

Estimating secondary path magnitude in active noise control

#21
20170337917
2017-11-23

Systems and methods of active noise reduction in headphones

#22
20170294182
2017-10-12

System and method for actively influencing sound

#23
20170294181
2017-10-12

System and method for actively influencing sound

#24
20170213540
2017-07-27

Combined active noise cancellation and noise compensation in headphone

#25
20170200444
2017-07-13

Systems and methods of active noise reduction in headphones

#26
20170140746
2017-05-18

Control circuit for active noise control and method for active noise control

#27
20170077906
2017-03-16

Estimating secondary path phase in active noise control

#28
20170076709
2017-03-16

Estimating secondary path magnitude in active noise control

#29
20170025114
2017-01-26

Self-tuning transfer function for adaptive filtering

#30
20160232887
2016-08-11

Adaptive noise canceling architecture for a personal audio device

#31
20160165348
2016-06-09

Systems and methods for detection of load impedance of a transducer device coupled to an audio device

#32
20160155434
2016-06-02

VOICE ACTIVITY DETECTOR (VAD)-BASED MULTIPLE-MICROPHONE ACOUSTIC NOISE SUPPRESSION

#33
20150078572
2015-03-19

Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path

#34
20150078560
2015-03-19

Systems and methods for detection of load impedance of a transducer device coupled to an audio device

#35
20150078559
2015-03-19

Systems and methods for detection of load impedance of a transducer device coupled to an audio device

#36
20120308025
2012-12-06

Adaptive noise canceling architecture for a personal audio device

#37
20120059648
2012-03-08

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

#38
20110158419
2011-06-30

Adaptive digital noise canceller

#39
20110142247
2011-06-16

Method for adaptive control and equalization of electroacoustic channels

#40
20110123042
2011-05-26

Active vibration/noise control device

#41
20110002474
2011-01-06

Active Noise Reduction System Control

#42
20100027805
2010-02-04

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

#43
20090225998
2009-09-10

METHOD FOR DETERMINING A TRANSMISSION FUNCTION AND A DEVICE FOR CARRYING OUT SAID METHOD

#44
20080317256
2008-12-25

Method for Reproducing a Secondary Path in an Active Noise Reduction System

#45
20080144853
2008-06-19

Secondary path modeling for active noise control

#46
20070265736
2007-11-15

Noise estimating device and noise estimating method

#47
20060120537
2006-06-08

Noise suppressing multi-microphone headset

#48
20050207585
2005-09-22

Active noise tuning system

#49
17903813
2026-02-10

Feedforward and feedback headphone acoustic noise cancellation

#50
17023314
2022-06-07

Adaptive feedback processing for consistent headphone acoustic noise cancellation

#51
15001840
2018-06-12

Multichannel acoustic echo cancellation for wireless applications

#52
14688621
2018-11-20

Systems, apparatuses and methods for adaptive noise reduction