IL139858A - Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging - Google Patents

Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging

Info

Publication number
IL139858A
IL139858A IL13985899A IL13985899A IL139858A IL 139858 A IL139858 A IL 139858A IL 13985899 A IL13985899 A IL 13985899A IL 13985899 A IL13985899 A IL 13985899A IL 139858 A IL139858 A IL 139858A
Authority
IL
Israel
Prior art keywords
gain function
discrepancy
spectral subtraction
averaging
noise reduction
Prior art date
Application number
IL13985899A
Other languages
English (en)
Other versions
IL139858A0 (en
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IL139858A0 publication Critical patent/IL139858A0/xx
Publication of IL139858A publication Critical patent/IL139858A/xx

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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Noise Elimination (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
  • Near-Field Transmission Systems (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Radiation (AREA)
IL13985899A 1998-05-27 1999-05-27 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging IL139858A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/084,503 US6459914B1 (en) 1998-05-27 1998-05-27 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
PCT/SE1999/000898 WO1999062053A1 (en) 1998-05-27 1999-05-27 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging

Publications (2)

Publication Number Publication Date
IL139858A0 IL139858A0 (en) 2002-02-10
IL139858A true IL139858A (en) 2005-08-31

Family

ID=22185365

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13985899A IL139858A (en) 1998-05-27 1999-05-27 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging

Country Status (14)

Country Link
US (1) US6459914B1 (ko)
EP (1) EP1080463B1 (ko)
JP (1) JP2002517020A (ko)
KR (1) KR100595799B1 (ko)
CN (1) CN1134766C (ko)
AT (1) ATE251328T1 (ko)
AU (1) AU4664399A (ko)
BR (1) BR9910740A (ko)
DE (1) DE69911768D1 (ko)
EE (1) EE200000677A (ko)
HK (1) HK1039649B (ko)
IL (1) IL139858A (ko)
MY (1) MY119850A (ko)
WO (1) WO1999062053A1 (ko)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6459914B1 (en) * 1998-05-27 2002-10-01 Telefonaktiebolaget Lm Ericsson (Publ) Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
SE517525C2 (sv) * 1999-09-07 2002-06-18 Ericsson Telefon Ab L M Förfarande och anordning för konstruktion av digitala filter
GB2358558B (en) * 2000-01-18 2003-10-15 Mitel Corp Packet loss compensation method using injection of spectrally shaped noise
JP4282227B2 (ja) * 2000-12-28 2009-06-17 日本電気株式会社 ノイズ除去の方法及び装置
EP1789956B1 (fr) * 2004-09-16 2010-08-04 France Telecom Procede de traitement d'un signal sonore bruite et dispositif pour la mise en oeuvre du procede
US7844059B2 (en) * 2005-03-16 2010-11-30 Microsoft Corporation Dereverberation of multi-channel audio streams
KR100684029B1 (ko) * 2005-09-13 2007-02-20 엘지전자 주식회사 푸리에 변환을 이용한 배음 생성 방법 및 이를 위한 장치,다운 샘플링에 의한 배음 생성 방법 및 이를 위한 장치와소리 보정 방법 및 이를 위한 장치
CN1822092B (zh) * 2006-03-28 2010-05-26 北京中星微电子有限公司 一种消除语音输入中背景噪声的方法及其装置
JP4493690B2 (ja) * 2007-11-30 2010-06-30 株式会社神戸製鋼所 目的音抽出装置，目的音抽出プログラム，目的音抽出方法
US9142221B2 (en) * 2008-04-07 2015-09-22 Cambridge Silicon Radio Limited Noise reduction
JP2010122617A (ja) 2008-11-21 2010-06-03 Yamaha Corp ノイズゲート、及び収音装置
CN101599274B (zh) * 2009-06-26 2012-03-28 瑞声声学科技(深圳)有限公司 语音增强的方法
US9208799B2 (en) * 2010-11-10 2015-12-08 Koninklijke Philips N.V. Method and device for estimating a pattern in a signal
WO2012128679A1 (en) * 2011-03-21 2012-09-27 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for damping dominant frequencies in an audio signal
MY167843A (en) * 2011-03-21 2018-09-26 Ericsson Telefon Ab L M Method and arrangement for damping of dominant frequencies in an audio signal
US9173025B2 (en) * 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US9384759B2 (en) * 2012-03-05 2016-07-05 Malaspina Labs (Barbados) Inc. Voice activity detection and pitch estimation
JP6064370B2 (ja) * 2012-05-29 2017-01-25 沖電気工業株式会社 雑音抑圧装置、方法及びプログラム
CN105137373B (zh) * 2015-07-23 2017-12-08 厦门大学 一种指数信号的去噪方法
WO2019213769A1 (en) 2018-05-09 2019-11-14 Nureva Inc. Method, apparatus, and computer-readable media utilizing residual echo estimate information to derive secondary echo reduction parameters
US10957342B2 (en) * 2019-01-16 2021-03-23 Cirrus Logic, Inc. Noise cancellation
CN111917926B (zh) * 2019-05-09 2021-08-06 上海触乐信息科技有限公司 一种通信终端中的回声消除方法、装置及终端设备
US10839821B1 (en) * 2019-07-23 2020-11-17 Bose Corporation Systems and methods for estimating noise
CN111161749B (zh) * 2019-12-26 2023-05-23 佳禾智能科技股份有限公司 可变帧长的拾音方法、电子设备、计算机可读存储介质
CN116368565A (zh) * 2020-11-26 2023-06-30 瑞典爱立信有限公司 使用噪声信号比的误差隐藏单元中的噪声抑制逻辑
KR20230018838A (ko) * 2021-07-30 2023-02-07 한국전자통신연구원 벡터 양자화된 잔여오차 특징을 사용한 오디오 부호화/복호화 장치 및 그 방법

