ClassID:

232121

H04R2201/401 - page 3 - 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 2D or 3D arrays of transducers

Recent Application in this class:
#601
20140341420
2014-11-20

Acoustic transducer apparatus

#602
20140328504
2014-11-06

Transducer with piezoelectric, conductive and dielectric membrane

#603
20140307894
2014-10-16

Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field

#604
20140301580
2014-10-09

Loudspeaker bracket

#605
20140286510
2014-09-25

Loudspeaker design

#606
20140286493
2014-09-25

Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field

#607
20140269204
2014-09-18

Multi-frequency ultra wide bandwidth transducer

#608
20140267704
2014-09-18

System and method for audio source localization using multiple audio sensors

#609
20140211945
2014-07-31

Audio rendering device and audio rendering method

#610
20140204714
2014-07-24

Sound source detection device

#611
20140198918
2014-07-17

Configurable three-dimensional sound system

#612
20140163311
2014-06-12

Method and apparatus for ambient sound therapy user interface and control system

#613
20140140551
2014-05-22

System of audio speakers implemented using EMP actuators

#614
20140133673
2014-05-15

Vehicle with side wall speakers

#615
20140126753
2014-05-08

Speaker array apparatus

#616
20140098978
2014-04-10

Sound generator and sound-generating apparatus

#617
20140085538
2014-03-27

Techniques and apparatus for audio isolation in video processing

#618
20140067386
2014-03-06

Method and system for noise reduction

#619
20140064524
2014-03-06

Directional sound systems and related methods

#620
20140056107
2014-02-27

Parametric system for generating a sound halo, and methods of use thereof

#621
20140050332
2014-02-20

Method and system for obtaining an audio signal

#622
20140037128
2014-02-06

Device for emitting an acoustic wave

#623
20140029761
2014-01-30

Method and apparatus for microphone beamforming

#624
20140003620
2014-01-02

Devices and methods for conveying audio information in vehicles

#625
20130342731
2013-12-26

Mobile terminal and audio zooming method thereof

#626
20130342730
2013-12-26

Mobile terminal and audio zooming method thereof

#627
20130315404
2013-11-28

OPTIMUM BROADCAST AUDIO CAPTURING APPARATUS, METHOD AND SYSTEM

#628
20130287232
2013-10-31

Piezoelectric partial-surface sound transducer

#629
20130267275
2013-10-10

Electronic apparatus with detachable speakers, a body unit and a control unit

#630
20130266172
2013-10-10

Suspended audio performance system

#631
20130258813
2013-10-03

Apparatus and method for spatially selective sound acquisition by acoustic triangulation

#632
20130236031
2013-09-12

Speaker system which comprises speaker driver groups

#633
20130230181
2013-09-05

Microphone and method for modelling microphone characteristics

#634
20130208936
2013-08-15

Loudspeaker rigging system having upwardly extending connecting links

#635
20130208896
2013-08-15

Device and method for direction dependent spatial noise reduction

#636
20130195286
2013-08-01

Equalization of an audio signal

#637
20130182857
2013-07-18

Sound processing apparatus, sound processing method and program

#638
20130156207
2013-06-20

Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in an accessory device

#639
20130147835
2013-06-13

Technique for localizing sound source

#640
20130136280
2013-05-30

Microspeaker with piezoelectric, metal and dielectric membrane

#641
20130121505
2013-05-16

Microphone array configuration and method for operating the same

#642
20130102908
2013-04-25

Air conduction sensor and a system and a method for monitoring a health condition

#643
20130101141
2013-04-25

Directional audio array apparatus and system

#644
20130094679
2013-04-18

Microelectromechanical loudspeaker array with predetermined period of time of diaphragm relaxation

