EE200000678A - Signaali-müra suhte vähendamine spektraalse lahutamise abil, kasutades lineaarset konvolutsiooni jakausaalset filtreerimist - Google Patents

Signaali-müra suhte vähendamine spektraalse lahutamise abil, kasutades lineaarset konvolutsiooni jakausaalset filtreerimist

Info

Publication number
EE200000678A
EE200000678A EEP200000678A EEP200000678A EE200000678A EE 200000678 A EE200000678 A EE 200000678A EE P200000678 A EEP200000678 A EE P200000678A EE P200000678 A EEP200000678 A EE P200000678A EE 200000678 A EE200000678 A EE 200000678A
Authority
EE
Estonia
Prior art keywords
spectral subtraction
gain function
low order
noise reduction
spectrum
Prior art date
Application number
EEP200000678A
Other languages
English (en)
Estonian (et)
Inventor
Gustafsson Harald
Claesson Ingvar
Nordholm Sven
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of EE200000678A publication Critical patent/EE200000678A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Noise Elimination (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Processing Of Color Television Signals (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Telephone Function (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
EEP200000678A 1998-05-27 1999-05-27 Signaali-müra suhte vähendamine spektraalse lahutamise abil, kasutades lineaarset konvolutsiooni jakausaalset filtreerimist EE200000678A (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/084,387 US6175602B1 (en) 1998-05-27 1998-05-27 Signal noise reduction by spectral subtraction using linear convolution and casual filtering
PCT/SE1999/000899 WO1999062054A1 (en) 1998-05-27 1999-05-27 Signal noise reduction by spectral subtraction using linear convolution and causal filtering

Publications (1)

Publication Number Publication Date
EE200000678A true EE200000678A (et) 2002-04-15

Family

ID=22184655

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP200000678A EE200000678A (et) 1998-05-27 1999-05-27 Signaali-müra suhte vähendamine spektraalse lahutamise abil, kasutades lineaarset konvolutsiooni jakausaalset filtreerimist

Country Status (14)

