BR8604618A - Metodos e aparelho para deteccao de voz dotado de sensibilidade adaptavel - Google Patents
Metodos e aparelho para deteccao de voz dotado de sensibilidade adaptavelInfo
- Publication number
- BR8604618A BR8604618A BR8604618A BR8604618A BR8604618A BR 8604618 A BR8604618 A BR 8604618A BR 8604618 A BR8604618 A BR 8604618A BR 8604618 A BR8604618 A BR 8604618A BR 8604618 A BR8604618 A BR 8604618A
- Authority
- BR
- Brazil
- Prior art keywords
- methods
- voice detection
- adaptable
- sensitivity
- adaptable sensitivity
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/46—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/786,972 US4764966A (en) | 1985-10-11 | 1985-10-11 | Method and apparatus for voice detection having adaptive sensitivity |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8604618A true BR8604618A (pt) | 1987-05-26 |
Family
ID=25140084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8604618A BR8604618A (pt) | 1985-10-11 | 1986-09-25 | Metodos e aparelho para deteccao de voz dotado de sensibilidade adaptavel |
Country Status (5)
Country | Link |
---|---|
US (1) | US4764966A (pt) |
EP (1) | EP0222083B1 (pt) |
JP (1) | JPS6288464A (pt) |
BR (1) | BR8604618A (pt) |
DE (1) | DE3679283D1 (pt) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0759009B2 (ja) * | 1987-11-30 | 1995-06-21 | 株式会社東芝 | 回線接続切替装置 |
US5097510A (en) * | 1989-11-07 | 1992-03-17 | Gs Systems, Inc. | Artificial intelligence pattern-recognition-based noise reduction system for speech processing |
DE4127295A1 (de) * | 1991-08-17 | 1993-02-18 | Koelchens Gert Dipl Ing | Spracherkennungsschalter |
AU662616B2 (en) * | 1992-04-06 | 1995-09-07 | Alcatel Australia Limited | Speech detection circuit |
JP3277398B2 (ja) * | 1992-04-15 | 2002-04-22 | ソニー株式会社 | 有声音判別方法 |
US5321745A (en) * | 1992-05-26 | 1994-06-14 | Vmx, Inc. | Adaptive efficient single/dual tone decoder apparatus and method for identifying call-progression signals |
US5450484A (en) * | 1993-03-01 | 1995-09-12 | Dialogic Corporation | Voice detection |
EP0622964B1 (en) * | 1993-04-29 | 2002-03-20 | International Business Machines Corporation | Voice activity detection method and apparatus using the same |
SE501981C2 (sv) * | 1993-11-02 | 1995-07-03 | Ericsson Telefon Ab L M | Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler |
JPH07273840A (ja) * | 1994-03-25 | 1995-10-20 | Nec Corp | 音声帯域制御機能を有する移動電話機 |
JP2600622B2 (ja) * | 1994-09-22 | 1997-04-16 | 日本電気株式会社 | Tdma方式の移動通信システムにおける下り制御信号の送信制御方法 |
GB2293723B (en) * | 1994-09-28 | 1999-04-14 | Rockwell International Corp | Automatic call distributor with answer machine detection apparatus and method |
US5497337A (en) * | 1994-10-21 | 1996-03-05 | International Business Machines Corporation | Method for designing high-Q inductors in silicon technology without expensive metalization |
US5822726A (en) * | 1995-01-31 | 1998-10-13 | Motorola, Inc. | Speech presence detector based on sparse time-random signal samples |
FI100840B (fi) * | 1995-12-12 | 1998-02-27 | Nokia Mobile Phones Ltd | Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin |
JP3323877B2 (ja) * | 1995-12-25 | 2002-09-09 | シャープ株式会社 | 音声発生制御装置 |
US5765130A (en) * | 1996-05-21 | 1998-06-09 | Applied Language Technologies, Inc. | Method and apparatus for facilitating speech barge-in in connection with voice recognition systems |
US5884255A (en) * | 1996-07-16 | 1999-03-16 | Coherent Communications Systems Corp. | Speech detection system employing multiple determinants |
US6134524A (en) * | 1997-10-24 | 2000-10-17 | Nortel Networks Corporation | Method and apparatus to detect and delimit foreground speech |
EP2107553B1 (en) * | 2008-03-31 | 2011-05-18 | Harman Becker Automotive Systems GmbH | Method for determining barge-in |
EP2148325B1 (en) * | 2008-07-22 | 2014-10-01 | Nuance Communications, Inc. | Method for determining the presence of a wanted signal component |
US8775184B2 (en) * | 2009-01-16 | 2014-07-08 | International Business Machines Corporation | Evaluating spoken skills |
EP2850611B1 (en) | 2012-06-10 | 2019-08-21 | Nuance Communications, Inc. | Noise dependent signal processing for in-car communication systems with multiple acoustic zones |
US9805738B2 (en) | 2012-09-04 | 2017-10-31 | Nuance Communications, Inc. | Formant dependent speech signal enhancement |
US9613633B2 (en) | 2012-10-30 | 2017-04-04 | Nuance Communications, Inc. | Speech enhancement |
US9697843B2 (en) | 2014-04-30 | 2017-07-04 | Qualcomm Incorporated | High band excitation signal generation |
CN107039044B (zh) * | 2017-03-08 | 2020-04-21 | Oppo广东移动通信有限公司 | 一种语音信号处理方法及移动终端 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1348724A (en) * | 1971-01-07 | 1974-03-20 | Compur Werk Gmbh & Co | Control unit for controlling a recorder in a telephone answering and message recording system |
JPS5712999B2 (pt) * | 1974-04-08 | 1982-03-13 | ||
IT1014614B (it) * | 1974-04-24 | 1977-04-30 | Sits Soc It Telecom Siemens | Circuito per rivelare la presenza di attivita in banda fonica in una giunzione telefonica |
US4027102A (en) * | 1974-11-29 | 1977-05-31 | Pioneer Electronic Corporation | Voice versus pulsed tone signal discrimination circuit |
IT1044353B (it) * | 1975-07-03 | 1980-03-20 | Telettra Lab Telefon | Metodo e dispositivo per il rico noscimento della presenza e.o assenza di segnale utile parola parlato su linee foniche canali fonici |
US4061878A (en) * | 1976-05-10 | 1977-12-06 | Universite De Sherbrooke | Method and apparatus for speech detection of PCM multiplexed voice channels |
US4281218A (en) * | 1979-10-26 | 1981-07-28 | Bell Telephone Laboratories, Incorporated | Speech-nonspeech detector-classifier |
US4314100A (en) * | 1980-01-24 | 1982-02-02 | Storage Technology Corporation | Data detection circuit for a TASI system |
US4365112A (en) * | 1980-03-17 | 1982-12-21 | Storage Technology Corporation | Speech detector circuit for a TASI system |
FR2485839B1 (fr) * | 1980-06-27 | 1985-09-06 | Cit Alcatel | Procede de detection de parole dans un signal de circuit telephonique et detecteur de parole le mettant en oeuvre |
FR2494017B1 (fr) * | 1980-11-07 | 1985-10-25 | Thomson Csf | Procede de detection de la frequence de melodie dans un signal de parole et dispositif destine a la mise en oeuvre de ce procede |
US4484344A (en) * | 1982-03-01 | 1984-11-20 | Rockwell International Corporation | Voice operated switch |
FR2535854A1 (fr) * | 1982-11-10 | 1984-05-11 | Cit Alcatel | Procede et dispositif d'evaluation du niveau de bruit sur une voie telephonique |
GB2139052A (en) * | 1983-04-20 | 1984-10-31 | Philips Electronic Associated | Apparatus for distinguishing between speech and certain other signals |
DE3370423D1 (en) * | 1983-06-07 | 1987-04-23 | Ibm | Process for activity detection in a voice transmission system |
US4667065A (en) * | 1985-02-28 | 1987-05-19 | Bangerter Richard M | Apparatus and methods for electrical signal discrimination |
US4625083A (en) * | 1985-04-02 | 1986-11-25 | Poikela Timo J | Voice operated switch |
-
1985
- 1985-10-11 US US06/786,972 patent/US4764966A/en not_active Expired - Lifetime
-
1986
- 1986-08-20 JP JP61193032A patent/JPS6288464A/ja active Granted
- 1986-08-26 EP EP86111768A patent/EP0222083B1/en not_active Expired
- 1986-08-26 DE DE8686111768T patent/DE3679283D1/de not_active Expired - Fee Related
- 1986-09-25 BR BR8604618A patent/BR8604618A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3679283D1 (de) | 1991-06-20 |
US4764966A (en) | 1988-08-16 |
JPS6288464A (ja) | 1987-04-22 |
JPH0445023B2 (pt) | 1992-07-23 |
EP0222083B1 (en) | 1991-05-15 |
EP0222083A1 (en) | 1987-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 25/09/2001 |