ClassID:

231910

H04R1/265 - CPC Classification

Classification description:

Details of transducers, loudspeakers or microphones; Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only; Spatial arrangements of separate transducers responsive to two or more frequency ranges of microphones

Recent Application in this class:
#1
20250080892
2025-03-06

AUDIO SIGNAL PROCESSING METHOD, DEVICE, SYSTEM, AND STORAGE MEDIUM

#2
20250030975
2025-01-23

3D SOUND ANALYSIS SYSTEM

#3
20240381022
2024-11-14

MULTI-DIMENSIONAL ARRAY MICROPHONE

#4
20240080596
2024-03-07

REFRIGERATOR

#5
20230412969
2023-12-21

WORK SITUATION DETECTION DEVICE, COMPUTER-READABLE RECORDING MEDIUM THAT RECORDS PROGRAM, AND WORK SITUATION DETECTION METHOD

#6
20230254620
2023-08-10

MICROPHONE DEVICE, AUDIO SIGNAL PROCESSING DEVICE, AND AUDIO SIGNAL PROCESSING METHOD

#7
20230114777
2023-04-13

Filter generation device and filter generation method

#8
20230055257
2023-02-23

Sound capture for mobile devices

#9
20220369013
2022-11-17

Method and apparatus for balancing detection sensitivity in producing a differential signal

#10
20220312107
2022-09-29

Signal converter

#11
20220167085
2022-05-26

Audio processing device having microphones arranged with different spacing and diameters

#12
20220103921
2022-03-31

Systems and methods for on ear detection of headsets

#13
20210399754
2021-12-23

Smart speaker

#14
20210274293
2021-09-02

Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management

#15
20210211806
2021-07-08

Sound capture for mobile devices

#16
20210195307
2021-06-24

Systems and methods for on ear detection of headsets

#17
20210168496
2021-06-03

Vehicle, apparatus, method and computer program for sharing sound data

#18
20210058695
2021-02-25

BONE CONDUCTION AUDIO DEVICE

#19
20200084553
2020-03-12

Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management

#20
20190149913
2019-05-16

Asymmetric microphone array for speaker system

#21
20190132672
2019-05-02

Asymmetric microphone array for speaker system

#22
20190069097
2019-02-28

Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management

#23
20180350391
2018-12-06

Audio processing for vehicle sensory systems

#24
20180324530
2018-11-08

Piezoelectric contact microphone with mechanical interface

#25
20180247635
2018-08-30

Sound collecting apparatus, sound collection method, recording medium recording program, and imaging apparatus

#26
20180213326
2018-07-26

Methods, apparatuses and computer program products for facilitating directional audio capture with multiple microphones

#27
20180115855
2018-04-26

Method and system for acoustic source enhancement using acoustic sensor array

#28
20180063652
2018-03-01

Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management

#29
20180020285
2018-01-18

System and method for assessing speaker spatial orientation

#30
20180018975
2018-01-18

System and method for identifying speech prosody

#31
20170142515
2017-05-18

Systems and methods for monitoring and classifying marine animals based on acoustic signals

#32
20170041707
2017-02-09

Retaining binaural cues when mixing microphone signals

#33
20160088392
2016-03-24

Methods, apparatuses and computer program products for facilitating directional audio capture with multiple microphones

#34
20140003640
2014-01-02

Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management

#35
20120063628
2012-03-15

Sound reproduction systems and method for arranging transducers therein

#36
20090097681
2009-04-16

Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management

#37
15813162
2018-08-21

Wireless microphone receiver and method in the wireless microphone receiver