#645
20130094678
2013-04-18

Acoustic transducer assembly

#646
20130077810
2013-03-28

Apparatus having an acoustic display

#647
20130076275
2013-03-28

Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith

#648
20130069480
2013-03-21

ELECTROMECHANICAL TRANSDUCER AND METHOD OF MANUFACTURING THE ELECTROMECHANICAL TRANSDUCER

#649
20130058505
2013-03-07

CIRCULAR LOUDSPEAKER ARRAY WITH CONTROLLABLE DIRECTIVITY

#650
20130058492
2013-03-07

Apparatus and method for measuring a plurality of loudspeakers and microphone array

#651
20130039504
2013-02-14

Methods and apparatuses for echo cancelation with beamforming microphone arrays

#652
20130034241
2013-02-07

Methods and apparatuses for multiple configurations of beamforming microphone arrays

#653
20130029684
2013-01-31

Sensor network system for acquiring high quality speech signals and communication method therefor

#654
20130021503
2013-01-24

Electronic apparatus having microphones with controllable front-side gain and rear-side gain

#655
20120327115
2012-12-27

Signal-enhancing beamforming in an augmented reality environment

#656
20120306823
2012-12-06

AUDIO SENSORS

#657
20120294121
2012-11-22

Transducer for phased array acoustic systems

#658
20120294118
2012-11-22

Acoustic localization of a speaker

#659
20120288114
2012-11-15

Audio camera using microphone arrays for real time capture of audio images and method for jointly processing the audio images with video images

#660
20120262536
2012-10-18

STEREOPHONIC TELECONFERENCING USING A MICROPHONE ARRAY

#661
20120224022
2012-09-06

Providing Audio Playback During a Conference Based on Location of Corresponding Video on a Display

#662
20120219139
2012-08-30

Providing audio playback during a conference based on conference system source

#663
20120207332
2012-08-16

Housed loudspeaker array

#664
20120207323
2012-08-16

Method and apparatus for sound source localization using microphones

#665
20120188434
2012-07-26

Method for acquiring audio signals, and audio acquisition system thereof

#666
20120163636
2012-06-28

Method and apparatus for creating personal sound zone

#667
20120128175
2012-05-24

Systems, methods, apparatus, and computer-readable media for orientation-sensitive recording control

#668
20120128160
2012-05-24

Three-dimensional sound capturing and reproducing with multi-microphones

#669
20120114138
2012-05-10

Sound source signal processing apparatus and method

#670
20120114128
2012-05-10

Audio beamforming

#671
20120106299
2012-05-03

Multi frequency 2D phased array transducer

#672
20120093344
2012-04-19

OPTIMAL MODAL BEAMFORMER FOR SENSOR ARRAYS

#673
20120093338
2012-04-19

System and method for spatial noise suppression based on phase information

#674
20120093337
2012-04-19

Microphone array

#675
20120082325
2012-04-05

Condenser microphone array chip

#676
20120076316
2012-03-29

Microphone array system

#677
20120070009
2012-03-22

Microphone array and method of use

#678
20120051556
2012-03-01

Parametric audio system

#679
20120033725
2012-02-09

Signal processing system and method for calibrating channel signals supplied from an array of sensors having different operating characteristics

#680
20120008812
2012-01-12

Loudspeaker

#681
20110317041
2011-12-29

Electronic apparatus having microphones with controllable front-side gain and rear-side gain

#682
20110305362
2011-12-15

Integrated rigging system for loudspeakers with vertically and horizontally oriented locking pin holes and dolly board placed in abutment with adjacent dolly boards

#683
20110264249
2011-10-27

Method of, and apparatus for, planar audio tracking

#684
20110255697
2011-10-20

DIGITAL SOUND PROJECTOR

#685
20110222372
2011-09-15

Method and system for dereverberation of signals propagating in reverberative environments

#686
20110206228
2011-08-25

Acoustic structure including helmholtz resonator

#687
20110206212
2011-08-25

Microphone system and method of operating the same

#688
20110194719
2011-08-11

Speakerphone and/or microphone arrays and methods and systems of the using the same

#689
20110182440
2011-07-28

Woofer-less and enclosure-less loudspeaker system

#690
20110182150
2011-07-28

Actuator apparatus with comb-drive component and methods useful for manufacturing and operating same

#691
20110164760
2011-07-07

SOUND SOURCE TRACKING DEVICE

#692
20110137209
2011-06-09

MICROPHONE ARRAYS FOR LISTENING TO INTERNAL ORGANS OF THE BODY

#693
20110135125
2011-06-09

METHOD, COMMUNICATION DEVICE AND COMMUNICATION SYSTEM FOR CONTROLLING SOUND FOCUSING

#694
20110135117
2011-06-09

ENHANCED SURROUND SOUND EXPERIENCE

#695
20110123058
2011-05-26

Composite microphone with flexible substrate and conductors

#696
20110091057
2011-04-21

EYEGLASSES WITH A PLANAR ARRAY OF MICROPHONES FOR ASSISTING HEARING

#697
20110075859
2011-03-31

Apparatus for gain calibration of a microphone array and method thereof

#698
20110019867
2011-01-27

Electro-acoustic transducer with multi-faced diaphragm assembly

#699
20110019832
2011-01-27

Sound processor, sound processing method and recording medium storing sound processing program

#700
20110013778
2011-01-20

Speaker array apparatus and method for setting audio beams of speaker array apparatus

#701
20110002487
2011-01-06

Audio Channel Assignment for Audio Output in a Movable Device

#702
20110002469
2011-01-06

Apparatus for Capturing and Rendering a Plurality of Audio Channels

#703
20100329478
2010-12-30

Housing for microphone arrays and multi-sensor devices for their size optimization

#704
20100316231
2010-12-16

System and method for determining vector acoustic intensity external to a spherical array of transducers and an acoustically reflective spherical surface

#705
20100290630
2010-11-18

Center channel rendering

#706
20100278347
2010-11-04

ACOUSTIC HOSTILE FIRE INDICATOR

#707
20100254543
2010-10-07

CONFERENCE MICROPHONE SYSTEM

#708
20100241426
2010-09-23

Method and system for noise reduction

#709
20100220877
2010-09-02

Array speaker system and array microphone system

#710
20100208921
2010-08-19

Apparatus and method for background noise estimation with a binaural hearing device supply

#711
20100202628
2010-08-12

Augmented elliptical microphone array

#712
20100189267
2010-07-29

Speaker array apparatus, signal processing method, and program

#713
20100177909
2010-07-15

Beamforming system comprising a transducer assembly

#714
20100177178
2010-07-15

Participant audio enhancement system

#715
20100166215
2010-07-01

WIND NOISE REJECTION APPARATUS

#716
20100166195
2010-07-01

Acoustic apparatus

#717
20100142732
2010-06-10

Microphone array

#718
20100128901
2010-05-27

WIND NOISE REJECTION APPARATUS

#719
20100128895
2010-05-27

Combining audio signals based on ranges of phase difference

#720
20100119090
2010-05-13

Omni-directional radiator for multi-transducer array

#721
20100111311
2010-05-06

Delay time calculation apparatus and method

#722
20100080409
2010-04-01

Dual-mode loudspeaker

#723
20100034397
2010-02-11

Sound source tracking system, method and robot

#724
20100008517
2010-01-14

Audio system based on at least second-order eigenbeams

#725
20090310797
2009-12-17

Wind noise rejection apparatus

#726
20090298430
2009-12-03

Directional communication systems

#727
20090296957
2009-12-03

SOUND SYSTEM AND METHOD FOR CREATING A SOUND EVENT BASED ON A MODELED SOUND FIELD

#728
20090290717
2009-11-26

Delay time calculation apparatus, delay time calculation method, and storage medium storing program therefor

#729
20090285441
2009-11-19

Loudspeaker Having a Continuous Molded Diaphragm

#730
20090277712
2009-11-12

Acoustic energy projection system

#731
20090238372
2009-09-24

VERTICALLY OR HORIZONTALLY PLACEABLE COMBINATIVE ARRAY SPEAKER

#732
20090226004
2009-09-10

Microphone aperture

#733
20090214067
2009-08-27

Loudspeaker box with a variable radiation characteristic

#734
20090161880
2009-06-25

METHOD AND APPARATUS TO CREATE A SOUND FIELD

#735
20090141926
2009-06-04

Optimized moving-coil loudspeaker

#736
20090141916
2009-06-04

Loudspeaker-transducer array

#737
20090136048
2009-05-28

Apparatus and method for reproducing surround wave field using wave field synthesis

#738
20090110225
2009-04-30

Method and apparatus for sound source localization using microphones

#739
20090110219
2009-04-30

Speaker array system

#740
20090103753
2009-04-23

Three-dimension array structure of surround-sound speaker

#741
20090034762
2009-02-05

ARRAY SPEAKER DEVICE

#742
20090028347
2009-01-29

Audio camera using microphone arrays for real time capture of audio images and method for jointly processing the audio images with video images

#743
20090002476
2009-01-01

Microphone array for a camera speakerphone

#744
20080292112
2008-11-27

Method for Recording and Reproducing a Sound Source with Time-Variable Directional Characteristics

#745
20080285772
2008-11-20

Acoustic localization of a speaker

#746
20080279410
2008-11-13

Hearing enhancement systems

#747
20080260189
2008-10-23

Hearing Aid Comprising Sound Tracking Means

#748
20080247567
2008-10-09

Directional Audio Capturing

#749
20080232192
2008-09-25

Method and apparatus for determining vector acoustic intensity

#750
20080226093
2008-09-18

SPEAKER ARRAY APPARATUS AND SIGNAL PROCESSING METHOD THEREFOR

#751
20080226084
2008-09-18

Array speaker apparatus

#752
20080212819
2008-09-04

Low noise microphone for use in windy environments and/or in the presence of engine noise

#753
20080212804
2008-09-04

Sound receiver

#754
20080205668
2008-08-28

SENSITIVE SILICON MICROPHONE WITH WIDE DYNAMIC RANGE

#755
20080199152
2008-08-21

Sound processing apparatus, sound processing method and program

#756
20080199017
2008-08-21

Speaker array apparatus and signal processing method therefor

#757
20080192964
2008-08-14

Speaker system and speaker cluster system

#758
20080165979
2008-07-10

Speaker array apparatus and method for setting audio beams of speaker array apparatus

#759
20080159571
2008-07-03

Miniature Surround-Sound Loudspeaker

#760
20080121459
2008-05-29

Acoustic energy projection system

#761
20080091421
2008-04-17

Device and method for voice activity detection based on the direction from which sound signals emanate

#762
20080085026
2008-04-10

Curved line array with horizontal coverage control

#763
20080075298
2008-03-27

Image sensing apparatus with selectably combinable microphone signals to obtain desired directivity

#764
20080056517
2008-03-06

DYNAMIC BINAURAL SOUND CAPTURE AND REPRODUCTION IN FOCUED OR FRONTAL APPLICATIONS

#765
20080019551
2008-01-24

Sound receiver

#766
20070287516
2007-12-13

Directional wireless communication systems

#767
20070274534
2007-11-29

Audio recording system

#768
20070269071
2007-11-22

Non-Planar Transducer Arrays

#769
20070268209
2007-11-22

Imaging Panels Including Arrays Of Audio And Video Input And Output Elements

#770
20070263894
2007-11-15

Bessel line source array

#771
20070263889
2007-11-15

Method and apparatus for calibrating a sound beam-forming system

#772
20070263888
2007-11-15

Method and system for surround sound beam-forming using vertically displaced drivers

#773
20070263881
2007-11-15

METHOD AND APPARATUS FOR LOCATING A TALKER

#774
20070260340
2007-11-08

Ultra small microphone array

#775
20070223711
2007-09-27

System and method for visualizing sound source energy distribution

#776
20070183618
2007-08-09

Moving object equipped with ultra-directional speaker

#777
20070172079
2007-07-26

Handsfree communication system

#778
20070160254
2007-07-12

Glasses frame comprising an integrated acoustic communication system for communication with a mobile radio appliance, and corresponding method

#779
20070154036
2007-07-05

Electrostatic ultrasonic transducer drive control method, electrostatic ultrasonic transducer, ultrasonic speaker using the same, audio signal reproduction method, ultra-directional acoustic system, and display device

#780
20070127736
2007-06-07

Handsfree system for use in a vehicle

#781
20070121989
2007-05-31

Audio output device

#782
20070110257
2007-05-17

Microphone array with physical beamforming using omnidirectional microphones

#783
20070056434
2007-03-15

Sound system and method for creating a sound event based on a modeled sound field

#784
20070053455
2007-03-08

Signal processing system and method for calibrating channel signals supplied from an array of sensors having different operating characteristics

#785
20070050441
2007-03-01

Method and apparatus for improving noise discrimination using attenuation factor

#786
20070047742
2007-03-01

Method and system for enhancing regional sensitivity noise discrimination

#787
20070025703
2007-02-01

System and method for reproducing moving picture

#788
20060280315
2006-12-14

System and method for delivering audio-visual content along a customer waiting line

#789
20060269080
2006-11-30

Hybrid beamforming

#790
20060269074
2006-11-30

Updating modeling information based on offline calibration experiments

#791
20060262941
2006-11-23

Speaker array system

#792
20060256983
2006-11-16

Audio based on speaker position and/or conference location

#793
20060239471
2006-10-26

Controlling actions in a video game unit

#794
20060233404
2006-10-19

Horn array emitter

#795
20060233402
2006-10-19

Electro-acoustic transducer with multi-faced diaphragm assembly

#796
20060204022
2006-09-14

Sound beam loudspeaker system

#797
20060188111
2006-08-24

Microphone apparatus

#798
20060182298
2006-08-17

Bessel soundbar

#799
20060165242
2006-07-27

Sound reinforcement system

#800
20060159289
2006-07-20

Bessel array with full amplitude signal to half amplitude position transducers

#801
20060159288
2006-07-20

Bessel dipole loudspeaker

#802
20060159287
2006-07-20

MTM of bessels loudspeaker

#803
20060159286
2006-07-20

Bessel array with non-empty null positions

#804
20060159281
2006-07-20

Method and apparatus to record a signal using a beam forming algorithm

#805
20060153399
2006-07-13

Method and apparatus for ambient sound therapy user interface and control system

#806
20060140417
2006-06-29

Method and apparatus for audio signal enhancement

#807
20060126878
2006-06-15

Audio playback method and apparatus using line array speaker unit

#808
20060104458
2006-05-18

Video and audio conferencing system with spatial audio

#809
20060088176
2006-04-27

Method and apparatus for intelligent acoustic signal processing in accordance wtih a user preference

#810
20060018491
2006-01-26

Single-sided Bessel array

#811
20060018490
2006-01-26

Bessel array

#812
20060008107
2006-01-12

Speaker device

#813
20060002235
2006-01-05

Pressure sensitive sensor for real-time reconfigurable sonar applications

#814
20050271230
2005-12-08

Array speaker apparatus with projection screen

#815
20050271221
2005-12-08

Airborne collection of acoustic data using an unmanned aerial vehicle

#816
20050265562
2005-12-01

System and process for locating a speaker using 360 degree sound source localization

#817
20050249361
2005-11-10

Selective shaping of communication signals

#818
20050248233
2005-11-10

Parametric audio system

#819
20050246167
2005-11-03

Sound source search system

#820
20050225497
2005-10-13

Beam forming array of transducers

#821
20050223877
2005-10-13

Sound system and method for creating a sound event based on a modeled sound field

#822
20050213432
2005-09-29

Array device and mobile terminal

#823
20050207588
2005-09-22

Focused hypersonic communication

#824
20050163330
2005-07-28

Acoustic measuring system for locating noise sources

#825
20050123149
2005-06-09

Audio system based on at least second-order eigenbeams

#826
20050100176
2005-05-12

System and method for computing a location of an acoustic source

#827
20050084116
2005-04-21

Detecting acoustic echoes using microphone arrays

#828
20050080616
2005-04-14

Recording a three dimensional auditory scene and reproducing it for the individual listener

#829
20050063555
2005-03-24

Electroacoustical transducing

#830
20050041530
2005-02-24

Signal processing device for acoustic transducer array

#831
20050025318
2005-02-03

Reproduction system for video and audio signals

#832
20050018861
2005-01-27

System and process for calibrating a microphone array

#833
20050009583
2005-01-13

Directional wireless communication systems

#834
19069554
2026-04-28

Real-time updateable audio resonance specular holographic display

#835
18949650
2026-02-03

Spatial headphone transparency

#836
18487534
2025-01-14

Spatial headphone transparency

#837
18222319
2026-03-17

Systems and methods for audio source localization in a multi-speaker system

#838
18143305
2025-12-02

Method for wall direction estimation

#839
18082340
2024-03-12

Multiple zone communications and controls

#840
18059471
2024-03-19

Navigation system intended for use by blind or visually impaired people

#841
17984134
2023-11-14

Spatial headphone transparency

#842
17809501
2023-10-17

Multi-modal interactive apparatus

#843
17474967
2023-05-16

Symmetrical cuboctahedral speaker array to create a surround sound environment

#844
17465385
2022-11-22

Targeted directional acoustic response

#845
17368509
2024-05-28

Power efficient acoustic tracking of sound sources

#846
17211142
2022-07-12

Ear-mountable listening device with orientation discovery for rotational correction of microphone array outputs

#847
17200337
2022-11-15

Spatial headphone transparency

#848
17187830
2022-12-27

Conferencing device with microphone beamforming and echo cancellation

#849
16989046
2022-05-10

Assembly for electronic devices

#850
16694543
2020-09-29

Audio signal noise estimation method and device, and storage medium

#851
16541943
2021-10-26

Autonomously motile device with beamforming

#852
16361808
2020-12-08

Beamforming for a wearable computer

#853
16016156
2020-04-28

Optimization of microphone array geometry for direction of arrival estimation

#854
15947502
2020-05-19

Techniques for selecting a direct path acoustic signal

#855
15926374
2020-07-07

System and method for including soundscapes in online mapping utilities

#856
15873772
2019-03-05

Horn array

#857
15825775
2018-12-18

System and method for speech enhancement in multisource environments

#858
15714262
2018-11-27

Temporal and spatial detection of acoustic sources

#859
15681395
2019-07-30

Adaptive multi-microphone beamforming

#860
15676605
2018-04-17

System and method for including soundscapes in online mapping utilities

#861
15640385
2018-11-20

Interference-free audio pickup in a video conference

#862
15347482
2018-03-27

Concentric circular differential microphone arrays and associated beamforming

#863
15339425
2018-02-20

Speaker array for sound imaging

#864
15334892
2017-06-06

Using local talker position to pan sound relative to video frames at a remote location

#865
15247670
2019-03-26

Beamforming for a wearable computer

#866
14969835
2017-01-24

Identifying conference participants and active talkers at a video conference endpoint using user devices

#867
14789683
2016-10-04

Audio encoder for wind and microphone noise reduction in a microphone array system

#868
14582305
2017-01-31

Determining speaker direction using a spherical microphone array

#869
14012495
2017-07-04

Acoustic hostile fire indicator

#870
13534978
2016-11-01

Speaker array for sound imaging

#871
13199593
2018-07-03

Controlling speech enhancement algorithms using near-field spatial statistics