DE69121312D1 - Geräuschsignalvorhersagevorrichtung - Google Patents

Geräuschsignalvorhersagevorrichtung

Info

Publication number
DE69121312D1
DE69121312D1 DE69121312T DE69121312T DE69121312D1 DE 69121312 D1 DE69121312 D1 DE 69121312D1 DE 69121312 T DE69121312 T DE 69121312T DE 69121312 T DE69121312 T DE 69121312T DE 69121312 D1 DE69121312 D1 DE 69121312D1
Authority
DE
Germany
Prior art keywords
noise signal
prediction device
signal prediction
noise
signal
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 - Fee Related
Application number
DE69121312T
Other languages
English (en)
Other versions
DE69121312T2 (de
Inventor
Joji Kane
Akira Nohara
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 Holdings 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 DE69121312D1 publication Critical patent/DE69121312D1/de
Application granted granted Critical
Publication of DE69121312T2 publication Critical patent/DE69121312T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69121312T 1990-05-28 1991-05-27 Geräuschsignalvorhersagevorrichtung Expired - Fee Related DE69121312T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13805190 1990-05-28
JP13805290 1990-05-28

Publications (2)

Publication Number Publication Date
DE69121312D1 true DE69121312D1 (de) 1996-09-19
DE69121312T2 DE69121312T2 (de) 1997-01-02

Family

ID=26471190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121312T Expired - Fee Related DE69121312T2 (de) 1990-05-28 1991-05-27 Geräuschsignalvorhersagevorrichtung

Country Status (4)

Country Link
US (2) US5295225A (de)
EP (1) EP0459364B1 (de)
KR (1) KR950013551B1 (de)
DE (1) DE69121312T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537509A (en) * 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
US5630016A (en) * 1992-05-28 1997-05-13 Hughes Electronics Comfort noise generation for digital communication systems
CA2110090C (en) * 1992-11-27 1998-09-15 Toshihiro Hayata Voice encoder
SE470577B (sv) * 1993-01-29 1994-09-19 Ericsson Telefon Ab L M Förfarande och anordning för kodning och/eller avkodning av bakgrundsljud
US5710862A (en) * 1993-06-30 1998-01-20 Motorola, Inc. Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals
JP2739811B2 (ja) * 1993-11-29 1998-04-15 日本電気株式会社 雑音抑圧方式
CA2153170C (en) * 1993-11-30 2000-12-19 At&T Corp. Transmitted noise reduction in communications systems
JPH07193548A (ja) * 1993-12-25 1995-07-28 Sony Corp 雑音低減処理方法
TW295747B (de) * 1994-06-13 1997-01-11 Sony Co Ltd
DE4422545A1 (de) * 1994-06-28 1996-01-04 Sel Alcatel Ag Start-/Endpunkt-Detektion zur Worterkennung
JP2586827B2 (ja) * 1994-07-20 1997-03-05 日本電気株式会社 受信装置
JP3453898B2 (ja) * 1995-02-17 2003-10-06 ソニー株式会社 音声信号の雑音低減方法及び装置
US6001131A (en) * 1995-02-24 1999-12-14 Nynex Science & Technology, Inc. Automatic target noise cancellation for speech enhancement
JP3591068B2 (ja) * 1995-06-30 2004-11-17 ソニー株式会社 音声信号の雑音低減方法
DE19524847C1 (de) * 1995-07-07 1997-02-13 Siemens Ag Vorrichtung zur Verbesserung gestörter Sprachsignale
US5745384A (en) * 1995-07-27 1998-04-28 Lucent Technologies, Inc. System and method for detecting a signal in a noisy environment
SE506034C2 (sv) * 1996-02-01 1997-11-03 Ericsson Telefon Ab L M Förfarande och anordning för förbättring av parametrar representerande brusigt tal
JP3397568B2 (ja) * 1996-03-25 2003-04-14 キヤノン株式会社 音声認識方法及び装置
GB2312360B (en) * 1996-04-12 2001-01-24 Olympus Optical Co Voice signal coding apparatus
US5864793A (en) * 1996-08-06 1999-01-26 Cirrus Logic, Inc. Persistence and dynamic threshold based intermittent signal detector
SE515674C2 (sv) 1997-12-05 2001-09-24 Ericsson Telefon Ab L M Apparat och metod för brusreducering
DE19803235A1 (de) * 1998-01-28 1999-07-29 Siemens Ag Vorrichtung und Verfahren zur Veränderung des Rauschverhaltens in einem Empfänger eines Datenübertragungssystems
US6097776A (en) * 1998-02-12 2000-08-01 Cirrus Logic, Inc. Maximum likelihood estimation of symbol offset
EP1421682A2 (de) * 2001-08-23 2004-05-26 Koninklijke Philips Electronics N.V. Vorrichtung zur verarbeitung von audiosignalen
US7085715B2 (en) * 2002-01-10 2006-08-01 Mitel Networks Corporation Method and apparatus of controlling noise level calculations in a conferencing system
US20030169888A1 (en) * 2002-03-08 2003-09-11 Nikolas Subotic Frequency dependent acoustic beam forming and nulling
US20030216909A1 (en) * 2002-05-14 2003-11-20 Davis Wallace K. Voice activity detection
AU2003901539A0 (en) * 2003-03-28 2003-05-01 Cochlear Limited Noise floor estimator
KR100657912B1 (ko) 2004-11-18 2006-12-14 삼성전자주식회사 잡음 제거 방법 및 장치
US8073148B2 (en) * 2005-07-11 2011-12-06 Samsung Electronics Co., Ltd. Sound processing apparatus and method
KR100744375B1 (ko) * 2005-07-11 2007-07-30 삼성전자주식회사 음성 처리 장치 및 방법
US7443173B2 (en) * 2006-06-19 2008-10-28 Intel Corporation Systems and techniques for radio frequency noise cancellation
US8645129B2 (en) * 2008-05-12 2014-02-04 Broadcom Corporation Integrated speech intelligibility enhancement system and acoustic echo canceller
US9197181B2 (en) * 2008-05-12 2015-11-24 Broadcom Corporation Loudness enhancement system and method
FR2945689B1 (fr) * 2009-05-15 2011-07-29 St Nxp Wireless France Terminal de communication audio bidirectionnelle simultanee.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628529A (en) * 1985-07-01 1986-12-09 Motorola, Inc. Noise suppression system
DE3689035T2 (de) * 1985-07-01 1994-01-20 Motorola Inc Rauschminderungssystem.
JPS63502304A (ja) * 1986-01-06 1988-09-01 モトロ−ラ・インコ−ポレ−テツド 高雑音環境における言語認識のためのフレ−ム比較法
US5276765A (en) * 1988-03-11 1994-01-04 British Telecommunications Public Limited Company Voice activity detection

Also Published As

Publication number Publication date
EP0459364B1 (de) 1996-08-14
US5490231A (en) 1996-02-06
EP0459364A1 (de) 1991-12-04
KR950013551B1 (ko) 1995-11-08
US5295225A (en) 1994-03-15
DE69121312T2 (de) 1997-01-02
KR910020641A (ko) 1991-12-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee