ATE83578T1 - Verfahren und anordnung zur feststellung der anwesenheit von sprachsignalen. - Google Patents
Verfahren und anordnung zur feststellung der anwesenheit von sprachsignalen.Info
- Publication number
- ATE83578T1 ATE83578T1 AT89401168T AT89401168T ATE83578T1 AT E83578 T1 ATE83578 T1 AT E83578T1 AT 89401168 T AT89401168 T AT 89401168T AT 89401168 T AT89401168 T AT 89401168T AT E83578 T1 ATE83578 T1 AT E83578T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- energy
- filtered
- digital signal
- maximum
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000007774 longterm Effects 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
- 230000001755 vocal effect Effects 0.000 abstract 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
- G10L25/78—Detection of presence or absence of voice signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Noise Elimination (AREA)
- Complex Calculations (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Selective Calling Equipment (AREA)
- Analogue/Digital Conversion (AREA)
- Auxiliary Devices For Music (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8806001A FR2631147B1 (fr) | 1988-05-04 | 1988-05-04 | Procede et dispositif de detection de signaux vocaux |
| EP89401168A EP0341128B1 (de) | 1988-05-04 | 1989-04-25 | Verfahren und Anordnung zur Feststellung der Anwesenheit von Sprachsignalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE83578T1 true ATE83578T1 (de) | 1993-01-15 |
Family
ID=9365991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT89401168T ATE83578T1 (de) | 1988-05-04 | 1989-04-25 | Verfahren und anordnung zur feststellung der anwesenheit von sprachsignalen. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4982341A (de) |
| EP (1) | EP0341128B1 (de) |
| JP (1) | JPH0213999A (de) |
| AT (1) | ATE83578T1 (de) |
| CA (1) | CA1312357C (de) |
| DE (1) | DE68903872T2 (de) |
| ES (1) | ES2036813T3 (de) |
| FR (1) | FR2631147B1 (de) |
| GR (1) | GR3007361T3 (de) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5408581A (en) * | 1991-03-14 | 1995-04-18 | Technology Research Association Of Medical And Welfare Apparatus | Apparatus and method for speech signal processing |
| US5781913A (en) * | 1991-07-18 | 1998-07-14 | Felsenstein; Lee | Wearable hypermedium system |
| EP0538536A1 (de) * | 1991-10-25 | 1993-04-28 | International Business Machines Corporation | Detektion für die Anwesenheit eines Sprachsignals |
| US5323337A (en) * | 1992-08-04 | 1994-06-21 | Loral Aerospace Corp. | Signal detector employing mean energy and variance of energy content comparison for noise detection |
| US5450484A (en) * | 1993-03-01 | 1995-09-12 | Dialogic Corporation | Voice detection |
| EP0622964B1 (de) * | 1993-04-29 | 2002-03-20 | International Business Machines Corporation | Anordnung und Verfahren zur Feststellung der Anwesenheit eines Sprechsignals |
| EP0622962B1 (de) * | 1993-04-29 | 2000-04-12 | International Business Machines Corporation | Signaltonerkennungsverfahren und -Apparat zum Erkennen zumindest eines Tones in einem Dualton-Multifrequenzsignal |
| BE1007355A3 (nl) * | 1993-07-26 | 1995-05-23 | Philips Electronics Nv | Spraaksignaaldiscriminatieschakeling alsmede een audio-inrichting voorzien van een dergelijke schakeling. |
| US5675639A (en) * | 1994-10-12 | 1997-10-07 | Intervoice Limited Partnership | Voice/noise discriminator |
| US5822726A (en) * | 1995-01-31 | 1998-10-13 | Motorola, Inc. | Speech presence detector based on sparse time-random signal samples |
| US5701389A (en) * | 1995-01-31 | 1997-12-23 | Lucent Technologies, Inc. | Window switching based on interblock and intrablock frequency band energy |
| FR2738383B1 (fr) * | 1995-09-05 | 1997-10-03 | Thomson Csf | Procede de quantification vectorielle de vocodeurs bas debit |
| US5884255A (en) * | 1996-07-16 | 1999-03-16 | Coherent Communications Systems Corp. | Speech detection system employing multiple determinants |
| FR2778041A1 (fr) * | 1998-04-24 | 1999-10-29 | Thomson Csf | Procede de neutrodynage du tube d'un emetteur |
| DE19854341A1 (de) | 1998-11-25 | 2000-06-08 | Alcatel Sa | Verfahren und Schaltungsanordnung zur Sprachpegelmessung in einem Sprachsignalverarbeitungssystem |
| FR2788390B1 (fr) | 1999-01-12 | 2003-05-30 | Thomson Csf | Emetteur de radiodiffusion en ondes courtes a haut rendement optimise pour les emissions de type numerique |
| US6249757B1 (en) | 1999-02-16 | 2001-06-19 | 3Com Corporation | System for detecting voice activity |
| FR2790343B1 (fr) | 1999-02-26 | 2001-06-01 | Thomson Csf | Systeme pour l'estimation du gain complexe d'un canal de transmission |
| GB9912577D0 (en) * | 1999-05-28 | 1999-07-28 | Mitel Corp | Method of detecting silence in a packetized voice stream |
| FR2797343B1 (fr) * | 1999-08-04 | 2001-10-05 | Matra Nortel Communications | Procede et dispositif de detection d'activite vocale |
| FR2799592B1 (fr) | 1999-10-12 | 2003-09-26 | Thomson Csf | Procede de construction et de codage simple et systematique de codes ldpc |
| DE10244699B4 (de) * | 2002-09-24 | 2006-06-01 | Voice Inter Connect Gmbh | Verfahren zur Bestimmung der Sprachaktivität |
| US20060241937A1 (en) * | 2005-04-21 | 2006-10-26 | Ma Changxue C | Method and apparatus for automatically discriminating information bearing audio segments and background noise audio segments |
| US9978392B2 (en) * | 2016-09-09 | 2018-05-22 | Tata Consultancy Services Limited | Noisy signal identification from non-stationary audio signals |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2466825A1 (fr) * | 1979-09-28 | 1981-04-10 | Thomson Csf | Dispositif de detection de signaux vocaux et systeme d'alternat comportant un tel dispositif |
| DE3243231A1 (de) * | 1982-11-23 | 1984-05-24 | Philips Kommunikations Industrie AG, 8500 Nürnberg | Verfahren zur erkennung von sprachpausen |
| DE3370423D1 (en) * | 1983-06-07 | 1987-04-23 | Ibm | Process for activity detection in a voice transmission system |
| US4700392A (en) * | 1983-08-26 | 1987-10-13 | Nec Corporation | Speech signal detector having adaptive threshold values |
| EP0140249B1 (de) * | 1983-10-13 | 1988-08-10 | Texas Instruments Incorporated | Sprachanalyse und Synthese mit Energienormalisierung |
| EP0167364A1 (de) * | 1984-07-06 | 1986-01-08 | AT&T Corp. | Sprachpausenbestimmung mit Teilbandkodierung |
| US4920568A (en) * | 1985-07-16 | 1990-04-24 | Sharp Kabushiki Kaisha | Method of distinguishing voice from noise |
| DE3545447A1 (de) * | 1985-12-20 | 1988-01-28 | Bayerische Motoren Werke Ag | System zur integration eines personalcomputers oder eines aehnlichen rechners in ein fahrzeug zur benutzung als fahrbares buero |
| US4918732A (en) * | 1986-01-06 | 1990-04-17 | Motorola, Inc. | Frame comparison method for word recognition in high noise environments |
| GB8608288D0 (en) * | 1986-04-04 | 1986-05-08 | Pa Consulting Services | Noise compensation in speech recognition |
-
1988
- 1988-05-04 FR FR8806001A patent/FR2631147B1/fr not_active Expired - Lifetime
-
1989
- 1989-04-25 AT AT89401168T patent/ATE83578T1/de active
- 1989-04-25 ES ES198989401168T patent/ES2036813T3/es not_active Expired - Lifetime
