EP1287521A4 - Perceptual spectral weighting of frequency bands for adaptive noise cancellation - Google Patents

Perceptual spectral weighting of frequency bands for adaptive noise cancellation

Info

Publication number
EP1287521A4
EP1287521A4 EP01918328A EP01918328A EP1287521A4 EP 1287521 A4 EP1287521 A4 EP 1287521A4 EP 01918328 A EP01918328 A EP 01918328A EP 01918328 A EP01918328 A EP 01918328A EP 1287521 A4 EP1287521 A4 EP 1287521A4
Authority
EP
European Patent Office
Prior art keywords
frequency bands
noise cancellation
adaptive noise
spectral weighting
perceptual spectral
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Withdrawn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
EP01918328A
Other languages
German (de)
French (fr)
Other versions
EP1287521A1 (en
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
Publication of EP1287521A1 publication Critical patent/EP1287521A1/en
Publication of EP1287521A4 publication Critical patent/EP1287521A4/en
Withdrawn legal-status Critical Current

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
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L21/0232—Processing in the frequency domain
    • 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
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
EP01918328A 2000-03-28 2001-03-02 Perceptual spectral weighting of frequency bands for adaptive noise cancellation Withdrawn EP1287521A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53781400A 2000-03-28 2000-03-28
US537814 2000-03-28
PCT/US2001/006888 WO2001073759A1 (en) 2000-03-28 2001-03-02 Perceptual spectral weighting of frequency bands for adaptive noise cancellation

Publications (2)

Publication Number Publication Date
EP1287521A1 EP1287521A1 (en) 2003-03-05
EP1287521A4 true EP1287521A4 (en) 2005-11-16

Family

ID=24144210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01918328A Withdrawn EP1287521A4 (en) 2000-03-28 2001-03-02 Perceptual spectral weighting of frequency bands for adaptive noise cancellation

Country Status (4)

Country Link
EP (1) EP1287521A4 (en)
AU (1) AU2001245418A1 (en)
CA (1) CA2401672A1 (en)
WO (1) WO2001073759A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101366124B1 (en) 2006-02-14 2014-02-21 오렌지 Device for perceptual weighting in audio encoding/decoding
US8194873B2 (en) * 2006-06-26 2012-06-05 Davis Pan Active noise reduction adaptive filter leakage adjusting
GB0725113D0 (en) * 2007-12-21 2008-01-30 Wolfson Microelectronics Plc SNR dependent gain
GB0725110D0 (en) 2007-12-21 2008-01-30 Wolfson Microelectronics Plc Gain control based on noise level
US8204242B2 (en) 2008-02-29 2012-06-19 Bose Corporation Active noise reduction adaptive filter leakage adjusting
US8306240B2 (en) 2008-10-20 2012-11-06 Bose Corporation Active noise reduction adaptive filter adaptation rate adjusting
US8355512B2 (en) 2008-10-20 2013-01-15 Bose Corporation Active noise reduction adaptive filter leakage adjusting
US8160271B2 (en) 2008-10-23 2012-04-17 Continental Automotive Systems, Inc. Variable noise masking during periods of substantial silence
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
CN103325380B (en) 2012-03-23 2017-09-12 杜比实验室特许公司 Gain for signal enhancing is post-processed

Citations (5)

* 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
US5757937A (en) * 1996-01-31 1998-05-26 Nippon Telegraph And Telephone Corporation Acoustic noise suppressor
US5768473A (en) * 1995-01-30 1998-06-16 Noise Cancellation Technologies, Inc. Adaptive speech filter
US5806025A (en) * 1996-08-07 1998-09-08 U S West, Inc. Method and system for adaptive filtering of speech signals using signal-to-noise ratio to choose subband filter bank
US5812970A (en) * 1995-06-30 1998-09-22 Sony Corporation Method based on pitch-strength for reducing noise in predetermined subbands of a speech signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4185168A (en) * 1976-05-04 1980-01-22 Causey G Donald Method and means for adaptively filtering near-stationary noise from an information bearing signal
JPH08506434A (en) * 1993-11-30 1996-07-09 エイ・ティ・アンド・ティ・コーポレーション Transmission noise reduction in communication systems
US5706395A (en) * 1995-04-19 1998-01-06 Texas Instruments Incorporated Adaptive weiner filtering using a dynamic suppression factor

Patent Citations (5)

* 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
US5768473A (en) * 1995-01-30 1998-06-16 Noise Cancellation Technologies, Inc. Adaptive speech filter
US5812970A (en) * 1995-06-30 1998-09-22 Sony Corporation Method based on pitch-strength for reducing noise in predetermined subbands of a speech signal
US5757937A (en) * 1996-01-31 1998-05-26 Nippon Telegraph And Telephone Corporation Acoustic noise suppressor
US5806025A (en) * 1996-08-07 1998-09-08 U S West, Inc. Method and system for adaptive filtering of speech signals using signal-to-noise ratio to choose subband filter bank

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MCAULAY R J ET AL: "SPEECH ENHANCEMENT USING A SOFT-DECISION NOISE SUPPRESSION FILTER", IEEE TRANSACTIONS ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, IEEE INC. NEW YORK, US, vol. ASSP-28, no. 2, 1 April 1980 (1980-04-01), pages 137 - 145, XP000647165, ISSN: 0096-3518 *
See also references of WO0173759A1 *
YANG J ED - INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS: "Frequency domain noise suppression approaches in mobile telephone systems", STATISTICAL SIGNAL AND ARRAY PROCESSING. MINNEAPOLIS, APR. 27 - 30, 1993, PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (ICASSP), NEW YORK, IEEE, US, vol. VOL. 4, 27 April 1993 (1993-04-27), pages 363 - 366, XP010110469, ISBN: 0-7803-0946-4 *

Also Published As

Publication number Publication date
WO2001073759A1 (en) 2001-10-04
AU2001245418A1 (en) 2001-10-08
CA2401672A1 (en) 2001-10-04
EP1287521A1 (en) 2003-03-05

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Inventor name: MARCHOK, DANIEL, J.

Inventor name: DUNNE, BRUCE, E.

Inventor name: CHANDRAN, RAVI

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Effective date: 20050930

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Owner name: TELLABS OPERATIONS, INC.

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