AU2001245418A1 - 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
AU2001245418A1
AU2001245418A1 AU2001245418A AU4541801A AU2001245418A1 AU 2001245418 A1 AU2001245418 A1 AU 2001245418A1 AU 2001245418 A AU2001245418 A AU 2001245418A AU 4541801 A AU4541801 A AU 4541801A AU 2001245418 A1 AU2001245418 A1 AU 2001245418A1
Authority
AU
Australia
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.)
Abandoned
Application number
AU2001245418A
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 AU2001245418A1 publication Critical patent/AU2001245418A1/en
Abandoned 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
    • 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)
AU2001245418A 2000-03-28 2001-03-02 Perceptual spectral weighting of frequency bands for adaptive noise cancellation Abandoned AU2001245418A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53781400A 2000-03-28 2000-03-28
US09537814 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 (1)

Publication Number Publication Date
AU2001245418A1 true AU2001245418A1 (en) 2001-10-08

Family

ID=24144210

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001245418A Abandoned AU2001245418A1 (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
WO2007093726A2 (en) * 2006-02-14 2007-08-23 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
US8355512B2 (en) 2008-10-20 2013-01-15 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
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

Family Cites Families (8)

* 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
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
EP0681730A4 (en) * 1993-11-30 1997-12-17 At & T Corp Transmitted noise reduction in communications systems.
US5768473A (en) * 1995-01-30 1998-06-16 Noise Cancellation Technologies, Inc. Adaptive speech filter
US5706395A (en) * 1995-04-19 1998-01-06 Texas Instruments Incorporated Adaptive weiner filtering using a dynamic suppression factor
JP3591068B2 (en) * 1995-06-30 2004-11-17 ソニー株式会社 Noise reduction method for audio signal
JPH09212196A (en) * 1996-01-31 1997-08-15 Nippon Telegr & Teleph Corp <Ntt> 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

Also Published As

Publication number Publication date
WO2001073759A1 (en) 2001-10-04
CA2401672A1 (en) 2001-10-04
EP1287521A4 (en) 2005-11-16
EP1287521A1 (en) 2003-03-05

Similar Documents

Publication Publication Date Title
EP1277202A4 (en) Relative noise ratio weighting techniques for adaptive noise cancellation
AU2003261126A1 (en) Partial band reconstruction of frequency channelized filters
AU2001257333A1 (en) Adaptive speech filter
AU2001296231A1 (en) Narrowband interference suppression in an ultra-wide band receiver
GB9910448D0 (en) Cancellation of non-stationary interfering signals for speech recognition
AU2003267304A1 (en) Enhancing reception using intercellular interference cancellation
AU2003263754A1 (en) Frequency hopping spread spectrum decoder_______________________
AU2002326474A1 (en) Acoustic wave filter
AU2002210299A1 (en) Adaptive personal repeater
AU2001287417A1 (en) Method of adaptive signal degradation compensation
EP1676373A4 (en) Full-duplex radio frequency echo cancellation
AU2002350102A1 (en) Dual band spiral-shaped antenna
AU2003281139A1 (en) Multistage adaptive parallel interference canceller
AU3551801A (en) Interference cancellation method and receiver
AU2002359437A1 (en) N way phase cancellation power amplifier
AU2000251208A1 (en) Adaptive directional noise cancelling microphone system
AU2001245418A1 (en) Perceptual spectral weighting of frequency bands for adaptive noise cancellation
AU2001296807A1 (en) Interference mitigation in wireless communications by training of interfering signals
AU2001259094A1 (en) Improved radio frequency coverage of an enclosed region by arrangement of transceivers within the region
DE60223745D1 (en) Reference frequency noise suppression in synthesis transceivers
AU2001294074A1 (en) Reduction of chromatic bleeding artifacts inimage
AU2003263019A1 (en) Adaptive phase and gain imbalance cancellation
AU2003238083A1 (en) Multi-frequency band antenna and methods of tuning and manufacture
GB2401512B (en) Adaptive frequency hopping strategy
EP1403963A3 (en) AM Antenna Noise Reduction