DE60315228D1 - Einrichtung und verfahren zur rückkopplungskontrolle - Google Patents

Einrichtung und verfahren zur rückkopplungskontrolle

Info

Publication number
DE60315228D1
DE60315228D1 DE60315228T DE60315228T DE60315228D1 DE 60315228 D1 DE60315228 D1 DE 60315228D1 DE 60315228 T DE60315228 T DE 60315228T DE 60315228 T DE60315228 T DE 60315228T DE 60315228 D1 DE60315228 D1 DE 60315228D1
Authority
DE
Germany
Prior art keywords
feedback control
feedback
control
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.)
Expired - Lifetime
Application number
DE60315228T
Other languages
English (en)
Other versions
DE60315228T2 (de
Inventor
Yasuhiro Terada
Atsunobu Murase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE60315228D1 publication Critical patent/DE60315228D1/de
Application granted granted Critical
Publication of DE60315228T2 publication Critical patent/DE60315228T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE60315228T 2002-03-12 2003-03-12 Einrichtung und verfahren zur rückkopplungskontrolle Expired - Lifetime DE60315228T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002067083A JP3984842B2 (ja) 2002-03-12 2002-03-12 ハウリング制御装置
JP2002067083 2002-03-12
PCT/JP2003/002894 WO2003077594A1 (fr) 2002-03-12 2003-03-12 Dispositif de commande de reaction acoustique et procede de commande de reaction acoustique

Publications (2)

Publication Number Publication Date
DE60315228D1 true DE60315228D1 (de) 2007-09-13
DE60315228T2 DE60315228T2 (de) 2007-11-22

Family

ID=27800269

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60315228T Expired - Lifetime DE60315228T2 (de) 2002-03-12 2003-03-12 Einrichtung und verfahren zur rückkopplungskontrolle

Country Status (9)

Country Link
US (1) US7190800B2 (de)
EP (1) EP1404148B1 (de)
JP (1) JP3984842B2 (de)
CN (1) CN1511430A (de)
AU (1) AU2003213325A1 (de)
CA (1) CA2447144A1 (de)
DE (1) DE60315228T2 (de)
DK (1) DK1404148T3 (de)
WO (1) WO2003077594A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7092532B2 (en) 2003-03-31 2006-08-15 Unitron Hearing Ltd. Adaptive feedback canceller
CN1951147B (zh) * 2004-06-16 2011-08-17 松下电器产业株式会社 啸声检测设备和方法
JP4362090B2 (ja) 2004-07-05 2009-11-11 パナソニック株式会社 変調器
JP2006121188A (ja) * 2004-10-19 2006-05-11 Matsushita Electric Ind Co Ltd ハウリング抑圧装置
EP1684543A1 (de) * 2005-01-19 2006-07-26 Success Chip Ltd. Verfahren zum Unterdrücken von elektroakustischer Rückkopplung
US7742608B2 (en) * 2005-03-31 2010-06-22 Polycom, Inc. Feedback elimination method and apparatus
WO2006123495A1 (ja) * 2005-05-18 2006-11-23 Matsushita Electric Industrial Co., Ltd. ハウリング制御装置および音響装置
JP4893230B2 (ja) * 2006-10-26 2012-03-07 パナソニック電工株式会社 通話装置
US8208621B1 (en) * 2007-10-12 2012-06-26 Mediatek Inc. Systems and methods for acoustic echo cancellation
JP4903665B2 (ja) * 2007-10-22 2012-03-28 有限会社バイセラ ハウリングの防止装置、ハウリング防止プログラム、及びこのプログラムを記録した記録媒体
JP4697267B2 (ja) 2008-07-01 2011-06-08 ソニー株式会社 ハウリング検出装置およびハウリング検出方法
CN101940003A (zh) * 2009-01-30 2011-01-05 松下电器产业株式会社 振鸣抑制装置、振鸣抑制方法、程序以及集成电路
JP2011135485A (ja) * 2009-12-25 2011-07-07 Audio Technica Corp ハウリング抑制装置
CN102316395B (zh) * 2010-07-09 2014-12-31 深圳市宇恒互动科技开发有限公司 一种啸叫判断及消除的方法和装置
JP2012175453A (ja) * 2011-02-22 2012-09-10 Sony Corp 音声処理装置、音声処理方法、及びプログラム
JP5918518B2 (ja) * 2011-11-30 2016-05-18 川崎重工業株式会社 搬送ワークのヨーイング補正機構とその補正方法
CN102625213B (zh) * 2012-04-05 2014-04-30 中国科学院声学研究所 一种处理音频系统啸叫的方法及音频系统
US10659889B2 (en) 2013-11-08 2020-05-19 Infineon Technologies Ag Microphone package and method for generating a microphone signal
US9854358B2 (en) 2014-07-25 2017-12-26 2236008 Ontario Inc. System and method for mitigating audio feedback
US9852744B2 (en) * 2014-12-16 2017-12-26 Psyx Research, Inc. System and method for dynamic recovery of audio data
CN105812993B (zh) * 2014-12-29 2019-02-15 联芯科技有限公司 啸叫检测和抑制方法及其装置
US20170366897A1 (en) * 2016-06-15 2017-12-21 Robert Azarewicz Microphone board for far field automatic speech recognition
JP6632043B1 (ja) * 2019-03-13 2020-01-15 Ｎｅｃプラットフォームズ株式会社 電話装置及び電話装置の制御方法
CN110505555B (zh) * 2019-08-29 2021-05-18 昆腾微电子股份有限公司 一种基于音响系统的声学增益调控方法及装置
CN112349295B (zh) * 2020-10-20 2023-03-31 浙江大华技术股份有限公司 啸叫检测方法及装置
CN113316074B (zh) * 2021-05-11 2022-07-05 紫光展锐(重庆)科技有限公司 一种啸叫检测方法、装置及电子设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535445A (en) * 1983-06-16 1985-08-13 At&T Information Systems Conferencing system adaptive signal conditioner
US5014294A (en) * 1990-02-01 1991-05-07 Motorola Inc. Speakerphone for cellular telephones with howl prevention, detection, elimination and determination
JPH05207596A (ja) 1992-01-27 1993-08-13 Terumo Corp 補聴器
US5442712A (en) 1992-11-25 1995-08-15 Matsushita Electric Industrial Co., Ltd. Sound amplifying apparatus with automatic howl-suppressing function
US5548642A (en) * 1994-12-23 1996-08-20 At&T Corp. Optimization of adaptive filter tap settings for subband acoustic echo cancelers in teleconferencing
JP2918025B2 (ja) * 1996-04-24 1999-07-12 日本電気株式会社 ２線式音声会議装置
JP3714005B2 (ja) * 1998-03-16 2005-11-09 松下電工株式会社 拡声通話機
US6771701B1 (en) * 1999-05-12 2004-08-03 Infineon Technologies North America Corporation Adaptive filter divergence control in echo cancelers by means of amplitude distribution evaluation with configurable hysteresis
JP3558954B2 (ja) * 2000-03-30 2004-08-25 ティーオーエー株式会社 適応ノッチフィルタを利用したハウリング抑制装置

Also Published As

Publication number Publication date
AU2003213325A1 (en) 2003-09-22
US7190800B2 (en) 2007-03-13
EP1404148A4 (de) 2006-01-11
US20040170283A1 (en) 2004-09-02
CA2447144A1 (en) 2003-09-18
EP1404148A1 (de) 2004-03-31
JP3984842B2 (ja) 2007-10-03
CN1511430A (zh) 2004-07-07
WO2003077594A1 (fr) 2003-09-18
EP1404148B1 (de) 2007-08-01
DK1404148T3 (da) 2007-11-19
JP2003274480A (ja) 2003-09-26
DE60315228T2 (de) 2007-11-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP