DE69732329D1 - Verfahren und Vorrichtung zur Trennung einer Schallquelle, Medium mit aufgezeichnetem Programm dafür, Verfahren und Vorrichtung einer Schallquellenzone und Medium mit aufgezeichnetem Programm dafür - Google Patents
Verfahren und Vorrichtung zur Trennung einer Schallquelle, Medium mit aufgezeichnetem Programm dafür, Verfahren und Vorrichtung einer Schallquellenzone und Medium mit aufgezeichnetem Programm dafürInfo
- Publication number
- DE69732329D1 DE69732329D1 DE69732329T DE69732329T DE69732329D1 DE 69732329 D1 DE69732329 D1 DE 69732329D1 DE 69732329 T DE69732329 T DE 69732329T DE 69732329 T DE69732329 T DE 69732329T DE 69732329 D1 DE69732329 D1 DE 69732329D1
- Authority
- DE
- Germany
- Prior art keywords
- sound source
- recorded program
- program medium
- medium therefor
- separating
- 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
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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
- G10L21/0272—Voice signal separating
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H3/00—Instruments in which the tones are generated by electromechanical means
- G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
- G10H3/125—Extracting or recognising the pitch or fundamental frequency of the picked up signal
-
- 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
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/155—Musical effects
- G10H2210/265—Acoustic effect simulation, i.e. volume, spatial, resonance or reverberation effects added to a musical sound, usually by appropriate filtering or delays
- G10H2210/295—Spatial effects, musical uses of multiple audio channels, e.g. stereo
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
- G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
- G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
- G10H2250/235—Fourier transform; Discrete Fourier Transform [DFT]; Fast Fourier Transform [FFT]
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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
-
- 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
- H04R2201/401—2D or 3D arrays of transducers
-
- 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
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24672696 | 1996-09-18 | ||
JP24672696 | 1996-09-18 | ||
JP7669597 | 1997-03-13 | ||
JP7668297 | 1997-03-13 | ||
JP7666897 | 1997-03-13 | ||
JP7669397 | 1997-03-13 | ||
JP7666897 | 1997-03-13 | ||
JP7667297 | 1997-03-13 | ||
JP7668297 | 1997-03-13 | ||
JP7669597 | 1997-03-13 | ||
JP7667297 | 1997-03-13 | ||
JP7669397 | 1997-03-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69732329D1 true DE69732329D1 (de) | 2005-03-03 |
DE69732329T2 DE69732329T2 (de) | 2005-12-22 |
Family
ID=27551362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69732329T Expired - Lifetime DE69732329T2 (de) | 1996-09-18 | 1997-09-18 | Verfahren und Vorrichtung zur Trennung einer Schallquelle, Medium mit aufgezeichnetem Programm dafür, Verfahren und Vorrichtung einer Schallquellenzone und Medium mit aufgezeichnetem Programm dafür |
Country Status (4)
Country | Link |
---|---|
US (1) | US6130949A (de) |
EP (1) | EP0831458B1 (de) |
CA (1) | CA2215746C (de) |
DE (1) | DE69732329T2 (de) |
Families Citing this family (98)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19646055A1 (de) * | 1996-11-07 | 1998-05-14 | Thomson Brandt Gmbh | Verfahren und Vorrichtung zur Abbildung von Schallquellen auf Lautsprecher |
US6151397A (en) * | 1997-05-16 | 2000-11-21 | Motorola, Inc. | Method and system for reducing undesired signals in a communication environment |
DK1133899T3 (da) * | 1998-11-16 | 2009-01-12 | Univ Illinois | Teknikker til behandling af binauralt signal |
US6453284B1 (en) * | 1999-07-26 | 2002-09-17 | Texas Tech University Health Sciences Center | Multiple voice tracking system and method |
WO2001057550A1 (en) * | 2000-02-03 | 2001-08-09 | Sang Gyu Ju | Passive sound telemetry system and method and operating toy using the same |
US7058190B1 (en) * | 2000-05-22 | 2006-06-06 | Harman Becker Automotive Systems-Wavemakers, Inc. | Acoustic signal enhancement system |
DE10035222A1 (de) * | 2000-07-20 | 2002-02-07 | Bosch Gmbh Robert | Verfahren zur aktustischen Ortung von Personen in einem Detektionsraum |
AUPR612001A0 (en) * | 2001-07-04 | 2001-07-26 | Soundscience@Wm Pty Ltd | System and method for directional noise monitoring |
JP4681163B2 (ja) * | 2001-07-16 | 2011-05-11 | パナソニック株式会社 | ハウリング検出抑圧装置、これを備えた音響装置、及び、ハウリング検出抑圧方法 |
US7274794B1 (en) | 2001-08-10 | 2007-09-25 | Sonic Innovations, Inc. | Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment |
EP1415503A2 (de) * | 2001-08-10 | 2004-05-06 | Rasmussen Digital APS | Klangprozessorsystem mit wellengenerator welche eine willkürliche richtung and gradient respons aufweist |
JP4296753B2 (ja) * | 2002-05-20 | 2009-07-15 | ソニー株式会社 | 音響信号符号化方法及び装置、音響信号復号方法及び装置、並びにプログラム及び記録媒体 |
EP1529279A1 (de) * | 2002-08-02 | 2005-05-11 | Koninklijke Philips Electronics N.V. | Verfahren und vorrichtung zur verbesserung der wiedergabe von musikinhalt |
JP2004072345A (ja) * | 2002-08-05 | 2004-03-04 | Pioneer Electronic Corp | 情報記録媒体、情報記録装置及び方法、情報再生装置及び方法、情報記録再生装置及び方法、コンピュータプログラム、並びにデータ構造 |
EP1570464A4 (de) | 2002-12-11 | 2006-01-18 | Softmax Inc | System undverfahren zur sprachverarbeitung unter verwendung einer unabhängigenkomponentenanalyse unter stabilitätseinschränkungen |
US7895036B2 (en) * | 2003-02-21 | 2011-02-22 | Qnx Software Systems Co. | System for suppressing wind noise |
US7725315B2 (en) * | 2003-02-21 | 2010-05-25 | Qnx Software Systems (Wavemakers), Inc. | Minimization of transient noises in a voice signal |
US7885420B2 (en) * | 2003-02-21 | 2011-02-08 | Qnx Software Systems Co. | Wind noise suppression system |
US8271279B2 (en) | 2003-02-21 | 2012-09-18 | Qnx Software Systems Limited | Signature noise removal |
US8326621B2 (en) | 2003-02-21 | 2012-12-04 | Qnx Software Systems Limited | Repetitive transient noise removal |
US7949522B2 (en) | 2003-02-21 | 2011-05-24 | Qnx Software Systems Co. | System for suppressing rain noise |
US8073689B2 (en) * | 2003-02-21 | 2011-12-06 | Qnx Software Systems Co. | Repetitive transient noise removal |
FI118247B (fi) * | 2003-02-26 | 2007-08-31 | Fraunhofer Ges Forschung | Menetelmä luonnollisen tai modifioidun tilavaikutelman aikaansaamiseksi monikanavakuuntelussa |
US20080120100A1 (en) * | 2003-03-17 | 2008-05-22 | Kazuya Takeda | Method For Detecting Target Sound, Method For Detecting Delay Time In Signal Input, And Sound Signal Processor |
WO2004097350A2 (en) * | 2003-04-28 | 2004-11-11 | The Board Of Trustees Of The University Of Illinois | Room volume and room dimension estimation |
US20040213415A1 (en) * | 2003-04-28 | 2004-10-28 | Ratnam Rama | Determining reverberation time |
DE60304859T2 (de) * | 2003-08-21 | 2006-11-02 | Bernafon Ag | Verfahren zur Verarbeitung von Audiosignalen |
