KR20150127619A - 오디오 시스템에서의 오디오 왜곡 감소 - Google Patents

오디오 시스템에서의 오디오 왜곡 감소 Download PDF

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Publication number
KR20150127619A
KR20150127619A KR1020157024696A KR20157024696A KR20150127619A KR 20150127619 A KR20150127619 A KR 20150127619A KR 1020157024696 A KR1020157024696 A KR 1020157024696A KR 20157024696 A KR20157024696 A KR 20157024696A KR 20150127619 A KR20150127619 A KR 20150127619A
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KR
South Korea
Prior art keywords
signal
audio
test
current
loudspeaker
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
KR1020157024696A
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English (en)
Korean (ko)
Inventor
비카스 비나약
Original Assignee
퀀탄스, 인코포레이티드
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Application filed by 퀀탄스, 인코포레이티드 filed Critical 퀀탄스, 인코포레이티드
Publication of KR20150127619A publication Critical patent/KR20150127619A/ko
Ceased legal-status Critical Current

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    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H04R3/08—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H04R29/003—Monitoring arrangements; Testing arrangements for loudspeakers of the moving-coil type
    • 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
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electromagnetism (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020157024696A 2013-03-12 2014-03-06 오디오 시스템에서의 오디오 왜곡 감소 Ceased KR20150127619A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/797,590 2013-03-12
US13/797,590 US9301071B2 (en) 2013-03-12 2013-03-12 Reducing audio distortion in an audio system
PCT/US2014/021425 WO2014164233A1 (en) 2013-03-12 2014-03-06 Reducing audio distortion in an audio system

Publications (1)

Publication Number Publication Date
KR20150127619A true KR20150127619A (ko) 2015-11-17

Family

ID=51527119

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020157024696A Ceased KR20150127619A (ko) 2013-03-12 2014-03-06 오디오 시스템에서의 오디오 왜곡 감소

Country Status (6)

Country Link
US (2) US9301071B2 (enExample)
EP (1) EP2974370B1 (enExample)
JP (2) JP6067921B2 (enExample)
KR (1) KR20150127619A (enExample)
CN (1) CN105191346B (enExample)
WO (1) WO2014164233A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200127871A (ko) * 2019-05-03 2020-11-11 하만인터내셔날인더스트리스인코포레이티드 음향 변환기에 대한 비선형 거동의 보상 시스템 및 방법
KR20200127875A (ko) * 2019-05-03 2020-11-11 하만인터내셔날인더스트리스인코포레이티드 자속에 기반한 음향 변환기에 대한 비선형 거동의 보상 시스템 및 방법

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US9386387B2 (en) * 2013-05-23 2016-07-05 Listen, Inc. Audio measurement amplifier
EP3099047A1 (en) * 2015-05-28 2016-11-30 Nxp B.V. Echo controller
EP3171515B1 (en) 2015-11-17 2020-01-08 Nxp B.V. Speaker driver
US9743170B2 (en) * 2015-12-18 2017-08-22 Bose Corporation Acoustic noise reduction audio system having tap control
US9930440B2 (en) 2015-12-18 2018-03-27 Bose Corporation Acoustic noise reduction audio system having tap control
US10091573B2 (en) 2015-12-18 2018-10-02 Bose Corporation Method of controlling an acoustic noise reduction audio system by user taps
US10110987B2 (en) 2015-12-18 2018-10-23 Bose Corporation Method of controlling an acoustic noise reduction audio system by user taps
US9766481B1 (en) * 2016-08-08 2017-09-19 Google Inc. Closed loop audio processing for bone conduction transducer
CN106303883A (zh) * 2016-08-23 2017-01-04 歌尔股份有限公司 一种检测扬声器音圈振动位移的方法、装置及扬声器单体
US10341767B2 (en) * 2016-12-06 2019-07-02 Cirrus Logic, Inc. Speaker protection excursion oversight
CN108235173A (zh) * 2018-02-11 2018-06-29 钰太芯微电子科技（上海）有限公司 一种麦克风电路及具有降噪功能的耳机
US10354641B1 (en) 2018-02-13 2019-07-16 Bose Corporation Acoustic noise reduction audio system having tap control
US10903589B2 (en) * 2018-07-31 2021-01-26 United States Of America As Represented By The Secretary Of The Navy Radio frequency optical acoustic communication modem
US10805751B1 (en) * 2019-09-08 2020-10-13 xMEMS Labs, Inc. Sound producing device
US10771893B1 (en) * 2019-10-10 2020-09-08 xMEMS Labs, Inc. Sound producing apparatus
GB2595234B (en) * 2020-05-18 2022-06-01 Waves Audio Ltd Control of an electrostatic acoustic device
EP4492818A3 (en) 2020-10-23 2025-04-02 Oticon Medical A/S Distortion compensation for bone anchored hearing device
US11457311B1 (en) 2021-06-22 2022-09-27 Bose Corporation System and method for determining voice coil offset or temperature

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2758532B2 (ja) 1992-06-05 1998-05-28 三菱電機株式会社 音響装置
US5600718A (en) 1995-02-24 1997-02-04 Ericsson Inc. Apparatus and method for adaptively precompensating for loudspeaker distortions
US7039201B1 (en) 2000-10-31 2006-05-02 Leetronics Corporation Audio signal phase detection system and method
US20050031140A1 (en) * 2003-08-07 2005-02-10 Tymphany Corporation Position detection of an actuator using a capacitance measurement
US20050031139A1 (en) 2003-08-07 2005-02-10 Tymphany Corporation Position detection of an actuator using impedance
JP2005323204A (ja) * 2004-05-10 2005-11-17 Atsuhito Hanamoto モーショナルフィードバック装置
CN101044785A (zh) * 2004-10-21 2007-09-26 皇家飞利浦电子股份有限公司 扬声器反馈
JP2006279508A (ja) * 2005-03-29 2006-10-12 Sony Corp オーディオ信号増幅装置及び歪補正方法
JP4448811B2 (ja) * 2005-09-28 2010-04-14 日本電産ピジョン株式会社 スピーカー
US8401207B2 (en) * 2009-03-31 2013-03-19 Harman International Industries, Incorporated Motional feedback system
US8411877B2 (en) 2009-10-13 2013-04-02 Conexant Systems, Inc. Tuning and DAC selection of high-pass filters for audio codecs
US8731496B2 (en) 2009-12-18 2014-05-20 Quantance, Inc. Power amplifier power controller
CN103813236A (zh) * 2012-11-07 2014-05-21 飞兆半导体公司 扬声器保护的相关方法及装置
EP2890160B1 (en) 2013-12-24 2019-08-14 Nxp B.V. Loudspeaker controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200127871A (ko) * 2019-05-03 2020-11-11 하만인터내셔날인더스트리스인코포레이티드 음향 변환기에 대한 비선형 거동의 보상 시스템 및 방법
KR20200127875A (ko) * 2019-05-03 2020-11-11 하만인터내셔날인더스트리스인코포레이티드 자속에 기반한 음향 변환기에 대한 비선형 거동의 보상 시스템 및 방법

Also Published As

Publication number Publication date
US20140270207A1 (en) 2014-09-18
CN105191346A (zh) 2015-12-23
JP2017085623A (ja) 2017-05-18
US9301071B2 (en) 2016-03-29
JP2016510966A (ja) 2016-04-11
JP6449219B2 (ja) 2019-01-09
JP6067921B2 (ja) 2017-01-25
EP2974370B1 (en) 2017-07-12
EP2974370A4 (en) 2016-03-09
US20160183002A1 (en) 2016-06-23
EP2974370A1 (en) 2016-01-20
CN105191346B (zh) 2018-10-16
US10129642B2 (en) 2018-11-13
WO2014164233A1 (en) 2014-10-09
HK1213411A1 (zh) 2016-06-30

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