EP1748426A3 - Procédé et appareil de suppression du bruit de manière adaptive - Google Patents

Procédé et appareil de suppression du bruit de manière adaptive Download PDF

Info

Publication number
EP1748426A3
EP1748426A3 EP06020682A EP06020682A EP1748426A3 EP 1748426 A3 EP1748426 A3 EP 1748426A3 EP 06020682 A EP06020682 A EP 06020682A EP 06020682 A EP06020682 A EP 06020682A EP 1748426 A3 EP1748426 A3 EP 1748426A3
Authority
EP
European Patent Office
Prior art keywords
nsr
signal
power
term
overall
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.)
Withdrawn
Application number
EP06020682A
Other languages
German (de)
English (en)
Other versions
EP1748426A2 (fr
Inventor
Ravi Chandran
Bruce E. Dunne
Daniel J. Marchok
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.)
Coriant Operations Inc
Original Assignee
Tellabs Operations 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 Tellabs Operations Inc filed Critical Tellabs Operations Inc
Priority claimed from EP00902355A external-priority patent/EP1141948B1/fr
Publication of EP1748426A2 publication Critical patent/EP1748426A2/fr
Publication of EP1748426A3 publication Critical patent/EP1748426A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • G10L21/0232—Processing in the frequency domain
    • 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)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)
  • Noise Elimination (AREA)
EP06020682A 1999-01-07 2000-01-07 Procédé et appareil de suppression du bruit de manière adaptive Withdrawn EP1748426A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11524599P 1999-01-07 1999-01-07
EP00902355A EP1141948B1 (fr) 1999-01-07 2000-01-07 Procede et appareil de suppression du bruit de maniere adaptative

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP00902355A Division EP1141948B1 (fr) 1999-01-07 2000-01-07 Procede et appareil de suppression du bruit de maniere adaptative

Publications (2)

Publication Number Publication Date
EP1748426A2 EP1748426A2 (fr) 2007-01-31
EP1748426A3 true EP1748426A3 (fr) 2007-02-21

Family

ID=37198612

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06076642A Withdrawn EP1729287A1 (fr) 1999-01-07 2000-01-07 Procédé et appareil de suppression adaptée du bruit
EP06020682A Withdrawn EP1748426A3 (fr) 1999-01-07 2000-01-07 Procédé et appareil de suppression du bruit de manière adaptive

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06076642A Withdrawn EP1729287A1 (fr) 1999-01-07 2000-01-07 Procédé et appareil de suppression adaptée du bruit

Country Status (1)

Country Link
EP (2) EP1729287A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009043066A1 (fr) * 2007-10-02 2009-04-09 Akg Acoustics Gmbh Procédé et dispositif pour une amélioration de parole monocanal basée sur un modèle auditif à faible latence
WO2010013939A2 (fr) * 2008-07-29 2010-02-04 Lg Electronics Inc. Appareil de traitement d’un signal audio et son procédé
US8538043B2 (en) 2009-03-08 2013-09-17 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
GB201704489D0 (en) 2017-03-21 2017-05-03 Semafone Ltd Telephone signal processing
EP3800640A4 (fr) * 2019-06-21 2021-09-29 Shenzhen Goodix Technology Co., Ltd. Procédé de détection de voix, dispositif de détection de voix, puce de traitement de voix et appareil électronique

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
US4630304A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic background noise estimator for a noise suppression system
WO1989003141A1 (fr) * 1987-10-01 1989-04-06 Motorola, Inc. Systeme ameliore de suppression du bruit
US5012519A (en) * 1987-12-25 1991-04-30 The Dsp Group, Inc. Noise reduction system
WO1996024128A1 (fr) * 1995-01-30 1996-08-08 Telefonaktiebolaget Lm Ericsson Procede de suppression du bruit par soustraction de spectre
US5632003A (en) * 1993-07-16 1997-05-20 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for coding method and apparatus
US5706395A (en) * 1995-04-19 1998-01-06 Texas Instruments Incorporated Adaptive weiner filtering using a dynamic suppression factor
EP0856833A2 (fr) * 1997-01-29 1998-08-05 Nec Corporation Méthode et dispositif pour atténuer le bruit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351983A (en) 1979-03-05 1982-09-28 International Business Machines Corp. Speech detector with variable threshold
US4454609A (en) 1981-10-05 1984-06-12 Signatron, Inc. Speech intelligibility enhancement
US4628529A (en) 1985-07-01 1986-12-09 Motorola, Inc. Noise suppression system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
US4630304A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic background noise estimator for a noise suppression system
WO1989003141A1 (fr) * 1987-10-01 1989-04-06 Motorola, Inc. Systeme ameliore de suppression du bruit
US5012519A (en) * 1987-12-25 1991-04-30 The Dsp Group, Inc. Noise reduction system
US5632003A (en) * 1993-07-16 1997-05-20 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for coding method and apparatus
WO1996024128A1 (fr) * 1995-01-30 1996-08-08 Telefonaktiebolaget Lm Ericsson Procede de suppression du bruit par soustraction de spectre
US5706395A (en) * 1995-04-19 1998-01-06 Texas Instruments Incorporated Adaptive weiner filtering using a dynamic suppression factor
EP0856833A2 (fr) * 1997-01-29 1998-08-05 Nec Corporation Méthode et dispositif pour atténuer le bruit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GAGNON L ET AL: "SPEECH ENHANCEMENT USING RESONATOR FILTERBANKS", PROC. IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH & SIGNAL PROCESSING (ICASSP '91), 14 May 1991 (1991-05-14) - 17 May 1991 (1991-05-17), IEEE, NEW YORK, USA, pages 981 - 984, XP000222243, ISBN: 0-7803-0003-3 *

Also Published As

Publication number Publication date
EP1748426A2 (fr) 2007-01-31
EP1729287A1 (fr) 2006-12-06

Similar Documents

Publication Publication Date Title
AU2408500A (en) Method and apparatus for adaptively suppressing noise
EP0556992B1 (fr) Système d'atténuation de bruit
US7444280B2 (en) Emphasis of short-duration transient speech features
EP1065656A3 (fr) Procédé et dispositif pour la réduction du bruit dans des signaux de paroles
WO2005109404A3 (fr) Suppression de bruit fondee sur un filtrage weiner de bande de bark et estimation de bruit doblinger modifiee
US20040057586A1 (en) Voice enhancement system
CA2450945A1 (fr) Systeme et procede de detection et de suppression d'un artefact de bruit de radiofrequence a partir de signaux biopotentiels
WO2003001239A3 (fr) Filtre de signaux parasites a ultrasons
WO2000057778A8 (fr) Procede et appareil pour l'analyse de signaux d'electrocardiogramme
EP1050271A3 (fr) Dispositif et procédé de mesure quantitative d'alternation dans un signal d'électrocardiogramme
EP1722357A3 (fr) Méthode et dispositif de détection de l'activité vocale
EP1116224A1 (fr) Suppression du bruit pour codeur vocal a faible debit binaire
AU4399900A (en) System and method for dual microphone signal noise reduction using spectral subtraction
US20040148166A1 (en) Noise-stripping device
EP1081685A3 (fr) Procédé de réduction de bruit dans un signal de parole utilisant un microphone unique
CN108574892B (zh) 拾音器、拾音设备及消除噪音的方法
EP1748426A3 (fr) Procédé et appareil de suppression du bruit de manière adaptive
EP0820051A3 (fr) Procédé et dispositif de mesure du bruit contenu dans un signal de parole transmis
Diethorn Subband noise reduction methods for speech enhancement
US20030004715A1 (en) Noise filtering utilizing non-gaussian signal statistics
EP1278185A3 (fr) Procédé pour améliorer la reduction de bruit lors de la transmission de la voix
CN102144257A (zh) 用于瞬时峰值电平管理和语音清晰度提高的方法
EP0851406A3 (fr) Système d'extraction de paramètre spectral basé sur l'estimation d'une fonction de pondération fréquentielle
KR100744375B1 (ko) 음성 처리 장치 및 방법
JP2859634B2 (ja) 雑音除去装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

17P Request for examination filed

Effective date: 20061027

AC Divisional application: reference to earlier application

Ref document number: 1141948

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 20070917

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: TELLABS OPERATIONS, INC.

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100310