US7099821B2 (en) * | 2003-09-12 | 2006-08-29 | Softmax, Inc. | Separation of target acoustic signals in a multi-transducer arrangement |
DE102004005998B3 (de) | 2004-02-06 | 2005-05-25 | Ruwisch, Dietmar, Dr. | Verfahren und Vorrichtung zur Separierung von Schallsignalen |
EP1605439B1 (de) * | 2004-06-04 | 2007-06-27 | Honda Research Institute Europe GmbH | Einheitliche Behandlung von aufgelösten und nicht-aufgelösten Oberwellen |
EP1605437B1 (de) * | 2004-06-04 | 2007-08-29 | Honda Research Institute Europe GmbH | Bestimmung einer gemeinsamen Quelle zweier harmonischer Komponenten |
US8843378B2 (en) * | 2004-06-30 | 2014-09-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Multi-channel synthesizer and method for generating a multi-channel output signal |
DE102004049347A1 (de) * | 2004-10-08 | 2006-04-20 | Micronas Gmbh | Schaltungsanordnung bzw. Verfahren für Sprache enthaltende Audiosignale |
US7760887B2 (en) * | 2004-10-15 | 2010-07-20 | Lifesize Communications, Inc. | Updating modeling information based on online data gathering |
US7903137B2 (en) * | 2004-10-15 | 2011-03-08 | Lifesize Communications, Inc. | Videoconferencing echo cancellers |
US7970151B2 (en) * | 2004-10-15 | 2011-06-28 | Lifesize Communications, Inc. | Hybrid beamforming |
US7826624B2 (en) * | 2004-10-15 | 2010-11-02 | Lifesize Communications, Inc. | Speakerphone self calibration and beam forming |
US7720232B2 (en) * | 2004-10-15 | 2010-05-18 | Lifesize Communications, Inc. | Speakerphone |
US20060132595A1 (en) * | 2004-10-15 | 2006-06-22 | Kenoyer Michael L | Speakerphone supporting video and audio features |
US8116500B2 (en) * | 2004-10-15 | 2012-02-14 | Lifesize Communications, Inc. | Microphone orientation and size in a speakerphone |
US7720236B2 (en) * | 2004-10-15 | 2010-05-18 | Lifesize Communications, Inc. | Updating modeling information based on offline calibration experiments |
JP4873913B2 (ja) * | 2004-12-17 | 2012-02-08 | 学校法人早稲田大学 | 音源分離システムおよび音源分離方法、並びに音響信号取得装置 |
EP1686561B1 (de) | 2005-01-28 | 2012-01-04 | Honda Research Institute Europe GmbH | Feststellung einer gemeinsamen Fundamentalfrequenz harmonischer Signale |
US7593539B2 (en) * | 2005-04-29 | 2009-09-22 | Lifesize Communications, Inc. | Microphone and speaker arrangement in speakerphone |
US7970150B2 (en) * | 2005-04-29 | 2011-06-28 | Lifesize Communications, Inc. | Tracking talkers using virtual broadside scan and directed beams |
US7991167B2 (en) * | 2005-04-29 | 2011-08-02 | Lifesize Communications, Inc. | Forming beams with nulls directed at noise sources |
US7464029B2 (en) * | 2005-07-22 | 2008-12-09 | Qualcomm Incorporated | Robust separation of speech signals in a noisy environment |
JP4637725B2 (ja) * | 2005-11-11 | 2011-02-23 | ソニー株式会社 | 音声信号処理装置、音声信号処理方法、プログラム |
US20070112563A1 (en) * | 2005-11-17 | 2007-05-17 | Microsoft Corporation | Determination of audio device quality |
JP4940671B2 (ja) * | 2006-01-26 | 2012-05-30 | ソニー株式会社 | オーディオ信号処理装置、オーディオ信号処理方法及びオーディオ信号処理プログラム |
EP1989777A4 (de) * | 2006-03-01 | 2011-04-27 | Softmax Inc | System und verfahren zur erzeugung eines separaten signals |
JP2007235646A (ja) * | 2006-03-02 | 2007-09-13 | Hitachi Ltd | 音源分離装置、方法及びプログラム |
JP4912036B2 (ja) * | 2006-05-26 | 2012-04-04 | 富士通株式会社 | 指向性集音装置、指向性集音方法、及びコンピュータプログラム |
DE102006027673A1 (de) * | 2006-06-14 | 2007-12-20 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Signaltrenner, Verfahren zum Bestimmen von Ausgangssignalen basierend auf Mikrophonsignalen und Computerprogramm |
JP4894386B2 (ja) * | 2006-07-21 | 2012-03-14 | ソニー株式会社 | 音声信号処理装置、音声信号処理方法および音声信号処理プログラム |
JP4835298B2 (ja) * | 2006-07-21 | 2011-12-14 | ソニー株式会社 | オーディオ信号処理装置、オーディオ信号処理方法およびプログラム |
JP4867516B2 (ja) * | 2006-08-01 | 2012-02-01 | ヤマハ株式会社 | 音声会議システム |
JP5082327B2 (ja) * | 2006-08-09 | 2012-11-28 | ソニー株式会社 | 音声信号処理装置、音声信号処理方法および音声信号処理プログラム |
US8126161B2 (en) * | 2006-11-02 | 2012-02-28 | Hitachi, Ltd. | Acoustic echo canceller system |
WO2008056649A1 (fr) * | 2006-11-09 | 2008-05-15 | Panasonic Corporation | Détecteur de position de source sonore |
US8233353B2 (en) * | 2007-01-26 | 2012-07-31 | Microsoft Corporation | Multi-sensor sound source localization |
JP4854533B2 (ja) | 2007-01-30 | 2012-01-18 | 富士通株式会社 | 音響判定方法、音響判定装置及びコンピュータプログラム |
US8160273B2 (en) * | 2007-02-26 | 2012-04-17 | Erik Visser | Systems, methods, and apparatus for signal separation using data driven techniques |
JP2010519602A (ja) * | 2007-02-26 | 2010-06-03 | クゥアルコム・インコーポレイテッド | 信号分離のためのシステム、方法、および装置 |
TWI327230B (en) * | 2007-04-03 | 2010-07-11 | Ind Tech Res Inst | Sound source localization system and sound soure localization method |
US8352274B2 (en) * | 2007-09-11 | 2013-01-08 | Panasonic Corporation | Sound determination device, sound detection device, and sound determination method for determining frequency signals of a to-be-extracted sound included in a mixed sound |
WO2009075085A1 (ja) * | 2007-12-10 | 2009-06-18 | Panasonic Corporation | 収音装置、収音方法、収音プログラム、および集積回路 |
JP5111088B2 (ja) * | 2007-12-14 | 2012-12-26 | 三洋電機株式会社 | 撮像装置及び画像再生装置 |
US8175291B2 (en) * | 2007-12-19 | 2012-05-08 | Qualcomm Incorporated | Systems, methods, and apparatus for multi-microphone based speech enhancement |
US8321214B2 (en) * | 2008-06-02 | 2012-11-27 | Qualcomm Incorporated | Systems, methods, and apparatus for multichannel signal amplitude balancing |
WO2010035434A1 (ja) * | 2008-09-26 | 2010-04-01 | パナソニック株式会社 | 死角車両検出装置及びその方法 |
JP4547042B2 (ja) * | 2008-09-30 | 2010-09-22 | パナソニック株式会社 | 音判定装置、音検知装置及び音判定方法 |
WO2010038385A1 (ja) * | 2008-09-30 | 2010-04-08 | パナソニック株式会社 | 音判定装置、音判定方法、及び、音判定プログラム |
GB2470059A (en) * | 2009-05-08 | 2010-11-10 | Nokia Corp | Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter |
EP2441072B1 (de) * | 2009-06-08 | 2019-02-20 | Nokia Technologies Oy | Audioverarbeitung |
FR2948484B1 (fr) * | 2009-07-23 | 2011-07-29 | Parrot | Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile |
JP2011151621A (ja) * | 2010-01-21 | 2011-08-04 | Sanyo Electric Co Ltd | 音声制御装置 |
WO2012105886A1 (en) * | 2011-02-03 | 2012-08-09 | Telefonaktiebolaget L M Ericsson (Publ) | Determining the inter-channel time difference of a multi-channel audio signal |
JP5516455B2 (ja) * | 2011-02-23 | 2014-06-11 | トヨタ自動車株式会社 | 接近車両検出装置及び接近車両検出方法 |
JP5699749B2 (ja) * | 2011-03-31 | 2015-04-15 | 富士通株式会社 | 携帯端末装置の位置判定システムおよび携帯端末装置 |
JP5664581B2 (ja) * | 2012-03-19 | 2015-02-04 | カシオ計算機株式会社 | 楽音発生装置、楽音発生方法及びプログラム |
GB2508417B (en) * | 2012-11-30 | 2017-02-08 | Toshiba Res Europe Ltd | A speech processing system |
EP3950433A1 (de) * | 2013-05-23 | 2022-02-09 | NEC Corporation | Sprachverarbeitungssystem, sprachverarbeitungsverfahren, sprachverarbeitungsprogramm und fahrzeug mit sprachverarbeitungssystem an bord |
GB2515089A (en) * | 2013-06-14 | 2014-12-17 | Nokia Corp | Audio Processing |
KR102110460B1 (ko) | 2013-12-20 | 2020-05-13 | 삼성전자주식회사 | 음향 신호 처리 방법 및 장치 |
CN105301563B (zh) * | 2015-11-10 | 2017-09-22 | 南京信息工程大学 | 一种基于一致聚焦变换最小二乘法的双声源定位方法 |
CN106887230A (zh) * | 2015-12-16 | 2017-06-23 | 芋头科技(杭州)有限公司 | 一种基于特征空间的声纹识别方法 |
CN106971737A (zh) * | 2016-01-14 | 2017-07-21 | 芋头科技(杭州)有限公司 | 一种基于多人说话的声纹识别方法 |
US10257620B2 (en) * | 2016-07-01 | 2019-04-09 | Sonova Ag | Method for detecting tonal signals, a method for operating a hearing device based on detecting tonal signals and a hearing device with a feedback canceller using a tonal signal detector |
US10820097B2 (en) | 2016-09-29 | 2020-10-27 | Dolby Laboratories Licensing Corporation | Method, systems and apparatus for determining audio representation(s) of one or more audio sources |
US10334360B2 (en) * | 2017-06-12 | 2019-06-25 | Revolabs, Inc | Method for accurately calculating the direction of arrival of sound at a microphone array |
US10264354B1 (en) * | 2017-09-25 | 2019-04-16 | Cirrus Logic, Inc. | Spatial cues from broadside detection |
GB2567013B (en) * | 2017-10-02 | 2021-12-01 | Icp London Ltd | Sound processing system |
US10332545B2 (en) * | 2017-11-28 | 2019-06-25 | Nuance Communications, Inc. | System and method for temporal and power based zone detection in speaker dependent microphone environments |
US10755728B1 (en) * | 2018-02-27 | 2020-08-25 | Amazon Technologies, Inc. | Multichannel noise cancellation using frequency domain spectrum masking |
JP6915579B2 (ja) * | 2018-04-06 | 2021-08-04 | 日本電信電話株式会社 | 信号分析装置、信号分析方法および信号分析プログラム |
KR20210017252A (ko) | 2019-08-07 | 2021-02-17 | 삼성전자주식회사 | 다채널 오디오 신호 처리 방법 및 전자 장치 |
WO2021226515A1 (en) | 2020-05-08 | 2021-11-11 | Nuance Communications, Inc. | System and method for data augmentation for multi-microphone signal processing |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989897A (en) * | 1974-10-25 | 1976-11-02 | Carver R W | Method and apparatus for reducing noise content in audio signals |
US4008439A (en) * | 1976-02-20 | 1977-02-15 | Bell Telephone Laboratories, Incorporated | Processing of two noise contaminated, substantially identical signals to improve signal-to-noise ratio |
US4358738A (en) * | 1976-06-07 | 1982-11-09 | Kahn Leonard R | Signal presence determination method for use in a contaminated medium |
JPH01118900A (ja) * | 1987-11-01 | 1989-05-11 | Ricoh Co Ltd | 雑音抑圧装置 |
US5224170A (en) * | 1991-04-15 | 1993-06-29 | Hewlett-Packard Company | Time domain compensation for transducer mismatch |
JPH06230788A (ja) * | 1993-02-01 | 1994-08-19 | Fuji Heavy Ind Ltd | 車室内騒音低減装置 |
WO1994022278A1 (en) * | 1993-03-18 | 1994-09-29 | Central Research Laboratories Limited | Plural-channel sound processing |
GB2276298A (en) * | 1993-03-18 | 1994-09-21 | Central Research Lab Ltd | Plural-channel sound processing |
JP3522954B2 (ja) * | 1996-03-15 | 2004-04-26 | 株式会社東芝 | マイクロホンアレイ入力型音声認識装置及び方法 |
-
1997
- 1997-09-16 US US08/931,515 patent/US6130949A/en not_active Expired - Lifetime
- 1997-09-17 CA CA002215746A patent/CA2215746C/en not_active Expired - Fee Related
- 1997-09-18 EP EP97116245A patent/EP0831458B1/de not_active Expired - Lifetime
- 1997-09-18 DE DE69732329T patent/DE69732329T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2215746A1 (en) | 1998-03-18 |
EP0831458A2 (de) | 1998-03-25 |
CA2215746C (en) | 2002-07-09 |
EP0831458B1 (de) | 2005-01-26 |
DE69732329T2 (de) | 2005-12-22 |
US6130949A (en) | 2000-10-10 |
EP0831458A3 (de) | 1998-11-11 |
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