Country Link
US (1) US6175602B1 (de)
EP (1) EP1080465B1 (de)
JP (1) JP4402295B2 (de)
KR (1) KR100594563B1 (de)
CN (1) CN1145931C (de)
AT (1) ATE231644T1 (de)
AU (1) AU756511B2 (de)
BR (1) BR9910704A (de)
DE (1) DE69905035T2 (de)
EE (1) EE200000678A (de)
HK (1) HK1039996B (de)
IL (1) IL139653A (de)
MY (1) MY120810A (de)
WO (1) WO1999062054A1 (de)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6510408B1 (en) * 1997-07-01 2003-01-21 Patran Aps Method of noise reduction in speech signals and an apparatus for performing the method
US6549586B2 (en) 1999-04-12 2003-04-15 Telefonaktiebolaget L M Ericsson System and method for dual microphone signal noise reduction using spectral subtraction
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
US6697654B2 (en) * 1999-07-22 2004-02-24 Sensys Medical, Inc. Targeted interference subtraction applied to near-infrared measurement of analytes
US7117149B1 (en) * 1999-08-30 2006-10-03 Harman Becker Automotive Systems-Wavemakers, Inc. Sound source classification
DE10017646A1 (de) * 2000-04-08 2001-10-11 Alcatel Sa Geräuschunterdrückung im Zeitbereich
US6359773B1 (en) * 2000-08-24 2002-03-19 Inventec Corporation Portable data processing device
US6463408B1 (en) 2000-11-22 2002-10-08 Ericsson, Inc. Systems and methods for improving power spectral estimation of speech signals
JP2002221988A (ja) * 2001-01-25 2002-08-09 Toshiba Corp 音声信号の雑音抑圧方法と装置及び音声認識装置
KR20030009516A (ko) * 2001-04-09 2003-01-29 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 스피치 향상 장치
DE10150519B4 (de) * 2001-10-12 2014-01-09 Hewlett-Packard Development Co., L.P. Verfahren und Anordnung zur Sprachverarbeitung
AU2003210111A1 (en) * 2002-01-07 2003-07-24 Ronald L. Meyer Microphone support system
CA2506700C (en) * 2002-10-04 2013-05-21 Sigtec Navigation Pty Ltd Satellite-based positioning system improvement
US7725315B2 (en) * 2003-02-21 2010-05-25 Qnx Software Systems (Wavemakers), Inc. Minimization of transient noises in a voice signal
US7949522B2 (en) * 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US8073689B2 (en) * 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US8271279B2 (en) 2003-02-21 2012-09-18 Qnx Software Systems Limited Signature noise removal
US7885420B2 (en) * 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US7895036B2 (en) * 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US7480595B2 (en) * 2003-08-11 2009-01-20 Japan Science And Technology Agency System estimation method and program, recording medium, and system estimation device
KR100644627B1 (ko) * 2004-09-14 2006-11-10 삼성전자주식회사 음장 제어 정보 부호화 방법 및 이에 적합한 음장 처리 방법
ATE476733T1 (de) * 2004-09-16 2010-08-15 France Telecom Verfahren zum verarbeiten eines rauschbehafteten tonsignals und einrichtung zur implementierung des verfahrens
US8170879B2 (en) * 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US8543390B2 (en) * 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US8306821B2 (en) * 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US7949520B2 (en) * 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US7610196B2 (en) * 2004-10-26 2009-10-27 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7716046B2 (en) * 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
US8284947B2 (en) * 2004-12-01 2012-10-09 Qnx Software Systems Limited Reverberation estimation and suppression system
US8027833B2 (en) 2005-05-09 2011-09-27 Qnx Software Systems Co. System for suppressing passing tire hiss
AU2006247597B2 (en) * 2005-05-13 2010-02-11 Bio-Rad Laboratories, Inc. Identifying statistically linear data
US7676046B1 (en) 2005-06-09 2010-03-09 The United States Of America As Represented By The Director Of The National Security Agency Method of removing noise and interference from signal
US7492814B1 (en) 2005-06-09 2009-02-17 The U.S. Government As Represented By The Director Of The National Security Agency Method of removing noise and interference from signal using peak picking
US8170875B2 (en) 2005-06-15 2012-05-01 Qnx Software Systems Limited Speech end-pointer
US8311819B2 (en) 2005-06-15 2012-11-13 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
DE102005039621A1 (de) 2005-08-19 2007-03-01 Micronas Gmbh Verfahren und Vorrichtung zur adaptiven Reduktion von Rausch- und Hintergrundsignalen in einem sprachverarbeitenden System
JP4750592B2 (ja) * 2006-03-17 2011-08-17 富士通株式会社 ピーク抑圧方法、ピーク抑圧装置、無線送信装置
US7844453B2 (en) 2006-05-12 2010-11-30 Qnx Software Systems Co. Robust noise estimation
US8326620B2 (en) 2008-04-30 2012-12-04 Qnx Software Systems Limited Robust downlink speech and noise detector
US8335685B2 (en) * 2006-12-22 2012-12-18 Qnx Software Systems Limited Ambient noise compensation system robust to high excitation noise
US20080231557A1 (en) * 2007-03-20 2008-09-25 Leadis Technology, Inc. Emission control in aged active matrix oled display using voltage ratio or current ratio
US20080312916A1 (en) * 2007-06-15 2008-12-18 Mr. Alon Konchitsky Receiver Intelligibility Enhancement System
US8868417B2 (en) * 2007-06-15 2014-10-21 Alon Konchitsky Handset intelligibility enhancement system using adaptive filters and signal buffers
US8868418B2 (en) * 2007-06-15 2014-10-21 Alon Konchitsky Receiver intelligibility enhancement system
US8904400B2 (en) * 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8209514B2 (en) * 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning
JP2010122617A (ja) 2008-11-21 2010-06-03 Yamaha Corp ノイズゲート、及び収音装置
US20100239110A1 (en) * 2009-03-17 2010-09-23 Temic Automotive Of North America, Inc. Systems and Methods for Optimizing an Audio Communication System
EP2451359B1 (de) * 2009-07-07 2017-09-06 Koninklijke Philips N.V. Rauschverminderung von atemsignalen
CN101860774B (zh) * 2010-05-31 2014-03-05 中山大学 一种能够自动修复声音的语音设备及方法
DE112011104737B4 (de) * 2011-01-19 2015-06-03 Mitsubishi Electric Corporation Geräuschunterdrückungsvorrichtung
US9159336B1 (en) * 2013-01-21 2015-10-13 Rawles Llc Cross-domain filtering for audio noise reduction
JP6337519B2 (ja) * 2014-03-03 2018-06-06 富士通株式会社 音声処理装置、雑音抑圧方法、およびプログラム
US9721584B2 (en) 2014-07-14 2017-08-01 Intel IP Corporation Wind noise reduction for audio reception
GB2558529A (en) * 2016-09-11 2018-07-18 Continental automotive systems inc Dynamically increased noise suppression based on input noise characteristics
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
US10894512B2 (en) 2019-04-11 2021-01-19 Gregory J. Phillips Side-facing side view mirror brake lights
ES2928295T3 (es) * 2020-02-14 2022-11-16 System One Noc & Dev Solutions S A Método de mejora de las señales de voz telefónica basado en redes neuronales convolucionales
US20210012767A1 (en) * 2020-09-25 2021-01-14 Intel Corporation Real-time dynamic noise reduction using convolutional networks

