SG46977A1 - Discriminating between stationary and non-stationary signals - Google Patents

Discriminating between stationary and non-stationary signals

Info

Publication number
SG46977A1
SG46977A1 SG1996000608A SG1996000608A SG46977A1 SG 46977 A1 SG46977 A1 SG 46977A1 SG 1996000608 A SG1996000608 A SG 1996000608A SG 1996000608 A SG1996000608 A SG 1996000608A SG 46977 A1 SG46977 A1 SG 46977A1
Authority
SG
Singapore
Prior art keywords
stationary
discriminating
signals
stationary signals
Prior art date
Application number
SG1996000608A
Other languages
English (en)
Inventor
Carl Torbjorn Wigren
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 SG46977A1 publication Critical patent/SG46977A1/en

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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • G10L19/04—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 predictive techniques
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Circuits Of Receivers In General (AREA)
SG1996000608A 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals SG46977A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9301798A SE501305C2 (sv) 1993-05-26 1993-05-26 Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler

Publications (1)

Publication Number Publication Date
SG46977A1 true SG46977A1 (en) 1998-03-20

Family

ID=20390059

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996000608A SG46977A1 (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals

Country Status (19)

Country Link
US (1) US5579432A (de)
EP (1) EP0653091B1 (de)
JP (1) JPH07509792A (de)
KR (1) KR100220377B1 (de)
CN (2) CN1046366C (de)
AU (2) AU670383B2 (de)
CA (1) CA2139628A1 (de)
DE (1) DE69421498T2 (de)
DK (1) DK0653091T3 (de)
ES (1) ES2141234T3 (de)
FI (1) FI950311A (de)
GR (1) GR3032107T3 (de)
HK (1) HK1013881A1 (de)
NZ (1) NZ266908A (de)
RU (1) RU2127912C1 (de)
SE (1) SE501305C2 (de)
SG (1) SG46977A1 (de)
TW (1) TW324123B (de)
WO (1) WO1994028542A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317084B (en) * 1995-04-28 2000-01-19 Northern Telecom Ltd Methods and apparatus for distinguishing speech intervals from noise intervals in audio signals
AUPO170196A0 (en) * 1996-08-16 1996-09-12 University Of Alberta A finite-dimensional filter
US6058359A (en) * 1998-03-04 2000-05-02 Telefonaktiebolaget L M Ericsson Speech coding including soft adaptability feature
WO2001084536A1 (de) 2000-04-28 2001-11-08 Deutsche Telekom Ag Verfahren zur berechnung einer sprachaktivitätsentscheidung (voice activity detector)
DE10026904A1 (de) 2000-04-28 2002-01-03 Deutsche Telekom Ag Verfahren zur Berechnung des die Lautstärke mitbestimmenden Verstärkungsfaktors für ein codiert übertragenes Sprachsignal
JP3812887B2 (ja) * 2001-12-21 2006-08-23 富士通株式会社 信号処理システムおよび方法
CA2420129A1 (en) * 2003-02-17 2004-08-17 Catena Networks, Canada, Inc. A method for robustly detecting voice activity
JP5198477B2 (ja) 2007-03-05 2013-05-15 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 定常的な背景雑音の平滑化を制御するための方法及び装置
EP2132731B1 (de) 2007-03-05 2015-07-22 Telefonaktiebolaget LM Ericsson (publ) Verfahren und anordnung zur glättung von stationärem hintergrundrauschen
CN101308651B (zh) * 2007-05-17 2011-05-04 展讯通信（上海）有限公司 音频暂态信号的检测方法
CN101546556B (zh) * 2008-03-28 2011-03-23 展讯通信（上海）有限公司 用于音频内容识别的分类系统
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
CA2929800C (en) 2010-12-29 2017-12-19 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding for high-frequency bandwidth extension
US10218327B2 (en) * 2011-01-10 2019-02-26 Zhinian Jing Dynamic enhancement of audio (DAE) in headset systems
US10325588B2 (en) 2017-09-28 2019-06-18 International Business Machines Corporation Acoustic feature extractor selected according to status flag of frame of acoustic signal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544919A (en) * 1982-01-03 1985-10-01 Motorola, Inc. Method and means of determining coefficients for linear predictive coding
GB2137791B (en) * 1982-11-19 1986-02-26 Secr Defence Noise compensating spectral distance processor
DE3370423D1 (en) * 1983-06-07 1987-04-23 Ibm Process for activity detection in a voice transmission system
EP0335521B1 (de) * 1988-03-11 1993-11-24 BRITISH TELECOMMUNICATIONS public limited company Detektion für die Anwesenheit eines Sprachsignals
US5276765A (en) * 1988-03-11 1994-01-04 British Telecommunications Public Limited Company Voice activity detection
GB2239971B (en) * 1989-12-06 1993-09-29 Ca Nat Research Council System for separating speech from background noise
EP0538536A1 (de) * 1991-10-25 1993-04-28 International Business Machines Corporation Detektion für die Anwesenheit eines Sprachsignals
SE470577B (sv) * 1993-01-29 1994-09-19 Ericsson Telefon Ab L M Förfarande och anordning för kodning och/eller avkodning av bakgrundsljud
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise

Also Published As

Publication number Publication date
HK1013881A1 (en) 1999-09-10
EP0653091B1 (de) 1999-11-03
AU6901694A (en) 1994-12-20
SE9301798L (sv) 1994-11-27
KR950702732A (ko) 1995-07-29
CN1046366C (zh) 1999-11-10
ES2141234T3 (es) 2000-03-16
CN1218945A (zh) 1999-06-09
FI950311A0 (fi) 1995-01-24
SE9301798D0 (sv) 1993-05-26
US5579432A (en) 1996-11-26
FI950311A (fi) 1995-01-24
DE69421498T2 (de) 2000-07-13
EP0653091A1 (de) 1995-05-17
CN1110070A (zh) 1995-10-11
AU670383B2 (en) 1996-07-11
KR100220377B1 (ko) 1999-09-15
SE501305C2 (sv) 1995-01-09
NZ266908A (en) 1997-03-24
WO1994028542A1 (en) 1994-12-08
AU681551B2 (en) 1997-08-28
DE69421498D1 (de) 1999-12-09
TW324123B (en) 1998-01-01
DK0653091T3 (da) 2000-01-03
RU2127912C1 (ru) 1999-03-20
AU4811296A (en) 1996-05-23
GR3032107T3 (en) 2000-03-31
CA2139628A1 (en) 1994-12-08
JPH07509792A (ja) 1995-10-26

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