AU2003221999A1 - Audio feedback processing system - Google Patents

Audio feedback processing system

Info

Publication number
AU2003221999A1
AU2003221999A1 AU2003221999A AU2003221999A AU2003221999A1 AU 2003221999 A1 AU2003221999 A1 AU 2003221999A1 AU 2003221999 A AU2003221999 A AU 2003221999A AU 2003221999 A AU2003221999 A AU 2003221999A AU 2003221999 A1 AU2003221999 A1 AU 2003221999A1
Authority
AU
Australia
Prior art keywords
processing system
audio feedback
feedback processing
audio
processing
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.)
Abandoned
Application number
AU2003221999A
Other languages
English (en)
Inventor
Aaron M. Hammond
Richard Kreifeldt
Curtis R. Reed
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.)
Harman International Industries Inc
Original Assignee
Harman International Industries Inc
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 Harman International Industries Inc filed Critical Harman International Industries Inc
Publication of AU2003221999A1 publication Critical patent/AU2003221999A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Filters That Use Time-Delay Elements (AREA)
AU2003221999A 2002-03-13 2003-03-13 Audio feedback processing system Abandoned AU2003221999A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36399402P 2002-03-13 2002-03-13
US60/363,994 2002-03-13
PCT/US2003/007943 WO2003079721A1 (en) 2002-03-13 2003-03-13 Audio feedback processing system

Publications (1)

Publication Number Publication Date
AU2003221999A1 true AU2003221999A1 (en) 2003-09-29

Family

ID=28041852

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003221999A Abandoned AU2003221999A1 (en) 2002-03-13 2003-03-13 Audio feedback processing system

Country Status (6)

Country Link
US (2) US7203324B2 (enExample)
JP (1) JP4274949B2 (enExample)
AU (1) AU2003221999A1 (enExample)
DE (1) DE10392425B4 (enExample)
GB (2) GB2402856B (enExample)
WO (1) WO2003079721A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7203324B2 (en) * 2002-03-13 2007-04-10 Harman International Industries, Incorporated Audio feedback processing system
US7912228B2 (en) 2003-07-18 2011-03-22 Volkswagen Ag Device and method for operating voice-supported systems in motor vehicles
JP4630956B2 (ja) * 2004-03-30 2011-02-09 学校法人早稲田大学 ハウリング周波数成分強調方法およびその装置、ハウリング検出方法およびその装置、ハウリング抑圧方法およびその装置、ピーク周波数成分強調方法およびその装置
US7720236B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Updating modeling information based on offline calibration experiments
US8243953B2 (en) * 2005-03-11 2012-08-14 Rane Corporation Method and apparatus for identifying a feedback frequency in a signal
US7822193B2 (en) * 2005-03-18 2010-10-26 The University Of York Estimation method and apparatus
US7742608B2 (en) * 2005-03-31 2010-06-22 Polycom, Inc. Feedback elimination method and apparatus
US7664275B2 (en) * 2005-07-22 2010-02-16 Gables Engineering, Inc. Acoustic feedback cancellation system
US20070036164A1 (en) * 2005-08-11 2007-02-15 Rolf Goehler Digital gateway for education systems
US20070104335A1 (en) * 2005-11-09 2007-05-10 Gpe International Limited Acoustic feedback suppression for audio amplification systems
EP1793645A3 (en) 2005-11-09 2008-08-06 GPE International Limited Acoustical feedback suppression for audio amplification systems
US7764634B2 (en) * 2005-12-29 2010-07-27 Microsoft Corporation Suppression of acoustic feedback in voice communications
JP5352952B2 (ja) * 2006-11-07 2013-11-27 ソニー株式会社 デジタルフィルタ回路、デジタルフィルタプログラムおよびノイズキャンセリングシステム
US20080298577A1 (en) * 2007-05-02 2008-12-04 Gn Netcom A/S Method and system for processing communication signals in a communication system
CN102422346B (zh) * 2009-05-11 2014-09-10 皇家飞利浦电子股份有限公司 音频噪声消除
US8494178B1 (en) * 2010-08-20 2013-07-23 Pixar Avoiding audio feedback
US9351085B2 (en) * 2012-12-20 2016-05-24 Cochlear Limited Frequency based feedback control
US9940930B1 (en) 2016-12-07 2018-04-10 Google Llc Securing audio data
US10134396B2 (en) 2016-12-07 2018-11-20 Google Llc Preventing of audio attacks
US10242673B2 (en) 2016-12-07 2019-03-26 Google Llc Preventing of audio attacks using an input and an output hotword detection model
US10056061B1 (en) 2017-05-02 2018-08-21 Harman International Industries, Incorporated Guitar feedback emulation
US11641546B2 (en) * 2019-06-17 2023-05-02 Cirrus Logic, Inc. Frequency-domain haptic waveform compensation for haptic transducers
EP4062405A4 (en) 2019-11-22 2023-08-02 Lisnr SIZE BALANCE OF AUDIO-BASED DATA TRANSMISSIONS
US11805161B2 (en) 2019-11-22 2023-10-31 Lisnr, Inc Transmitting data using audio transmissions and quadrature amplitude modulation and associated equalization strategies

