ClassID:

232120

H04R2201/40 - CPC Classification

Classification description:

Details of transducers, loudspeakers or microphones covered by but not provided for in any of its subgroups Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by but not provided for in any of its subgroups

Sub-classes:
Recent Application in this class:
#1
20250234127
2025-07-17

ARRAY MICROPHONE SYSTEM AND METHOD OF ASSEMBLING THE SAME

#2
20240381025
2024-11-14

BEAMFORMING FOR A MICROPHONE ARRAY BASED ON A STEERED RESPONSE POWER TRANSFORMATION OF AUDIO DATA

#3
20240276142
2024-08-15

Spatial Audio Capture And Analysis With Depth

#4
20240244382
2024-07-18

Hearing aid and a method of operating a hearing aid

#5
20240205634
2024-06-20

Audio signal playing method and apparatus, and electronic device

#6
20240196124
2024-06-13

MICROPHONE ARRAYS TO OPTIMIZE THE ACOUSTIC PERCEPTION OF AUTONOMOUS VEHICLES

#7
20240187786
2024-06-06

Array microphone system and method of assembling the same

#8
20240098406
2024-03-21

SYSTEM AND METHOD FOR CAPTURING SOUND SOURCE

#9
20240040294
2024-02-01

Integrated housing and passive cooling for an acoustic camera

#10
20230353967
2023-11-02

Wireless microphone with local storage

#11
20230316852
2023-10-05

ELECTRONIC GAMING MACHINE DISPLAY UNIT WITH AN INTEGRATED SPEAKER TRANSDUCER FOR FORMING A DIRECTIONAL SPEAKER CONE

#12
20230171555
2023-06-01

Speaker calibration method, apparatus and program

#13
20230164483
2023-05-25

Speaker array

#14
20230098384
2023-03-30

Audio device with dual beamforming

#15
20230071703
2023-03-09

INTELLIGENT DEVICE, INTELLIGENT SPEAKER, AND METHOD AND SYSTEM FOR CONTROLLING THE SAME

#16
20230026692
2023-01-26

Hearing aid and a method of operating a hearing aid

#17
20220394379
2022-12-08

Spectral compensation filters for close proximity sound sources

#18
20220369028
2022-11-17

Array microphone system and method of assembling the same

#19
20220353608
2022-11-03

Microphone array

#20
20220351742
2022-11-03

Adaptive noise cancelling for conferencing communication systems

#21
20220345813
2022-10-27

Spatial audio capture and analysis with depth

#22
20220303673
2022-09-22

Apparatus and method for obtaining directional audio signals

#23
20220295176
2022-09-15

Video surveillance system with audio analytics adapted to a particular environment to aid in identifying abnormal events in the particular environment

#24
20220272429
2022-08-25

Speaker System

#25
20220265142
2022-08-25

PORTABLE EYE TRACKING DEVICE

#26
20220240006
2022-07-28

Directional acoustic sensor

#27
20220240005
2022-07-28

Directional acoustic sensor

#28
20220116700
2022-04-14

Directional sound capture using image-based object tracking

#29
20220095052
2022-03-24

Detection of microphone orientation and location for directional audio pickup

#30
20220036908
2022-02-03

Multi-microphone signal enhancement

#31
20210266693
2021-08-26

Bidirectional propagation of sound

#32
20210241562
2021-08-05

Method for door open/close detection

#33
20210235214
2021-07-29

Bidirectional propagation of sound

#34
20210219046
2021-07-15

Directional acoustic sensor

#35
20210210111
2021-07-08

Multi-microphone signal enhancement

#36
20210204058
2021-07-01

Privacy setting for sound leakage control

#37
20210204047
2021-07-01

Portable speaker system

#38
20210144479
2021-05-13

Shared earbuds detection

#39
20210120359
2021-04-22

Directional sound system for a vehicle

#40
20210058730
2021-02-25

Bidirectional propagation of sound

#41
20210038072
2021-02-11

Portable eye tracking device

#42
20200322705
2020-10-08

Electronic keyboard instrument and sound releasing method thereof

#43
20200314536
2020-10-01

Apparatus for drawing attention to an object, method for drawing attention to an object, and computer readable non-transitory storage medium

#44
20200288262
2020-09-10

Spatial audio signal processing

#45
20200288237
2020-09-10

Array microphone system and method of assembling the same

#46
20200145757
2020-05-07

Shared earbuds detection

#47
20200076998
2020-03-05

PORTABLE EYE TRACKING DEVICE

#48
20200015010
2020-01-09

Sound pickup device and sound pickup method

#49
20200015002
2020-01-09

Speaker position determination method, speaker position determination system, and audio apparatus

#50
20190364360
2019-11-28

Lighting integrated sound processing

#51
20190364349
2019-11-28

Portable speaker system

#52
20190327399
2019-10-24

Gaze based directional microphone

#53
20190320259
2019-10-17

Microphone system for a motor vehicle with dynamic directivity

#54
20190273987
2019-09-05

Sound processing node of an arrangement of sound processing nodes

#55
20190222928
2019-07-18

Intelligent conversation control in wearable audio systems

#56
20190183450
2019-06-20

Monitoring body sounds and detecting health conditions

#57
20190020951
2019-01-17

Loudspeaker arrangement in a car interior

#58
20180376243
2018-12-27

Lighting centric indoor location based service with speech-based user interface

#59
20180338205
2018-11-22

ARRAY MICROPHONE SYSTEM AND METHOD OF ASSEMBLING THE SAME

#60
20180330745
2018-11-15

Dual microphone voice processing for headsets with variable microphone array orientation

