IT1044353B - Metodo e dispositivo per il rico noscimento della presenza e.o assenza di segnale utile parola parlato su linee foniche canali fonici - Google Patents

Metodo e dispositivo per il rico noscimento della presenza e.o assenza di segnale utile parola parlato su linee foniche canali fonici

Info

Publication number
IT1044353B
IT1044353B IT25053/75A IT2505375A IT1044353B IT 1044353 B IT1044353 B IT 1044353B IT 25053/75 A IT25053/75 A IT 25053/75A IT 2505375 A IT2505375 A IT 2505375A IT 1044353 B IT1044353 B IT 1044353B
Authority
IT
Italy
Prior art keywords
phone
absence
useful signal
spoken word
channels
Prior art date
Application number
IT25053/75A
Other languages
English (en)
Inventor
Federico Vagliani
Molinari Alcide
Original Assignee
Telettra Lab Telefon
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 Telettra Lab Telefon filed Critical Telettra Lab Telefon
Priority to IT25053/75A priority Critical patent/IT1044353B/it
Priority to GB18568/76A priority patent/GB1491662A/en
Priority to FR7614058A priority patent/FR2316814A1/fr
Priority to ZA762946A priority patent/ZA762946B/xx
Priority to BE6045511A priority patent/BE842136A/xx
Priority to DE19762623025 priority patent/DE2623025A1/de
Priority to BR7603465A priority patent/BR7603465A/pt
Priority to LU75069A priority patent/LU75069A1/xx
Priority to US05/699,364 priority patent/US4057690A/en
Priority to JP51077112A priority patent/JPS5231606A/ja
Priority to NO762317A priority patent/NO146521C/no
Priority to ES449486A priority patent/ES449486A1/es
Priority to NL7607412A priority patent/NL7607412A/xx
Application granted granted Critical
Publication of IT1044353B publication Critical patent/IT1044353B/it

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/175—Speech activity or inactivity detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transceivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
IT25053/75A 1975-07-03 1975-07-03 Metodo e dispositivo per il rico noscimento della presenza e.o assenza di segnale utile parola parlato su linee foniche canali fonici IT1044353B (it)

Priority Applications (13)

Application Number Priority Date Filing Date Title
IT25053/75A IT1044353B (it) 1975-07-03 1975-07-03 Metodo e dispositivo per il rico noscimento della presenza e.o assenza di segnale utile parola parlato su linee foniche canali fonici
GB18568/76A GB1491662A (en) 1975-07-03 1976-05-06 Speech detection in a signal channel
FR7614058A FR2316814A1 (fr) 1975-07-03 1976-05-11 Procede et dispositif de detection de la presence et/ou l'absence d'un signal de parole dans des lignes telephoniques
ZA762946A ZA762946B (en) 1975-07-03 1976-05-18 Systems and devices for detecting the presence and/or absence of useful signal(speech)on telephone lines(voice channel)
BE6045511A BE842136A (fr) 1975-07-03 1976-05-21 Procede et dispositif de detection de la presence et/ou l'absence d'un signal de parole dans des lignes telephoniques
DE19762623025 DE2623025A1 (de) 1975-07-03 1976-05-22 Verfahren und schalteinrichtung zur analyse eines signals
BR7603465A BR7603465A (pt) 1975-07-03 1976-05-31 Sistema para detectar a presenca ou ausencia de sinal util voz num sinal de canal associado com uma linha telefonic
LU75069A LU75069A1 (it) 1975-07-03 1976-06-02
US05/699,364 US4057690A (en) 1975-07-03 1976-06-24 Method and apparatus for detecting the presence of a speech signal on a voice channel signal
JP51077112A JPS5231606A (en) 1975-07-03 1976-07-01 Method and system for detecting both or either of presence and*or absence of effective signals on telephone lines
NO762317A NO146521C (no) 1975-07-03 1976-07-02 Fremgangsmaate og innretning for detektering av naervaer eller fravaer av et talesignal paa en talekanal
ES449486A ES449486A1 (es) 1975-07-03 1976-07-02 Un sistema, con su dispositivo correspondiente, para detec- tar la presencia o ausencia de senal util en lineas telefo- nicas.
NL7607412A NL7607412A (nl) 1975-07-03 1976-07-05 Stelsel voor het detecteren van een spraaksignaal op een telefoonlijn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25053/75A IT1044353B (it) 1975-07-03 1975-07-03 Metodo e dispositivo per il rico noscimento della presenza e.o assenza di segnale utile parola parlato su linee foniche canali fonici

Publications (1)

Publication Number Publication Date
IT1044353B true IT1044353B (it) 1980-03-20

Family

ID=11215547

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25053/75A IT1044353B (it) 1975-07-03 1975-07-03 Metodo e dispositivo per il rico noscimento della presenza e.o assenza di segnale utile parola parlato su linee foniche canali fonici

Country Status (13)