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079199A (en) * 1977-05-25 1978-03-14 Patronis Jr Eugene T Acoustic feedback detector and automatic gain control
US4238746A (en) * 1978-03-20 1980-12-09 The United States Of America As Represented By The Secretary Of The Navy Adaptive line enhancer
US4602337A (en) * 1983-02-24 1986-07-22 Cox James R Analog signal translating system with automatic frequency selective signal gain adjustment
JPS627298A (ja) 1985-07-03 1987-01-14 Nec Corp 音響雑音除去装置
US4658426A (en) * 1985-10-10 1987-04-14 Harold Antin Adaptive noise suppressor
US5029217A (en) * 1986-01-21 1991-07-02 Harold Antin Digital hearing enhancement apparatus
US5046101A (en) * 1989-11-14 1991-09-03 Lovejoy Controls Corp. Audio dosage control system
CA2066624C (en) * 1990-06-13 1999-02-16 Doran M. Oster Method and apparatus for adaptive audio resonant frequency filtering
JP2949972B2 (ja) 1991-11-13 1999-09-20 松下電器産業株式会社 ハウリング抑制装置
US5442712A (en) * 1992-11-25 1995-08-15 Matsushita Electric Industrial Co., Ltd. Sound amplifying apparatus with automatic howl-suppressing function
JPH06327088A (ja) 1993-05-14 1994-11-25 Nippon Telegr & Teleph Corp <Ntt> 音響系設計・運用支援装置及び適応制御型イコライザ装置
JP3235925B2 (ja) * 1993-11-19 2001-12-04 松下電器産業株式会社 ハウリング抑制装置
EP0704118B1 (en) * 1994-04-12 2003-06-04 Koninklijke Philips Electronics N.V. Signal amplifier system with improved echo cancellation
JP2773656B2 (ja) * 1994-09-09 1998-07-09 ヤマハ株式会社 ハウリング防止装置
US5717772A (en) * 1995-08-07 1998-02-10 Motorola, Inc. Method and apparatus for suppressing acoustic feedback in an audio system
FR2744320B1 (fr) * 1996-01-26 1998-03-06 Sextant Avionique Systeme de prise de son et d'ecoute pour equipement de tete en ambiance bruitee
WO1997036456A1 (en) * 1996-03-26 1997-10-02 Sarnoff Corporation Battery and circuitry assembly
US5999631A (en) * 1996-07-26 1999-12-07 Shure Brothers Incorporated Acoustic feedback elimination using adaptive notch filter algorithm
JPH11127496A (ja) * 1997-10-20 1999-05-11 Sony Corp ハウリング除去装置
DE19814180C1 (de) * 1998-03-30 1999-10-07 Siemens Audiologische Technik Digitales Hörgerät sowie Verfahren zur Erzeugung einer variablen Richtmikrofoncharakteristik
JP3675179B2 (ja) * 1998-07-17 2005-07-27 三菱電機株式会社 オーディオ信号の雑音除去装置
FR2796948A1 (fr) 1999-07-30 2001-02-02 Aventis Pharma Sa Nouveaux derives 8-carbonyl chromannes, leur preparation et leur utilisation en therapeutique
US6463450B1 (en) 1999-08-26 2002-10-08 Ericsson Inc. Method and apparatus for the location of the peak of a function using a filter bank
EP1298643B1 (en) 2000-06-14 2005-05-11 Kabushiki Kaisha Kenwood Frequency interpolating device and frequency interpolating method
BE1014198A3 (nl) * 2001-05-28 2003-06-03 Wienerberger Bricks N V Isolerend bouwelement en werkwijze voor het vervaardigen van dergelijk bouwelement.
US7203324B2 (en) * 2002-03-13 2007-04-10 Harman International Industries, Incorporated Audio feedback processing system

Also Published As

Publication number Publication date
HK1073756A1 (en) 2005-10-14
GB0600160D0 (en) 2006-02-15
GB2419794B (en) 2006-10-18
DE10392425T5 (de) 2005-06-30
WO2003079721A1 (en) 2003-09-25
JP2005527141A (ja) 2005-09-08
US7602925B2 (en) 2009-10-13
GB2402856A (en) 2004-12-15
US7203324B2 (en) 2007-04-10
JP4274949B2 (ja) 2009-06-10
GB2402856B (en) 2006-03-29
GB0421655D0 (en) 2004-10-27
DE10392425B4 (de) 2017-12-14
US20030210797A1 (en) 2003-11-13
GB2419794A (en) 2006-05-03
US20060056644A1 (en) 2006-03-16

Similar Documents

Publication Publication Date Title
AU2003221999A1 (en) Audio feedback processing system
EP1535275B8 (en) Audio processing
AU2003202945A1 (en) Audio system based on at least second-order eigenbeams
AU2003230379A1 (en) Audio distribution system
AU2003241771A1 (en) Parallel processing system
AU2003268348A1 (en) Secure network-routed voice processing
AU2003288407A1 (en) Electronic processing system
AU2003239702A1 (en) Input system
AU2003270592A1 (en) Anti-entrapment system
AU2003230558A1 (en) Radio system having distributed real-time processing
AU2003244166A1 (en) Plasma processing method
AU2003207322A1 (en) Compact surround-sound system
AU2003299588A1 (en) Pipe-inspection system
AU2003261299A1 (en) Systems and methods for processing benefits
AU2003281401A1 (en) Plasma processing equipment
AU2003265634A1 (en) Substrate processing system
AU2003250413A1 (en) Audio processing system
AU2003275368A1 (en) Prosthodontia system
AU2003221340A1 (en) Plasma processing apparatus
AU2003215796A1 (en) Audio distribution
AU2003242903A1 (en) Audio processing
AU2003205849A1 (en) Plasma processing apparatus
AU2003205899A1 (en) Video processing
AU2003252470A1 (en) Plasma processing apparatus
AU2003283777A1 (en) Processing system

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase