Patents-Review.com
ClassID:

231936 ⎘

H04R1/32 - CPC Classification

Classification description:

Details of transducers, loudspeakers or microphones; Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only

Sub-classes:
Recent Application in this class:
#1
20260089459
2026-03-26

SYSTEMS AND METHODS FOR INTEGRATING SPATIAL AUDIO WITH ARTIFICIAL INTELLIGENCE ASSISTANTS

 #2
20250365534
2025-11-27

GROUP BEAM SELECTION AND BEAM MERGING

 #3
20250240589
2025-07-24

Validation of Audio Calibration Using Multi-Dimensional Motion Check

 #4
20250225799
2025-07-10

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM

 #5
20250220387
2025-07-03

SOUND SPACE CONSTRUCTION DEVICE, SOUND SPACE CONSTRUCTION SYSTEM, STORAGE MEDIUM STORING PROGRAM, AND SOUND SPACE CONSTRUCTION METHOD

 #6
20250175558
2025-05-29

SPATIALLY BASED ADAPTIVE FILTER FOR A DOUBLE TALK RECOVERY METHOD

 #7
20250080938
2025-03-06

Method and apparatus for edge detection for diffraction of sound tracing

 #8
20250060933
2025-02-20

VIRTUAL AND REAL OBJECT RECORDING IN MIXED REALITY DEVICE

 #9
20240379114
2024-11-14

PACKET LOSS CONCEALMENT FOR DIRAC BASED SPATIAL AUDIO CODING

 #10
20240171910
2024-05-23

ENVIRONMENTAL SOUND PASS-THROUGH METHOD AND APPARATUS APPLIED TO VR, DEVICE AND STORAGE MEDIUM

 #11
20240155284
2024-05-09

INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD

 #12
20240119684
2024-04-11

DISPLAY CONTROL APPARATUS, DISPLAY CONTROL METHOD, AND PROGRAM

 #13
20240107231
2024-03-28

Filters and filter chains

 #14
20240064460
2024-02-22

ACOUSTIC DEVICES

 #15
20240015458
2024-01-11

Validation of audio calibration using multi-dimensional motion check

 #16
20230412973
2023-12-21

SOUND WAVE SIGNAL PROCESSING APPARATUS AND SOUND WAVE DETECTION METHOD

 #17
20230401968
2023-12-14

TRAINING SYSTEM AND METHOD FOR SOUND DIRECTIONAL DISCRIMINATION ABILITY

 #18
20230379648
2023-11-23

AUDIO SIGNAL ISOLATION RELATED TO AUDIO SOURCES WITHIN AN AUDIO ENVIRONMENT

 #19
20230251823
2023-08-10

Virtual and real object recording in mixed reality device

 #20
20230199428
2023-06-22

INFORMATION PROCESSING METHOD, RECORDING MEDIUM, AND SOUND REPRODUCTION DEVICE

 #21
20230107777
2023-04-06

Filters and filter chains

 #22
20220386020
2022-12-01

Holographic-based directional sound device

 #23
20220377456
2022-11-24

Determination of sound source direction

 #24
20220295233
2022-09-15

System and method for WiFi-based indoor localization via unsupervised domain adaptation

 #25
20220265142
2022-08-25

PORTABLE EYE TRACKING DEVICE

 #26
20220240036
2022-07-28

Validation of audio calibration using multi-dimensional motion check

 #27
20220240006
2022-07-28

Directional acoustic sensor

 #28
20220240005
2022-07-28

Directional acoustic sensor

 #29
20220174380
2022-06-02

Variable angle transducer interface block

 #30
20220150652
2022-05-12

Mobile terminal with at least two transducers

 #31
20220108705
2022-04-07

Packet loss concealment for DirAC based spatial audio coding

 #32
20220103965
2022-03-31

Adaptive audio centering for head tracking in spatial audio applications

 #33
20220057985
2022-02-24

Virtual and real object recording in mixed reality device

 #34
20210377642
2021-12-02

Method and apparatus for implementing automatic translation by using a plurality of TWS headsets connected in forwarding mode

 #35
20210340006
2021-11-04

Force feedback compensated absolute pressure sensor

 #36
20210337298
2021-10-28

Wearable audio device magnetometer compensation

 #37
20210219046
2021-07-15

Directional acoustic sensor

 #38
20210200201
2021-07-01

Unmanned aerial vehicle, information processing method, and recording medium

 #39
20210149483
2021-05-20

SELECTIVE IMAGE CAPTURE BASED ON MULTI-MODAL SENSOR INPUT

 #40
20210144467
2021-05-13

Audio processing

 #41
20210144466
2021-05-13

Determination of sound source direction

 #42
20210105578
2021-04-08

System and method for WiFi-based indoor localization via unsupervised domain adaptation

 #43
20210076117
2021-03-11

Rotating loudspeaker

 #44
20210067867
2021-03-04

Signal processing apparatus and signal processing method

 #45
20210038072
2021-02-11

Portable eye tracking device

 #46
20210029425
2021-01-28

Sounding device and mobile terminal

 #47
20200384916
2020-12-10

Driving assistance apparatus, driving assistance method, and computer-readable recording medium

 #48
20200370951
2020-11-26

Directional acoustic sensor and method of detecting distance from sound source using the directional acoustic sensor

 #49
20200349962
2020-11-05

Audio signal processing for noise reduction

 #50
20200310748
2020-10-01

Virtual and real object recording in mixed reality device

 #51
20200145772
2020-05-07

Mobile terminal with at least two transducers

 #52
20200088344
2020-03-19

Support device for electronic equipment and electronic equipment

 #53
20200076998
2020-03-05

PORTABLE EYE TRACKING DEVICE

 #54
20200008000
2020-01-02

Validation of audio calibration using multi-dimensional motion check

 #55
20200007979
2020-01-02

Sound collection apparatus, method of controlling sound collection apparatus, and non-transitory computer-readable storage medium

 #56
20190387310
2019-12-19

Omni-directional speaker system and related devices and methods

 #57
20190379993
2019-12-12

System and method to capture image of pinna and characterize human auditory anatomy using image of pinna

 #58
20190362734
2019-11-28

Method for detecting ambient noise to change the playing voice frequency and sound playing device thereof

 #59
20190327399
2019-10-24

Gaze based directional microphone

 #60
20190279654
2019-09-12

Audio signal processing for noise reduction

 #61
20190208298
2019-07-04

Rotating loudspeaker

 #62
20190182585
2019-06-13

ACOUSTIC LAYER IN MEDIA DEVICE PROVIDING ENHANCED AUDIO PERFORMANCE

 #63
20190069081
2019-02-28

Travel real-time voice translation microphone for mobile phone

 #64
20190068790
2019-02-28

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

 #65
20180359585
2018-12-13

Validation of audio calibration using multi-dimensional motion check

 #66
20180359559
2018-12-13

Coaxial centerbody point-source (CCPS) horn speaker system

 #67
20180332385
2018-11-15

Information processing device and information processing method

 #68
20180268837
2018-09-20

Audio signal processing for noise reduction

 #69
20180255395
2018-09-06

Sound source probing apparatus, sound source probing method, and storage medium storing program therefor

 #70
20180246698
2018-08-30

Virtual and real object recording in mixed reality device

 #71
20180234759
2018-08-16

Acoustical transverse horn for controlled horizontal and vertical sound dispersion

 #72
20180227470
2018-08-09

Gaze assisted field of view control

 #73
20180206028
2018-07-19

WEARABLE COMMUNICATION ENHANCEMENT DEVICE

 #74
20180199134
2018-07-12

Directivity control apparatus, directivity control method, storage medium and directivity control system

 #75
20180190308
2018-07-05

De-reverberation control method and device of sound producing equipment

 #76
20180151169
2018-05-31

Electronic device and method of controlling the same

 #77
20180139561
2018-05-17

Audio based characterization of a human auditory system for personalized audio reproduction

 #78
20180139533
2018-05-17

Spatially ambient aware personal audio delivery device

 #79
20180139532
2018-05-17

Image and audio based characterization of a human auditory system for personalized audio reproduction

 #80
20180132764
2018-05-17

System and method to capture image of pinna and characterize human auditory anatomy using image of pinna

 #81
20180131850
2018-05-10

Portable eye tracking device

 #82
20180115847
2018-04-26

Mobile terminal with at least two transducers

 #83
20180098174
2018-04-05

System and method for capturing, encoding, distributing, and decoding immersive audio

