SG47396A1 - Discriminating between stationary and non-stationary signals - Google Patents

Discriminating between stationary and non-stationary signals

Info

Publication number: SG47396A1
Authority: SG; Singapore
Prior art keywords: stationary; discriminating; signals; stationary signals
Prior art date: 1993-11-02

Application number

SG1996000516A

Other languages

English (en)

Inventor

Klas Fredrik Janis Jansson

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.)

1993-11-02

Filing date

1994-10-19

Publication date

1998-04-17

1994-10-19 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

1998-04-17 Publication of SG47396A1 publication Critical patent/SG47396A1/en

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
- 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
- G10L19/012—Comfort noise or silence coding
- 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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- 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
- G10L2025/783—Detection of presence or absence of voice signals based on threshold decision

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Physics & Mathematics (AREA)
Computational Linguistics (AREA)
Computer Networks & Wireless Communication (AREA)
Mobile Radio Communication Systems (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Monitoring And Testing Of Transmission In General (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Inspection Of Paper Currency And Valuable Securities (AREA)
Transmission And Conversion Of Sensor Element Output (AREA)
Radar Systems Or Details Thereof (AREA)

SG1996000516A 1993-11-02 1994-10-19 Discriminating between stationary and non-stationary signals SG47396A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9303613A SE501981C2 (sv)	1993-11-02	1993-11-02	Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler

Publications (1)

Publication Number	Publication Date
SG47396A1 true SG47396A1 (en)	1998-04-17

Family

ID=20391616

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SG1996000516A SG47396A1 (en)	1993-11-02	1994-10-19	Discriminating between stationary and non-stationary signals

Country Status (19)

Country	Link
US (1)	US5579435A (sv)
EP (1)	EP0677202B1 (sv)
JP (1)	JPH08505715A (sv)
KR (1)	KR100278423B1 (sv)
CN (1)	CN1064771C (sv)
AU (1)	AU672934B2 (sv)
CA (1)	CA2151398A1 (sv)
DE (1)	DE69416668T2 (sv)
DK (1)	DK0677202T3 (sv)
ES (1)	ES2131295T3 (sv)
FI (1)	FI953261A0 (sv)
GR (1)	GR3029730T3 (sv)
HK (1)	HK1014070A1 (sv)
MY (1)	MY113291A (sv)
NZ (1)	NZ275905A (sv)
SE (1)	SE501981C2 (sv)
SG (1)	SG47396A1 (sv)
TW (1)	TW303453B (sv)
WO (1)	WO1995012879A1 (sv)

