ATE417480T1 - Lautsprecher- und mikrofonanordnung - Google Patents

Lautsprecher- und mikrofonanordnung

Info

Publication number
ATE417480T1
ATE417480T1 AT06021433T AT06021433T ATE417480T1 AT E417480 T1 ATE417480 T1 AT E417480T1 AT 06021433 T AT06021433 T AT 06021433T AT 06021433 T AT06021433 T AT 06021433T AT E417480 T1 ATE417480 T1 AT E417480T1
Authority
AT
Austria
Prior art keywords
dimensional digital
ripples
digital filters
amplitude
speakers
Prior art date
Application number
AT06021433T
Other languages
English (en)
Inventor
Kiyoshi Nishikawa
Original Assignee
Yamaha Corp
Univ Kanazawa Nat Univ Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaha Corp, Univ Kanazawa Nat Univ Corp filed Critical Yamaha Corp
Application granted granted Critical
Publication of ATE417480T1 publication Critical patent/ATE417480T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
AT06021433T 2005-10-12 2006-10-12 Lautsprecher- und mikrofonanordnung ATE417480T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005298231 2005-10-12

Publications (1)

Publication Number Publication Date
ATE417480T1 true ATE417480T1 (de) 2008-12-15

Family

ID=37546676

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06021433T ATE417480T1 (de) 2005-10-12 2006-10-12 Lautsprecher- und mikrofonanordnung

Country Status (4)

Country Link
US (1) US8000481B2 (de)
EP (1) EP1775989B1 (de)
AT (1) ATE417480T1 (de)
DE (1) DE602006004136D1 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101520618B1 (ko) 2007-12-04 2015-05-15 삼성전자주식회사 어레이 스피커를 통해 음향을 포커싱하는 방법 및 장치
KR101524463B1 (ko) * 2007-12-04 2015-06-01 삼성전자주식회사 어레이 스피커를 통해 음향을 포커싱하는 방법 및 장치
US9743201B1 (en) * 2013-03-14 2017-08-22 Apple Inc. Loudspeaker array protection management
GB2513884B (en) 2013-05-08 2015-06-17 Univ Bristol Method and apparatus for producing an acoustic field
US9257113B2 (en) * 2013-08-27 2016-02-09 Texas Instruments Incorporated Method and system for active noise cancellation
US9612658B2 (en) 2014-01-07 2017-04-04 Ultrahaptics Ip Ltd Method and apparatus for providing tactile sensations
GB2530036A (en) 2014-09-09 2016-03-16 Ultrahaptics Ltd Method and apparatus for modulating haptic feedback
CN107407969B (zh) 2015-02-20 2020-09-11 超级触觉资讯处理有限公司 操纵触觉场以产生所期用户感知的方法
JP6771473B2 (ja) 2015-02-20 2020-10-21 ウルトラハプティクス アイピー リミテッドＵｌｔｒａｈａｐｔｉｃｓ Ｉｐ Ｌｔｄ 触覚系におけるアルゴリズム向上
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US10818162B2 (en) 2015-07-16 2020-10-27 Ultrahaptics Ip Ltd Calibration techniques in haptic systems
US11189140B2 (en) 2016-01-05 2021-11-30 Ultrahaptics Ip Ltd Calibration and detection techniques in haptic systems
US10268275B2 (en) 2016-08-03 2019-04-23 Ultrahaptics Ip Ltd Three-dimensional perceptions in haptic systems
JP6763721B2 (ja) * 2016-08-05 2020-09-30 大学共同利用機関法人情報・システム研究機構 音源分離装置
US10943578B2 (en) 2016-12-13 2021-03-09 Ultrahaptics Ip Ltd Driving techniques for phased-array systems
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US20180304310A1 (en) * 2017-04-24 2018-10-25 Ultrahaptics Ip Ltd Interference Reduction Techniques in Haptic Systems
US11531395B2 (en) 2017-11-26 2022-12-20 Ultrahaptics Ip Ltd Haptic effects from focused acoustic fields
EP3729417A1 (de) 2017-12-22 2020-10-28 Ultrahaptics Ip Ltd Verfolgung in haptischen systemen
US11704983B2 (en) 2017-12-22 2023-07-18 Ultrahaptics Ip Ltd Minimizing unwanted responses in haptic systems
US10522167B1 (en) * 2018-02-13 2019-12-31 Amazon Techonlogies, Inc. Multichannel noise cancellation using deep neural network masking
SG11202010752VA (en) 2018-05-02 2020-11-27 Ultrahaptics Ip Ltd Blocking plate structure for improved acoustic transmission efficiency
WO2019231632A1 (en) 2018-06-01 2019-12-05 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US11098951B2 (en) 2018-09-09 2021-08-24 Ultrahaptics Ip Ltd Ultrasonic-assisted liquid manipulation
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
US11378997B2 (en) 2018-10-12 2022-07-05 Ultrahaptics Ip Ltd Variable phase and frequency pulse-width modulation technique
US11550395B2 (en) 2019-01-04 2023-01-10 Ultrahaptics Ip Ltd Mid-air haptic textures
US11438691B2 (en) 2019-03-21 2022-09-06 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality
CN113841419A (zh) 2019-03-21 2021-12-24 舒尔获得控股公司 天花板阵列麦克风的外壳及相关联设计特征
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
US11842517B2 (en) 2019-04-12 2023-12-12 Ultrahaptics Ip Ltd Using iterative 3D-model fitting for domain adaptation of a hand-pose-estimation neural network
US11445294B2 (en) 2019-05-23 2022-09-13 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
EP3977449A1 (de) 2019-05-31 2022-04-06 Shure Acquisition Holdings, Inc. Mit sprach- und rauschaktivitätsdetektion integrierter automatischer mischer mit niedriger latenz
EP3769768A1 (de) 2019-07-23 2021-01-27 Consejo Superior de Investigaciones Cientificas (CSIC) Verbindungen zur behandlung von morbus parkinson
WO2021041275A1 (en) 2019-08-23 2021-03-04 Shore Acquisition Holdings, Inc. Two-dimensional microphone array with improved directivity
US11374586B2 (en) 2019-10-13 2022-06-28 Ultraleap Limited Reducing harmonic distortion by dithering
WO2021074604A1 (en) 2019-10-13 2021-04-22 Ultraleap Limited Dynamic capping with virtual microphones
US11169610B2 (en) 2019-11-08 2021-11-09 Ultraleap Limited Tracking techniques in haptic systems
US11715453B2 (en) 2019-12-25 2023-08-01 Ultraleap Limited Acoustic transducer structures
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
US11706562B2 (en) 2020-05-29 2023-07-18 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
US11816267B2 (en) 2020-06-23 2023-11-14 Ultraleap Limited Features of airborne ultrasonic fields
WO2022058738A1 (en) 2020-09-17 2022-03-24 Ultraleap Limited Ultrahapticons
JP2024505068A (ja) 2021-01-28 2024-02-02 シュアー アクイジッション ホールディングス インコーポレイテッド ハイブリッドオーディオビーム形成システム
CN115169250B (zh) * 2022-09-05 2022-12-09 湖北工业大学 基于改进混合整数差分进化的麦克风阵列优化方法及系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0728470B2 (ja) 1989-02-03 1995-03-29 松下電器産業株式会社 アレイマイクロホン

Also Published As

Publication number Publication date
EP1775989B1 (de) 2008-12-10
EP1775989A1 (de) 2007-04-18
DE602006004136D1 (de) 2009-01-22
US8000481B2 (en) 2011-08-16
US20070081677A1 (en) 2007-04-12

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