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630304A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic background noise estimator for a noise suppression system
IL84948A0 (en) * 1987-12-25 1988-06-30 D S P Group Israel Ltd Noise reduction system
US5432859A (en) * 1993-02-23 1995-07-11 Novatel Communications Ltd. Noise-reduction system
US5400299A (en) 1993-08-20 1995-03-21 Exxon Production Research Company Seismic vibrator signature deconvolution
JP3484757B2 (ja) * 1994-05-13 2004-01-06 ソニー株式会社 音声信号の雑音低減方法及び雑音区間検出方法
US5706395A (en) * 1995-04-19 1998-01-06 Texas Instruments Incorporated Adaptive weiner filtering using a dynamic suppression factor
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
JPH09212196A (ja) * 1996-01-31 1997-08-15 Nippon Telegr & Teleph Corp <Ntt> 雑音抑圧装置
KR100250561B1 (ko) * 1996-08-29 2000-04-01 니시무로 타이죠 잡음소거기 및 이 잡음소거기를 사용한 통신장치
US5933495A (en) * 1997-02-07 1999-08-03 Texas Instruments Incorporated Subband acoustic noise suppression

Also Published As

Publication number Publication date
MY120810A (en) 2005-11-30
JP4402295B2 (ja) 2010-01-20
KR20010043837A (ko) 2001-05-25
HK1039996B (zh) 2005-02-18
IL139653A0 (en) 2002-02-10
DE69905035D1 (de) 2003-02-27
ATE231644T1 (de) 2003-02-15
DE69905035T2 (de) 2003-08-21
IL139653A (en) 2005-06-19
WO1999062054A1 (en) 1999-12-02
EP1080465B1 (de) 2003-01-22
US6175602B1 (en) 2001-01-16
KR100594563B1 (ko) 2006-06-30
CN1145931C (zh) 2004-04-14
AU4664499A (en) 1999-12-13
BR9910704A (pt) 2001-01-30
CN1311891A (zh) 2001-09-05
JP2002517021A (ja) 2002-06-11
HK1039996A1 (en) 2002-05-17
EP1080465A1 (de) 2001-03-07
AU756511B2 (en) 2003-01-16

Similar Documents

Publication Publication Date Title
EE200000678A (et) Signaali-müra suhte vähendamine spektraalse lahutamise abil, kasutades lineaarset konvolutsiooni jakausaalset filtreerimist
JP4279357B2 (ja) 特に補聴器における雑音を低減する装置および方法
CA2319995C (en) Method and apparatus for suppressing audible noise in speech transmission
CN110832581B (zh) 用于使用瞬态位置检测后处理音频信号的装置
CA2346251C (en) A method and system for updating noise estimates during pauses in an information signal
KR101149591B1 (ko) 오디오 신호 반향 억제
MY124883A (en) &#34;system and method for dual microphone signal noise reduction using spectral subtraction&#34;
EE200000677A (et) Signaali müra vähendamine spektraalse lahutamise abil, kasutades spektrist sõltuva eksponentsiaalsevõimendusfunktsiooni keskmistamist
FI961158A0 (fi) Puheaktiivisuuden ilmaisin
MY123423A (en) System and method for dual microphone signal noise reduction using spectral substraction
JP2002519719A (ja) 重み付け利得平滑化手段を含むノイズサプレッサ
JPH06500217A (ja) 静的干渉キヤンセラ
JPH08223049A (ja) 信号符号化方法及び装置、信号復号化方法及び装置、情報記録媒体並びに情報伝送方法
CA2413867A1 (en) Noise reduction method and apparatus
KR100239167B1 (ko) 오디오 신호의 음조를 결정하기 위한 방법 및 장치
MY124031A (en) Signal noise reduction by time-domain spectral substraction.
KR970063031A (ko) 음성합성방법 및 장치
EP1278185A3 (de) Verfahren zur Verbesserung von Geräuschunterdrückung bei der Sprachübertragung
CN110709926A (zh) 用于使用基于预测的整形后处理音频信号的装置和方法
KR970078175A (ko) 디지털신호 처리장치
JP2599688B2 (ja) 総合マスキング閾値を決定する方法
JPH08265208A (ja) ノイズキャンセラ
KR100731546B1 (ko) 다운믹스 오디오 신호로부터 분리되는 각 출력 채널의스펙트럼 보상 방법 및 장치
JP3342740B2 (ja) 雑音環境下で使用する音声認識装置
Yanpu et al. Speech Enhancement Analysis based on Audible Distortion Criteria