DE69822128D1 - Anordnung zur verarbeitung von audiosignalen aus mehreren quellen - Google Patents

Anordnung zur verarbeitung von audiosignalen aus mehreren quellen

Info

Publication number
DE69822128D1
DE69822128D1 DE69822128T DE69822128T DE69822128D1 DE 69822128 D1 DE69822128 D1 DE 69822128D1 DE 69822128 T DE69822128 T DE 69822128T DE 69822128 T DE69822128 T DE 69822128T DE 69822128 D1 DE69822128 D1 DE 69822128D1
Authority
DE
Germany
Prior art keywords
arrangement
audio signals
several sources
processing audio
sources
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
DE69822128T
Other languages
English (en)
Other versions
DE69822128T2 (de
Inventor
Jan Belt
Pieter Janse
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69822128D1 publication Critical patent/DE69822128D1/de
Publication of DE69822128T2 publication Critical patent/DE69822128T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G10K15/00—Acoustics not otherwise provided for
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
    • H03H17/0213—Frequency domain filters using Fourier transforms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H21/0018—Matched filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H21/0025—Particular filtering methods
    • H03H21/0027—Particular filtering methods filtering in the frequency domain
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H21/0067—Means or methods for compensation of undesirable effects
    • 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
    • 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
    • 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • 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
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166—Microphone arrays; Beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
DE69822128T 1997-11-22 1998-11-20 Anordnung zur verarbeitung von audiosignalen aus mehreren quellen Expired - Lifetime DE69822128T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97203658 1997-11-22
EP97203658 1997-11-22
PCT/IB1998/001851 WO1999027522A2 (en) 1997-11-22 1998-11-20 Audio processing arrangement with multiple sources

Publications (2)

Publication Number Publication Date
DE69822128D1 true DE69822128D1 (de) 2004-04-08
DE69822128T2 DE69822128T2 (de) 2005-01-20

Family

ID=8228958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69822128T Expired - Lifetime DE69822128T2 (de) 1997-11-22 1998-11-20 Anordnung zur verarbeitung von audiosignalen aus mehreren quellen

Country Status (7)

Country Link
US (2) US7146012B1 (de)
EP (1) EP0954850B1 (de)
JP (1) JP4372232B2 (de)
KR (1) KR100584491B1 (de)
CN (1) CN1115663C (de)
DE (1) DE69822128T2 (de)
WO (1) WO1999027522A2 (de)

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WO2002001915A2 (en) 2000-06-30 2002-01-03 Koninklijke Philips Electronics N.V. Device and method for calibration of a microphone
JP2004537233A (ja) * 2001-07-20 2004-12-09 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ エコー抑圧回路及びラウドスピーカ・ビームフォーマを有する音響補強システム
US9406293B2 (en) * 2001-08-01 2016-08-02 Kopin Corporation Apparatuses and methods to detect and obtain desired audio
WO2006040734A1 (en) 2004-10-13 2006-04-20 Koninklijke Philips Electronics N.V. Echo cancellation
US8170879B2 (en) 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7610196B2 (en) 2004-10-26 2009-10-27 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US8306821B2 (en) 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US8543390B2 (en) * 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US7949520B2 (en) 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7716046B2 (en) 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
ATE497327T1 (de) 2005-07-06 2011-02-15 Koninkl Philips Electronics Nv Vorrichtung und verfahren zur schallstrahlformung
CN101001293B (zh) * 2006-01-13 2010-04-21 讯强通讯科技股份有限公司 无线耳机通讯中回音的消除方法
CN100436482C (zh) * 2006-04-14 2008-11-26 东莞太力生物工程有限公司 长效人促红细胞生成素融合蛋白及其制备和纯化方法
JP4455614B2 (ja) * 2007-06-13 2010-04-21 株式会社東芝 音響信号処理方法及び装置
CN101689371B (zh) 2007-06-21 2013-02-06 皇家飞利浦电子股份有限公司 处理音频信号的设备和方法
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
WO2009034524A1 (en) * 2007-09-13 2009-03-19 Koninklijke Philips Electronics N.V. Apparatus and method for audio beam forming
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8209514B2 (en) 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning
CN102077277B (zh) * 2008-06-25 2013-06-12 皇家飞利浦电子股份有限公司 音频处理
WO2010073193A1 (en) 2008-12-23 2010-07-01 Koninklijke Philips Electronics N.V. Speech capturing and speech rendering
JP5175262B2 (ja) * 2009-12-02 2013-04-03 日本電信電話株式会社 音声取得装置
US9479866B2 (en) * 2011-11-14 2016-10-25 Analog Devices, Inc. Microphone array with daisy-chain summation
CN102813746B (zh) * 2012-08-01 2014-07-09 河南科技大学 一种用于治疗手指麻木的中药组合物
CN104751853B (zh) * 2013-12-31 2019-01-04 辰芯科技有限公司 双麦克风噪声抑制方法及系统
EP3120355B1 (de) 2014-03-17 2018-08-29 Koninklijke Philips N.V. Rauschunterdrückung
CN110140359B (zh) 2017-01-03 2021-10-29 皇家飞利浦有限公司 使用波束形成的音频捕获
RU2759715C2 (ru) 2017-01-03 2021-11-17 Конинклейке Филипс Н.В. Звукозапись с использованием формирования диаграммы направленности
RU2760097C2 (ru) * 2017-01-03 2021-11-22 Конинклейке Филипс Н.В. Способ и устройство для захвата аудиоинформации с использованием формирования диаграммы направленности
EP3566228B1 (de) * 2017-01-03 2020-06-10 Koninklijke Philips N.V. Audioerfassung mittels strahlformung
DE102017116273A1 (de) * 2017-03-30 2018-10-04 Riedel Communications International GmbH Netzwerkgerät für ein Intercom-Netzwerk
CN110692257B (zh) * 2017-05-29 2021-11-02 哈曼贝克自动系统股份有限公司 声音捕获
CN108630216B (zh) * 2018-02-15 2021-08-27 湖北工业大学 一种基于双麦克风模型的mpnlms声反馈抑制方法
CN109194307B (zh) * 2018-08-01 2022-05-27 南京中感微电子有限公司 数据处理方法及系统
EP4191584A1 (de) 2021-12-02 2023-06-07 Koninklijke Philips N.V. Audiovorrichtung und verfahren zum betrieb davon
EP4443901A1 (de) 2023-04-06 2024-10-09 Koninklijke Philips N.V. Erzeugung eines audiostereosignals

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Also Published As

Publication number Publication date
CN1115663C (zh) 2003-07-23
CN1251192A (zh) 2000-04-19
JP4372232B2 (ja) 2009-11-25
WO1999027522A2 (en) 1999-06-03
EP0954850A2 (de) 1999-11-10
US7146012B1 (en) 2006-12-05
DE69822128T2 (de) 2005-01-20
EP0954850B1 (de) 2004-03-03
JP2001510001A (ja) 2001-07-24
KR100584491B1 (ko) 2006-06-02
US7454023B1 (en) 2008-11-18
KR20000070387A (ko) 2000-11-25
WO1999027522A3 (en) 1999-08-12

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