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WO1996034382A1 (en) *	1995-04-28	1996-10-31	Northern Telecom Limited	Methods and apparatus for distinguishing speech intervals from noise intervals in audio signals
FI105001B (sv) *	1995-06-30	2000-05-15	Nokia Mobile Phones Ltd	Förfarande för utredning av väntetiden i en talavkodare i diskontinuerlig sändning och en talavkodare samt en sändare-mottagare
JPH0990974A (ja) *	1995-09-25	1997-04-04	Nippon Telegr & Teleph Corp <Ntt>	信号処理方法
FR2739995B1 (fr) *	1995-10-13	1997-12-12	Massaloux Dominique	Procede et dispositif de creation d'un bruit de confort dans un systeme de transmission numerique de parole
SE506034C2 (sv)	1996-02-01	1997-11-03	Ericsson Telefon Ab L M	Förfarande och anordning för förbättring av parametrar representerande brusigt tal
US6708146B1 (en) *	1997-01-03	2004-03-16	Telecommunications Research Laboratories	Voiceband signal classifier
FR2762464B1 (fr) *	1997-04-16	1999-06-25	France Telecom	Procede et dispositif de codage d'un signal audiofrequence par analyse lpc "avant" et "arriere"
US6453285B1 (en) *	1998-08-21	2002-09-17	Polycom, Inc.	Speech activity detector for use in noise reduction system, and methods therefor
US7124079B1 (en) *	1998-11-23	2006-10-17	Telefonaktiebolaget Lm Ericsson (Publ)	Speech coding with comfort noise variability feature for increased fidelity
US6662155B2 (en) *	2000-11-27	2003-12-09	Nokia Corporation	Method and system for comfort noise generation in speech communication
FI20010235A (sv) *	2001-02-08	2002-08-09	Nokia Corp	Förfarande för att behandla informationsramar
US6721547B2 (en) *	2001-05-04	2004-04-13	Atheros Communications, Inc.	In-band and out-of-band signal detection for automatic gain calibration systems
US6785523B2 (en) *	2001-05-04	2004-08-31	Atheros Communications, Inc.	Self-correlation detection in automatic gain calibration
SE521600C2 (sv) *	2001-12-04	2003-11-18	Global Ip Sound Ab	Lågbittaktskodek
EP1484841B1 (en) *	2002-03-08	2018-12-26	Nippon Telegraph And Telephone Corporation	DIGITAL SIGNAL ENCODING METHOD, DECODING METHOD, ENCODING DEVICE, DECODING DEVICE and DIGITAL SIGNAL DECODING PROGRAM
JP3879922B2 (ja) *	2002-09-12	2007-02-14	ソニー株式会社	信号処理システム、信号処理装置および方法、記録媒体、並びにプログラム
EP1557820B1 (en) *	2004-01-22	2006-10-18	Siemens S.p.A.	Voice activity detection operating with compressed speech signal parameters
US7649988B2 (en)	2004-06-15	2010-01-19	Acoustic Technologies, Inc.	Comfort noise generator using modified Doblinger noise estimate
JP4298672B2 (ja) *	2005-04-11	2009-07-22	キヤノン株式会社	混合分布ｈｍｍの状態の出力確率計算方法および装置
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
US8483854B2 (en)	2008-01-28	2013-07-09	Qualcomm Incorporated	Systems, methods, and apparatus for context processing using multiple microphones
JP5293817B2 (ja)	2009-06-19	2013-09-18	富士通株式会社	音声信号処理装置及び音声信号処理方法
EP2495721B1 (en) *	2009-10-26	2018-05-30	III Holdings 12, LLC	Tone determination device and method
JP5870476B2 (ja)	2010-08-04	2016-03-01	富士通株式会社	雑音推定装置、雑音推定方法および雑音推定プログラム
US10218327B2 (en) *	2011-01-10	2019-02-26	Zhinian Jing	Dynamic enhancement of audio (DAE) in headset systems
US9240191B2 (en) *	2011-04-28	2016-01-19	Telefonaktiebolaget L M Ericsson (Publ)	Frame based audio signal classification
US11189303B2 (en) *	2017-09-25	2021-11-30	Cirrus Logic, Inc.	Persistent interference detection
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 (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
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
US4764966A (en) *	1985-10-11	1988-08-16	International Business Machines Corporation	Method and apparatus for voice detection having adaptive sensitivity
PT89978B (pt) *	1988-03-11	1995-03-01	British Telecomm	Aparelho detector da actividade vocal e aparelho telefonico movel que o contem
GB2239971B (en) *	1989-12-06	1993-09-29	Ca Nat Research Council	System for separating speech from background noise
JP3277398B2 (ja) *	1992-04-15	2002-04-22	ソニー株式会社	有声音判別方法
US5485522A (en) *	1993-09-29	1996-01-16	Ericsson Ge Mobile Communications, Inc.	System for adaptively reducing noise in speech signals

1993
- 1993-11-02 SE SE9303613A patent/SE501981C2/sv not_active IP Right Cessation
1994
- 1994-10-18 TW TW083109660A patent/TW303453B/zh active
- 1994-10-19 AU AU81186/94A patent/AU672934B2/en not_active Ceased
- 1994-10-19 DE DE69416668T patent/DE69416668T2/de not_active Expired - Fee Related
- 1994-10-19 JP JP7513159A patent/JPH08505715A/ja active Pending
- 1994-10-19 KR KR1019950702720A patent/KR100278423B1/ko not_active IP Right Cessation
- 1994-10-19 SG SG1996000516A patent/SG47396A1/en unknown
- 1994-10-19 NZ NZ275905A patent/NZ275905A/en unknown
- 1994-10-19 EP EP95900333A patent/EP0677202B1/en not_active Expired - Lifetime
- 1994-10-19 ES ES95900333T patent/ES2131295T3/es not_active Expired - Lifetime
- 1994-10-19 DK DK95900333T patent/DK0677202T3/da active
- 1994-10-19 WO PCT/SE1994/000986 patent/WO1995012879A1/en active IP Right Grant
- 1994-10-19 CN CN94190854A patent/CN1064771C/zh not_active Expired - Fee Related
- 1994-10-19 CA CA002151398A patent/CA2151398A1/en not_active Abandoned
- 1994-10-26 MY MYPI94002839A patent/MY113291A/en unknown
- 1994-11-01 US US08/332,740 patent/US5579435A/en not_active Expired - Fee Related
1995
- 1995-06-30 FI FI953261A patent/FI953261A0/sv unknown
1998
- 1998-12-21 HK HK98114522A patent/HK1014070A1/xx not_active IP Right Cessation
1999
- 1999-03-19 GR GR990400815T patent/GR3029730T3/el unknown

Also Published As

Publication number	Publication date
DE69416668D1 (de)	1999-04-01
ES2131295T3 (es)	1999-07-16
KR960700497A (ko)	1996-01-20
MY113291A (en)	2002-01-31
NZ275905A (en)	1996-11-26
AU8118694A (en)	1995-05-23
KR100278423B1 (ko)	2001-01-15
EP0677202B1 (en)	1999-02-24
GR3029730T3 (en)	1999-06-30
CN1064771C (zh)	2001-04-18
US5579435A (en)	1996-11-26
SE501981C2 (sv)	1995-07-03
EP0677202A1 (en)	1995-10-18
WO1995012879A1 (en)	1995-05-11
AU672934B2 (en)	1996-10-17
TW303453B (sv)	1997-04-21
DK0677202T3 (da)	1999-09-27
DE69416668T2 (de)	1999-07-22
SE9303613D0 (sv)	1993-11-02
HK1014070A1 (en)	1999-09-17
SE9303613L (sv)	1995-05-03
FI953261A (sv)	1995-06-30
CN1116011A (zh)	1996-01-31
JPH08505715A (ja)	1996-06-18
CA2151398A1 (en)	1995-05-11
FI953261A0 (sv)	1995-06-30

Publication	Publication Date	Title
SG47396A1 (en)	1998-04-17	Discriminating between stationary and non-stationary signals
GB2277239B (en)	1997-08-27	Processing audio signals
EP0440920A3 (en)	1992-08-05	Interference detection and reduction
IL116167A0 (en)	1996-01-31	Wide and frequency signal digitizer
SG46977A1 (en)	1998-03-20	Discriminating between stationary and non-stationary signals
GB2269509B (en)	1996-03-20	Discriminating audio signals
AU4001689A (en)	1990-03-22	False alarm minimization and direction determination methods
SG47934A1 (en)	1998-04-17	Detection and identefication mycobacteria
GB9204763D0 (en)	1992-04-15	Signal processing arrangements
EP0467661A3 (en)	1992-07-15	Signal processing and recognition
GB2281830B (en)	1998-08-12	I/q-modulator and i/q-demodulator
GB9308663D0 (en)	1993-06-16	Point of incidence detection
GB8911555D0 (en)	1989-07-05	Ribosomal frame-shift signals and uses
GB9307034D0 (en)	1993-05-26	Excess-temperature detection arrangement
EP0651519A3 (en)	1995-08-16	Interference detection and reduction method and circuit.
GB9312049D0 (en)	1993-07-28	Speech detection system
GB2279193B (en)	1997-12-17	Signal processing
GB9425328D0 (en)	1995-02-15	Signal processing
GB9410164D0 (en)	1994-11-30	Signal processing
GB9520287D0 (en)	1995-12-06	Signal classification
ZA9510950B (en)	1996-07-08	Detection of movement
GB9319683D0 (en)	1993-11-10	Detection
GB9322707D0 (en)	1994-02-16	Scrambling speech signals
GB9426378D0 (en)	1995-03-01	Signal processing
GB9426274D0 (en)	1995-02-22	Signal processing