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703507A (en) * 1984-04-05 1987-10-27 Holden Thomas W Noise reduction system
US4630304A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic background noise estimator for a noise suppression system
US4628529A (en) * 1985-07-01 1986-12-09 Motorola, Inc. Noise suppression system
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
JP2654942B2 (ja) * 1985-09-03 1997-09-17 モトロ−ラ・インコ−ポレ−テツド 音声通信装置及びその動作方法
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
IL84948A0 (en) * 1987-12-25 1988-06-30 D S P Group Israel Ltd Noise reduction system
US4852175A (en) * 1988-02-03 1989-07-25 Siemens Hearing Instr Inc Hearing aid signal-processing system
JP3410129B2 (ja) * 1992-12-25 2003-05-26 富士重工業株式会社 車室内騒音低減装置
US5432859A (en) * 1993-02-23 1995-07-11 Novatel Communications Ltd. Noise-reduction system
JP2576690B2 (ja) * 1993-03-11 1997-01-29 日本電気株式会社 ディジタル携帯電話機
DE4330243A1 (de) * 1993-09-07 1995-03-09 Philips Patentverwaltung Sprachverarbeitungseinrichtung
US5544250A (en) * 1994-07-18 1996-08-06 Motorola Noise suppression system and method therefor
US5687243A (en) * 1995-09-29 1997-11-11 Motorola, Inc. Noise suppression apparatus and method
DE69631955T2 (de) * 1995-12-15 2005-01-05 Koninklijke Philips Electronics N.V. Verfahren und schaltung zur adaptiven rauschunterdrückung und sendeempfänger
JPH09212196A (ja) * 1996-01-31 1997-08-15 Nippon Telegr & Teleph Corp <Ntt> 雑音抑圧装置
US5995567A (en) * 1996-04-19 1999-11-30 Texas Instruments Incorporated Radio frequency noise canceller
US5893056A (en) * 1997-04-17 1999-04-06 Northern Telecom Limited Methods and apparatus for generating noise signals from speech signals
US6070137A (en) * 1998-01-07 2000-05-30 Ericsson Inc. Integrated frequency-domain voice coding using an adaptive spectral enhancement filter
US6175602B1 (en) * 1998-05-27 2001-01-16 Telefonaktiebolaget Lm Ericsson (Publ) Signal noise reduction by spectral subtraction using linear convolution and casual filtering
US6459914B1 (en) * 1998-05-27 2002-10-01 Telefonaktiebolaget Lm Ericsson (Publ) Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
JP2003529960A (ja) * 1999-08-10 2003-10-07 テロジー ネットワークス インコーポレイテッド 背景エネルギ予測

Also Published As

Publication number Publication date
WO1999062053A1 (en) 1999-12-02
EE200000677A (et) 2002-04-15
HK1039649A1 (en) 2002-05-03
DE69911768D1 (de) 2003-11-06
ATE251328T1 (de) 2003-10-15
AU4664399A (en) 1999-12-13
BR9910740A (pt) 2001-02-13
EP1080463B1 (en) 2003-10-01
EP1080463A1 (en) 2001-03-07
KR100595799B1 (ko) 2006-07-03
MY119850A (en) 2005-07-29
HK1039649B (zh) 2004-12-03
CN1134766C (zh) 2004-01-14
JP2002517020A (ja) 2002-06-11
KR20010043833A (ko) 2001-05-25
CN1310840A (zh) 2001-08-29
IL139858A0 (en) 2002-02-10
US6459914B1 (en) 2002-10-01

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