EP1287521A4 - Perceptual spectral weighting of frequency bands for adaptive noise cancellation - Google Patents
Perceptual spectral weighting of frequency bands for adaptive noise cancellationInfo
- 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- Withdrawn
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 230000003595 spectral effect Effects 0.000 title 1
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
- 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 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
- 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
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
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)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8260620B2 (en) | 2006-02-14 | 2012-09-04 | France Telecom | 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 |
GB0725110D0 (en) * | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | Gain control based on noise level |
GB0725113D0 (en) * | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | SNR dependent gain |
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)
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)
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 |
WO1995015550A1 (en) * | 1993-11-30 | 1995-06-08 | At & T Corp. | Transmitted noise reduction in communications systems |
US5706395A (en) * | 1995-04-19 | 1998-01-06 | Texas Instruments Incorporated | Adaptive weiner filtering using a dynamic suppression factor |
-
2001
- 2001-03-02 EP EP01918328A patent/EP1287521A4/en not_active Withdrawn
- 2001-03-02 WO PCT/US2001/006888 patent/WO2001073759A1/en active Application Filing
- 2001-03-02 CA CA002401672A patent/CA2401672A1/en not_active Abandoned
- 2001-03-02 AU AU2001245418A patent/AU2001245418A1/en not_active Abandoned
Patent Citations (5)
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)
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 |
EP1287521A1 (en) | 2003-03-05 |
AU2001245418A1 (en) | 2001-10-08 |
CA2401672A1 (en) | 2001-10-04 |
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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 |
|
17P | Request for examination filed |
Effective date: 20021028 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: MARCHOK, DANIEL, J. Inventor name: DUNNE, BRUCE, E. Inventor name: CHANDRAN, RAVI |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20050930 |
|
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: 20091001 |