SE501305C2 - Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler - Google Patents

Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler

Info

Publication number
SE501305C2
SE501305C2 SE9301798A SE9301798A SE501305C2 SE 501305 C2 SE501305 C2 SE 501305C2 SE 9301798 A SE9301798 A SE 9301798A SE 9301798 A SE9301798 A SE 9301798A SE 501305 C2 SE501305 C2 SE 501305C2
Authority
SE
Sweden
Prior art keywords
stationary
signal
background sound
buffer
energy
Prior art date
Application number
SE9301798A
Other languages
English (en)
Swedish (sv)
Other versions
SE9301798L (sv
SE9301798D0 (sv
Inventor
Karl Torbjoern 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
Priority to SE9301798A priority Critical patent/SE501305C2/sv
Publication of SE9301798D0 publication Critical patent/SE9301798D0/xx
Priority to SG1996000608A priority patent/SG46977A1/en
Priority to NZ266908A priority patent/NZ266908A/en
Priority to RU95107694A priority patent/RU2127912C1/ru
Priority to CA002139628A priority patent/CA2139628A1/en
Priority to PCT/SE1994/000443 priority patent/WO1994028542A1/en
Priority to ES94917227T priority patent/ES2141234T3/es
Priority to KR1019950700299A priority patent/KR100220377B1/ko
Priority to AU69016/94A priority patent/AU670383B2/en
Priority to EP94917227A priority patent/EP0653091B1/en
Priority to NZ286953A priority patent/NZ286953A/en
Priority to DE69421498T priority patent/DE69421498T2/de
Priority to TW083104232A priority patent/TW324123B/zh
Priority to CN94190318A priority patent/CN1046366C/zh
Priority to JP7500526A priority patent/JPH07509792A/ja
Priority to DK94917227T priority patent/DK0653091T3/da
Priority to US08/248,714 priority patent/US5579432A/en
Publication of SE9301798L publication Critical patent/SE9301798L/xx
Publication of SE501305C2 publication Critical patent/SE501305C2/sv
Priority to FI950311A priority patent/FI950311A/fi
Priority to AU48112/96A priority patent/AU681551B2/en
Priority to CN97101022A priority patent/CN1218945A/zh
Priority to HK98115224A priority patent/HK1013881A1/xx
Priority to GR990403198T priority patent/GR3032107T3/el

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)
SE9301798A 1993-05-26 1993-05-26 Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler SE501305C2 (sv)

Priority Applications (22)

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
DK94917227T DK0653091T3 (da) 1993-05-26 1994-05-11 Diskrimination imellem stationære og ikke-stationære signaler
NZ286953A NZ286953A (en) 1993-05-26 1994-05-11 Speech encoder/decoder: discriminating between speech and background sound
TW083104232A TW324123B (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals
RU95107694A RU2127912C1 (ru) 1993-05-26 1994-05-11 Способ обнаружения и кодирования и/или декодирования стационарных фоновых звуков и устройство для кодирования и/или декодирования стационарных фоновых звуков
CA002139628A CA2139628A1 (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals
PCT/SE1994/000443 WO1994028542A1 (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals
ES94917227T ES2141234T3 (es) 1993-05-26 1994-05-11 Discriminacion entre señales estacionarias y no estacionarias.
KR1019950700299A KR100220377B1 (ko) 1993-05-26 1994-05-11 정상신호와 비정상신호 판별방법 및 장치
AU69016/94A AU670383B2 (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals
EP94917227A EP0653091B1 (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals
SG1996000608A SG46977A1 (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals
DE69421498T DE69421498T2 (de) 1993-05-26 1994-05-11 Unterscheidung zwischen stationären und nicht-stationären signalen
NZ266908A NZ266908A (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals in mobile radio
CN94190318A CN1046366C (zh) 1993-05-26 1994-05-11 静态和非静态信号的鉴别
JP7500526A JPH07509792A (ja) 1993-05-26 1994-05-11 定常信号と非定常信号との識別
US08/248,714 US5579432A (en) 1993-05-26 1994-05-25 Discriminating between stationary and non-stationary signals
FI950311A FI950311A (fi) 1993-05-26 1995-01-24 Stationaaristen ja ei-stationaaristen signaalien erottelu
AU48112/96A AU681551B2 (en) 1993-05-26 1996-03-14 Discriminating between stationary and non-stationary signals
CN97101022A CN1218945A (zh) 1993-05-26 1997-01-06 静态和非静态信号的鉴别
HK98115224A HK1013881A1 (en) 1993-05-26 1998-12-23 Discriminating between stationary and non-stationary signals
GR990403198T GR3032107T3 (en) 1993-05-26 1999-12-13 Discriminating between stationary and non-stationary signals.

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 (3)

Publication Number Publication Date
SE9301798D0 SE9301798D0 (sv) 1993-05-26
SE9301798L SE9301798L (sv) 1994-11-27
SE501305C2 true SE501305C2 (sv) 1995-01-09

Family

ID=20390059

Family Applications (1)

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

Country Status (19)

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

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 (en) 2007-03-05 2015-07-22 Telefonaktiebolaget LM Ericsson (publ) Method and arrangement for smoothing of stationary background noise
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 (en) * 1988-03-11 1993-11-24 BRITISH TELECOMMUNICATIONS public limited company Voice activity detection
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 (en) * 1991-10-25 1993-04-28 International Business Machines Corporation Method for detecting voice presence on a communication line
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 (en) 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 (en) 1995-05-17
CN1110070A (zh) 1995-10-11
AU670383B2 (en) 1996-07-11
KR100220377B1 (ko) 1999-09-15
NZ266908A (en) 1997-03-24
SG46977A1 (en) 1998-03-20
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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