#61
20180227470
2018-08-09

Gaze assisted field of view control

#62
20180131850
2018-05-10

Portable eye tracking device

#63
20180109874
2018-04-19

User experience oriented audio signal processing

#64
20180048969
2018-02-15

Partner microphone unit and a hearing system comprising a partner microphone unit

#65
20180020137
2018-01-18

PORTABLE EYE TRACKING DEVICE

#66
20180006704
2018-01-04

Stochastic transmission/reception method and apparatus for MU-MIMO scheme in MIMO radio communication system

#67
20170272627
2017-09-21

Gaze based directional microphone

#68
20170223456
2017-08-03

User experience oriented audio signal processing

#69
20170195793
2017-07-06

Apparatus, method and computer program for rendering a spatial audio output signal

#70
20170188153
2017-06-29

Loudspeaker arrangement in a car interior

#71
20170180527
2017-06-22

Mobile terminal and method for the mobile terminal to switch between microphones during a call

#72
20170164100
2017-06-08

FIR filter coefficient calculation for beam-forming filters

#73
20170085987
2017-03-23

Beamforming array utilizing ring radiator loudspeakers and digital signal processing (DSP) optimization of a beamforming array

#74
20170031530
2017-02-02

Display control device, display control method, and program

#75
20170017299
2017-01-19

Portable eye tracking device

#76
20160345086
2016-11-24

Portable speaker system

#77
20160328016
2016-11-10

Portable eye tracking device

#78
20160323668
2016-11-03

Array microphone system and method of assembling the same

#79
20160277862
2016-09-22

Multistage minimum variance distortionless response beamformer

#80
20160277850
2016-09-22

Presentation of audio based on source

#81
20160249132
2016-08-25

SOUND SOURCE LOCALIZATION USING SENSOR FUSION

#82
20160241975
2016-08-18

Partner microphone unit and a hearing system comprising a partner microphone unit

#83
20160241974
2016-08-18

Hearing system comprising a separate microphone unit for picking up a users own voice

#84
20160192068
2016-06-30

Steering vector estimation for minimum variance distortionless response (MVDR) beamforming circuits, systems, and methods

#85
20160173047
2016-06-16

Audio enhancement via beamforming and multichannel filtering of an input audio signal

#86
20150382124
2015-12-31

Directional audio notification

#87
20150350758
2015-12-03

Directional control of a vehicle microphone

#88
20150208168
2015-07-23

Controllable playback system offering hierarchical playback options

#89
20150195644
2015-07-09

STRUCTURAL ELEMENT FOR SOUND FIELD ESTIMATION AND PRODUCTION

#90
20150181359
2015-06-25

Multichannel sound source identification and location

#91
20150124997
2015-05-07

Sound processing device, and sound processing method

#92
20150110286
2015-04-23

DIRECTIONALLY CONTROLLABLE PARAMETRIC EMITTER

#93
20150110275
2015-04-23

Multi-channel audio capture in an apparatus with changeable microphone configurations

#94
20150104041
2015-04-16

Method and system for a headset with integrated environment sensors

#95
20150103686
2015-04-16

Stochastic transmission/reception method and apparatus for MU-MIMO scheme in MIMO radio communication system

#96
20150063603
2015-03-05

Gaze based directional microphone

#97
20150062323
2015-03-05

Portable eye tracking device

#98
20150061996
2015-03-05

Portable eye tracking device

#99
20150061995
2015-03-05

Portable eye tracking device

#100
20150055797
2015-02-26

Method and device for localizing sound sources placed within a sound environment comprising ambient noise

#101
20150003631
2015-01-01

Device for estimating placement of physical objects

#102
20140334639
2014-11-13

Directivity control method and device

#103
20140112487
2014-04-24

Using an auxiliary device sensor to facilitate disambiguation of detected acoustic environment changes

#104
20140023220
2014-01-23

Array speaker structure for audio/video device

#105
20130316691
2013-11-28

Variable beamforming with a mobile platform

#106
20130202114
2013-08-08

Controllable playback system offering hierarchical playback options

#107
20130064041
2013-03-14

Oscillator and electronic device

#108
20120269332
2012-10-25

Method for encoding multiple microphone signals into a source-separable audio signal for network transmission and an apparatus for directed source separation

#109
20120182429
2012-07-19

Variable beamforming with a mobile platform

#110
20090238385
2009-09-24

Hearing system with partial band signal exchange and corresponding method

#111
16175139
2019-10-08

Systems and methods for providing augmented reality audio

#112
15801102
2019-09-24

Portable speaker system

#113
14869760
2017-09-12

Modal based architecture for controlling the directivity of loudspeaker arrays

#114
14528974
2017-09-05

Game call speaker system

#115
14447498
2016-08-30

Method and system for beam selection in microphone array beamformers