Country Link
US (1) US4057690A (it)
JP (1) JPS5231606A (it)
BE (1) BE842136A (it)
BR (1) BR7603465A (it)
DE (1) DE2623025A1 (it)
ES (1) ES449486A1 (it)
FR (1) FR2316814A1 (it)
GB (1) GB1491662A (it)
IT (1) IT1044353B (it)
LU (1) LU75069A1 (it)
NL (1) NL7607412A (it)
NO (1) NO146521C (it)
ZA (1) ZA762946B (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH635695A5 (de) * 1978-08-31 1983-04-15 Landis & Gyr Ag Detektor zur feststellung der anwesenheit mindestens eines elektrischen signals mit einer vorbestimmten charakteristik.
US4351216A (en) * 1979-08-22 1982-09-28 Hamm Russell O Electronic pitch detection for musical instruments
US4314100A (en) * 1980-01-24 1982-02-02 Storage Technology Corporation Data detection circuit for a TASI system
DE3017623C2 (de) * 1980-05-08 1983-12-01 Vierling, Oskar, Prof. Dr.Phil.Habil., 8553 Ebermannstadt Sensor zur Verkehrserfassung von aus Analogsignalen bestehenden Nachrichtenströmen auf Fernmeldeleitungen
DE3023375C1 (it) * 1980-06-23 1987-12-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US4357491A (en) * 1980-09-16 1982-11-02 Northern Telecom Limited Method of and apparatus for detecting speech in a voice channel signal
DE3166082D1 (en) * 1980-12-09 1984-10-18 Secretary Industry Brit Speech recognition systems
US4370521A (en) * 1980-12-19 1983-01-25 Bell Telephone Laboratories, Incorporated Endpoint detector
USRE32172E (en) * 1980-12-19 1986-06-03 At&T Bell Laboratories Endpoint detector
FR2502374B1 (fr) * 1981-03-18 1986-04-18 Trt Telecom Radio Electr Dispositif de discrimination de la parole
US4531228A (en) * 1981-10-20 1985-07-23 Nissan Motor Company, Limited Speech recognition system for an automotive vehicle
JPS5916453B2 (ja) * 1981-12-03 1984-04-16 株式会社リコー 光デ−タ通信システム
DE3220905C1 (de) * 1982-06-03 1983-12-29 Vierling, Oskar, Prof. Dr.Phil.Habil., 8553 Ebermannstadt Sensor zur Verkehrserfassung von aus Analogsignalen bestehenden Nachrichtenströmen auf Fernmeldeleitungen
DE3243232A1 (de) * 1982-11-23 1984-05-24 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur erkennung von sprachpausen
DE3243231A1 (de) * 1982-11-23 1984-05-24 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur erkennung von sprachpausen
US4627091A (en) * 1983-04-01 1986-12-02 Rca Corporation Low-energy-content voice detection apparatus
DE3323534C1 (de) * 1983-06-30 1985-02-14 Vierling, Oskar, Prof. Dr.Phil.Habil., 8553 Ebermannstadt Sensor zur Verkehrserfassung von aus Analogsignalen bestehenden Nachrichtenströmen auf Fernmeldeleitungen
US4764966A (en) * 1985-10-11 1988-08-16 International Business Machines Corporation Method and apparatus for voice detection having adaptive sensitivity
US4935963A (en) * 1986-01-24 1990-06-19 Racal Data Communications Inc. Method and apparatus for processing speech signals
FR2629964B1 (fr) * 1988-04-12 1991-03-08 Telediffusion Fse Procede et dispositif de discrimination de signal
US5065395A (en) * 1990-04-09 1991-11-12 Dsc Communications Corporation Rudimentary digital speech interpolation apparatus and method
US5305422A (en) * 1992-02-28 1994-04-19 Panasonic Technologies, Inc. Method for determining boundaries of isolated words within a speech signal
US5675639A (en) * 1994-10-12 1997-10-07 Intervoice Limited Partnership Voice/noise discriminator
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
US6671667B1 (en) 2000-03-28 2003-12-30 Tellabs Operations, Inc. Speech presence measurement detection techniques
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
US9537460B2 (en) * 2011-07-22 2017-01-03 Continental Automotive Systems, Inc. Apparatus and method for automatic gain control
CN104508737B (zh) 2012-06-10 2017-12-05 纽昂斯通讯公司 用于具有多个声学区域的车载通信***的噪声相关的信号处理
WO2014039028A1 (en) 2012-09-04 2014-03-13 Nuance Communications, Inc. Formant dependent speech signal enhancement
US9613633B2 (en) 2012-10-30 2017-04-04 Nuance Communications, Inc. Speech enhancement
CN110580913B (zh) * 2019-09-26 2022-03-04 嘉楠明芯(北京)科技有限公司 语音激活检测方法、装置及计算机可读存储介质
CN112382312A (zh) * 2020-09-23 2021-02-19 福建信通慧安科技有限公司 目标探测器及目标探测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046347A (en) * 1959-02-25 1962-07-24 Bell Telephone Labor Inc Transmission control in a two way communication system
US3712959A (en) * 1969-07-14 1973-01-23 Communications Satellite Corp Method and apparatus for detecting speech signals in the presence of noise
US3878337A (en) * 1970-03-13 1975-04-15 Communications Satellite Corp Device for speech detection independent of amplitude
DE2334459C3 (de) * 1973-07-06 1982-03-25 Siemens AG, 1000 Berlin und 8000 München Unterscheidung zwischen stimmhaften und stimmlosen Lauten bei der Sprachsignalauswertung

Also Published As

Publication number Publication date
NL7607412A (nl) 1977-01-05
BE842136A (fr) 1976-09-16
LU75069A1 (it) 1977-01-21
FR2316814A1 (fr) 1977-01-28
BR7603465A (pt) 1977-07-05
ES449486A1 (es) 1977-08-01
GB1491662A (en) 1977-11-09
JPS5231606A (en) 1977-03-10
US4057690A (en) 1977-11-08
NO762317L (it) 1977-01-04
ZA762946B (en) 1977-04-27
NO146521C (no) 1982-10-13
NO146521B (no) 1982-07-05
DE2623025A1 (de) 1977-01-27
FR2316814B1 (it) 1982-11-05

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