- 1989-04-25 DE DE8989401168T patent/DE68903872T2/de not_active Expired - Fee Related
- 1989-04-25 EP EP89401168A patent/EP0341128B1/de not_active Expired - Lifetime
- 1989-05-02 JP JP1112386A patent/JPH0213999A/ja active Pending
- 1989-05-03 CA CA000598632A patent/CA1312357C/fr not_active Expired - Fee Related
- 1989-05-04 US US07/347,014 patent/US4982341A/en not_active Expired - Fee Related
-
1993
- 1993-03-16 GR GR930400563T patent/GR3007361T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE68903872D1 (de) | 1993-01-28 |
| GR3007361T3 (de) | 1993-07-30 |
| DE68903872T2 (de) | 1993-06-24 |
| JPH0213999A (ja) | 1990-01-18 |
| EP0341128B1 (de) | 1992-12-16 |
| ES2036813T3 (es) | 1993-06-01 |
| CA1312357C (fr) | 1993-01-05 |
| FR2631147A1 (fr) | 1989-11-10 |
| EP0341128A1 (de) | 1989-11-08 |
| US4982341A (en) | 1991-01-01 |
| FR2631147B1 (fr) | 1991-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE68903872D1 (de) | Verfahren und anordnung zur feststellung der anwesenheit von sprachsignalen. | |
| ATE230890T1 (de) | Verfahren und apparat zur geräuschunterdrückung in einem sprachsignal und korrespondierendes system mit echounterdrückung | |
| ATE137648T1 (de) | Verbessertes verfahren und gerät zur messung optischer impulse | |
| ATE142060T1 (de) | Anordnung zur umsetzung eines signals mit einer ersten abtastrate in ein signal mit einer zweiten abtastrate | |
| DE69614752D1 (de) | Vorrichtung und Verfahren zur Sprachkodierung unter Verwendung eines Filters zur Verbesserung der Signalqualität | |
| EA199800627A1 (ru) | Способ фильтрования искажений данных, получаемых во время сейсмических исследований | |
| DK193577A (da) | Fremgangsmade og apparat til bortfiltrering af i det vesentlige stationer stoj i talesignaler | |
| DE69121145D1 (de) | Spektralbewertungsverfahren zur verbesserung der widerstandsfähigkeit gegen rauschen bei der spracherkennung | |
| ES8800587A1 (es) | Sistema de deteccion para determinar el ritmo ciclico cardiaco. | |
| ATE269573T1 (de) | Verfahren zur sprachaktivitätsdetektion in einem signal, und sprachkodierer mit vorrichtung zur ausführung des verfahrens | |
| DE3786610D1 (de) | Verfahren zum filtern eines verrauschten signals. | |
| ATE317151T1 (de) | Messverfahren zur gehörrichtigen qualitätsbewertung von audiosignalen | |
| Kasuya et al. | An adaptive comb filtering method as applied to acoustic analyses of pathological voice | |
| DE68923771D1 (de) | Sprachübertragungssystem unter Anwendung von Mehrimpulsanregung. | |
| ATE191307T1 (de) | Unterscheidung zwischen information und geräusch in einem kommunikationssignal | |
| ES8307427A1 (es) | Un aparato para analizar la caracteristica de transicion de senal de una senal de video en un sistema de tratamiento de datos. | |
| DE69033011D1 (de) | Digitaler sprachdekodierer unter verwendung einer nachfilterung mit einer reduzierten spektralverzerrung | |
| GB2014406B (en) | Analog speech enconder and decoder | |
| EP0258574A3 (de) | Filteranordnung | |
| RU2010354C1 (ru) | Устройство для измерения формантной частоты речевого сигнала | |
| DE59010335D1 (de) | Textilverstärkter Membranfilter, Verfahren zu seiner Herstellung und seine Verwendung | |
| Suzuki | Speech processing system by use of short-time crosscorrelation function | |
| Krom | A new cepstrum-based technique for the estimation of spectral signal-to-noise ratios in speech signals | |
| JPS5740711A (en) | Audio signal reproducing device equipped with noise eliminating circuit | |
| JPS6454494A (en) | Voice segmentation apparatus |