CA1336208C - Detecteur vocal a seuil adaptatif - Google Patents

Detecteur vocal a seuil adaptatif

Info

Publication number: CA1336208C
Authority: CA; Canada
Prior art keywords: frames; calculating; value; speech; present
Prior art date: 1987-04-03
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

CA000562765A

Other languages

English (en)

Inventor

David Lynn Thomson

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

AT&T Corp

Original Assignee

American Telephone and Telegraph Co Inc

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.)

1987-04-03

Filing date

1988-03-29

Publication date

1995-07-04

1988-03-29 Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc

1995-07-04 Application granted granted Critical

1995-07-04 Publication of CA1336208C publication Critical patent/CA1336208C/fr

2012-07-04 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

230000003044 adaptive effect Effects 0.000 title description 8
238000000034 method Methods 0.000 claims description 15
238000012549 training Methods 0.000 claims description 4
238000007476 Maximum Likelihood Methods 0.000 claims description 3
238000004364 calculation method Methods 0.000 abstract description 7
238000001514 detection method Methods 0.000 description 2
238000012545 processing Methods 0.000 description 2
238000012935 Averaging Methods 0.000 description 1
101150105088 Dele1 gene Proteins 0.000 description 1
YFONKFDEZLYQDH-OPQQBVKSSA-N N-[(1R,2S)-2,6-dimethyindan-1-yl]-6-[(1R)-1-fluoroethyl]-1,3,5-triazine-2,4-diamine Chemical compound C[C@@H](F)C1=NC(N)=NC(N[C@H]2C3=CC(C)=CC=C3C[C@@H]2C)=N1 YFONKFDEZLYQDH-OPQQBVKSSA-N 0.000 description 1
230000006978 adaptation Effects 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000004836 empirical method Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000003909 pattern recognition Methods 0.000 description 1
238000005070 sampling Methods 0.000 description 1
238000007619 statistical method Methods 0.000 description 1
238000012360 testing method Methods 0.000 description 1
SYOKIDBDQMKNDQ-XWTIBIIYSA-N vildagliptin Chemical compound C1C(O)(C2)CC(C3)CC1CC32NCC(=O)N1CCC[C@H]1C#N SYOKIDBDQMKNDQ-XWTIBIIYSA-N 0.000 description 1

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
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Multimedia (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Computational Linguistics (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Radio Relay Systems (AREA)
Oscillators With Electromechanical Resonators (AREA)
Interface Circuits In Exchanges (AREA)
Radar Systems Or Details Thereof (AREA)
Telephonic Communication Services (AREA)

CA000562765A 1987-04-03 1988-03-29 Detecteur vocal a seuil adaptatif Expired - Fee Related CA1336208C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US3429887A	1987-04-03	1987-04-03
US034,298		1987-04-03

Publications (1)

Publication Number	Publication Date
CA1336208C true CA1336208C (fr)	1995-07-04

Family

ID=21875533

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000562765A Expired - Fee Related CA1336208C (fr)	1987-04-03	1988-03-29	Detecteur vocal a seuil adaptatif

Country Status (9)

Country	Link
EP (1)	EP0309561B1 (fr)
JP (1)	JPH0795239B2 (fr)
AT (1)	ATE83329T1 (fr)
AU (1)	AU598933B2 (fr)
CA (1)	CA1336208C (fr)
DE (1)	DE3876569T2 (fr)
HK (1)	HK21794A (fr)
SG (1)	SG60993G (fr)
WO (1)	WO1988007739A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0795237B2 (ja) *	1987-04-03	1995-10-11	アメリカンテレフォンアンドテレグラフカムパニー	適応多変数推定装置
US5195138A (en) *	1990-01-18	1993-03-16	Matsushita Electric Industrial Co., Ltd.	Voice signal processing device
US5204906A (en) *	1990-02-13	1993-04-20	Matsushita Electric Industrial Co., Ltd.	Voice signal processing device
KR950013553B1 (ko) *	1990-05-28	1995-11-08	마쯔시다덴기산교 가부시기가이샤	음성신호처리장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60114900A (ja) *	1983-11-25	1985-06-21	松下電器産業株式会社	有音・無音判定法
JPS60200300A (ja) *	1984-03-23	1985-10-09	松下電器産業株式会社	音声の始端・終端検出装置
JPS6148898A (ja) *	1984-08-16	1986-03-10	松下電器産業株式会社	音声の有声無声判定装置
JPH0795237B2 (ja) *	1987-04-03	1995-10-11	アメリカンテレフォンアンドテレグラフカムパニー	適応多変数推定装置

1988
- 1988-01-12 DE DE8888903995T patent/DE3876569T2/de not_active Expired - Fee Related
- 1988-01-12 EP EP88903995A patent/EP0309561B1/fr not_active Expired - Lifetime
- 1988-01-12 WO PCT/US1988/000031 patent/WO1988007739A1/fr not_active Ceased
- 1988-01-12 JP JP63503536A patent/JPH0795239B2/ja not_active Expired - Fee Related
- 1988-01-12 AU AU17007/88A patent/AU598933B2/en not_active Ceased
- 1988-01-12 AT AT88903995T patent/ATE83329T1/de not_active IP Right Cessation
- 1988-03-29 CA CA000562765A patent/CA1336208C/fr not_active Expired - Fee Related
1993
- 1993-05-07 SG SG609/93A patent/SG60993G/en unknown
1994
- 1994-03-10 HK HK217/94A patent/HK21794A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPH0795239B2 (ja)	1995-10-11
ATE83329T1 (de)	1992-12-15
JPH01502858A (ja)	1989-09-28
EP0309561B1 (fr)	1992-12-09
DE3876569D1 (de)	1993-01-21
WO1988007739A1 (fr)	1988-10-06
AU1700788A (en)	1988-11-02
SG60993G (en)	1993-07-09
HK21794A (en)	1994-03-18
EP0309561A1 (fr)	1989-04-05
AU598933B2 (en)	1990-07-05
DE3876569T2 (de)	1993-04-08

Legal Events

Date	Code	Title	Description
2004-07-05	MKLA	Lapsed

Publication	Publication Date	Title
EP0548054B1 (fr)	2002-12-11	Dispositif de détection de la présence d'un signal de parole
KR100278423B1 (ko)	2001-01-15	정상신호 및 비정상신호의 판별
US5007093A (en)	1991-04-09	Adaptive threshold voiced detector
EP0634041B1 (fr)	1998-07-22	Procede et appareil de codage/decodage de bruits de fond
AU6901694A (en)	1994-12-20	Discriminating between stationary and non-stationary signals
US5046100A (en)	1991-09-03	Adaptive multivariate estimating apparatus
CA1336208C (fr)	1995-07-04	Detecteur vocal a seuil adaptatif
US4972490A (en)	1990-11-20	Distance measurement control of a multiple detector system
CA1337708C (fr)	1995-12-05	Appareil d'evaluation adaptative a plusieurs variables
JP2002258881A (ja)	2002-09-11	音声検出装置及び音声検出プログラム
CA1336212C (fr)	1995-07-04	Commande de mesure de distance pour systeme multidetecteur
HK1013496A (en)	1999-08-27	Voice activity detector
HK1015183B (en)	2000-07-07	Method and apparatus for encoding/decoding of background sounds
HK1014070B (en)	2000-07-14	Discriminating between stationary and non-stationary signals