 #84
20180073886
2018-03-15

Audio navigation using short range bilateral earpieces

 #85
20180070184
2018-03-08

SOUND COLLECTION EQUIPMENT HAVING A FUNCTION OF ANSWERING INCOMING CALLS AND CONTROL METHOD OF SOUND COLLECTION

 #86
20180035185
2018-02-01

Headrest having speaker

 #87
20180020137
2018-01-18

PORTABLE EYE TRACKING DEVICE

 #88
20180014096
2018-01-11

Electroacoustic transducer

 #89
20180005632
2018-01-04

Locating individuals using microphone arrays and voice pattern matching

 #90
20170359646
2017-12-14

Cable Set

 #91
20170289685
2017-10-05

XY-type microphone unit and sound recording apparatus

 #92
20170272856
2017-09-21

Orientation free handsfree device

 #93
20170272627
2017-09-21

Gaze based directional microphone

 #94
20170257699
2017-09-07

ACOUSTIC LAYER IN MEDIA DEVICE PROVIDING ENHANCED AUDIO PERFORMANCE

 #95
20170195793
2017-07-06

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

 #96
20170086004
2017-03-23

Validation of audio calibration using multi-dimensional motion check

 #97
20170017299
2017-01-19

Portable eye tracking device

 #98
20160330537
2016-11-10

HYBRID HEADSET TUNED FOR OPEN-BACK AND CLOSED-BACK OPERATION

 #99
20160328016
2016-11-10

Portable eye tracking device

 #100
20160165336
2016-06-09

Directional sound modification

 #101
20160050487
2016-02-18

Electronic device and method for controlling the same

 #102
20160044405
2016-02-11

Dual-frequency coaxial earphone

 #103
20150350768
2015-12-03

Camera-mountable acoustic collection assembly

 #104
20150341719
2015-11-26

Precise tracking of sound angle of arrival at a microphone array under air temperature variation

 #105
20150326968
2015-11-12

Directivity control apparatus, directivity control method, storage medium and directivity control system

 #106
20150319524
2015-11-05

Apparatus and method for detecting location of moving body, lighting apparatus, air conditioning apparatus, security apparatus, and parking lot management apparatus

 #107
20150304766
2015-10-22

Method for spatial filtering of at least one sound signal, computer readable storage medium and spatial filtering system based on cross-pattern coherence

 #108
20150296317
2015-10-15

ELECTRONIC DEVICE AND RECORDING METHOD THEREOF

 #109
20150162019
2015-06-11

Method and electronic device for tracking audio

 #110
20150138333
2015-05-21

Agent Interfaces for Interactive Electronics that Support Social Cues

 #111
20150110333
2015-04-23

Parametric transducer including visual indicia and related methods

 #112
20150088500
2015-03-26

Wearable communication enhancement device

 #113
20150063603
2015-03-05

Gaze based directional microphone

 #114
20150062323
2015-03-05

Portable eye tracking device

 #115
20150061996
2015-03-05

Portable eye tracking device

 #116
20150061995
2015-03-05

Portable eye tracking device

 #117
20150023524
2015-01-22

Directivity control system, directivity control method, sound collection system and sound collection control method

 #118
20140277650
2014-09-18

Method and device for adjusting an audio beam orientation based on device location

 #119
20140269206
2014-09-18

Ultrasound transducer with differential mode signaling

 #120
20140254817
2014-09-11

Orientation free handsfree device

 #121
20140219490
2014-08-07

Acoustic layer in media device providing enhanced audio performance

 #122
20140119588
2014-05-01

Acoustical transverse horn for controlled horizontal and vertical sound dispersion

 #123
20140072142
2014-03-13

Sound direction estimation device, sound processing system, sound direction estimation method, and sound direction estimation program

 #124
20130321625
2013-12-05

ELECTRONIC DEVICE AND INFORMATION TRANSMISSION SYSTEM

 #125
20130315034
2013-11-28

Electronic device

 #126
20130195277
2013-08-01

System and method for dynamic range compensation of distortion

 #127
20130089218
2013-04-11

Audio equipment and oscillation unit

 #128
20130066636
2013-03-14

Apparatus and method for a wireless extension collar device for altering operational mode of mobile and fixed end-user wireless devices by voice commands

 #129
20120243721
2012-09-27

Differential microphone unit and mobile apparatus

 #130
20120077550
2012-03-29

Mobile terminal with at least two transducers

 #131
20060183508
2006-08-17

Mobile terminal with at least two transducers

 #132
20050141736
2005-06-30

Hearing device and method of operating a hearing device

 #133
20050013458
2005-01-20

Device and method for assisting vocalists in hearing their vocal sounds

 #134
18323697
2025-08-26

Group beam selection and beam merging

 #135
17222275
2022-10-25

Filtering early reflections

 #136
16582820
2021-01-05

Aligned beam merger

 #137
15697088
2018-05-08

Reconfigurale fixed beam former using given microphone array

 #138
14582305
2017-01-31

Determining speaker direction using a spherical microphone array