IT7926008A0 - Chiave di conversazione. - Google Patents

Chiave di conversazione.

Info

Publication number
IT7926008A0
IT7926008A0 IT7926008A IT2600879A IT7926008A0 IT 7926008 A0 IT7926008 A0 IT 7926008A0 IT 7926008 A IT7926008 A IT 7926008A IT 2600879 A IT2600879 A IT 2600879A IT 7926008 A0 IT7926008 A0 IT 7926008A0
Authority
IT
Italy
Prior art keywords
conversation
key
Prior art date
Application number
IT7926008A
Other languages
English (en)
Other versions
IT1123346B (it
Inventor
Hansruedi Daneffel
Original Assignee
Feller Ag
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 Feller Ag filed Critical Feller Ag
Publication of IT7926008A0 publication Critical patent/IT7926008A0/it
Application granted granted Critical
Publication of IT1123346B publication Critical patent/IT1123346B/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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
IT26008/79A 1978-09-26 1979-09-26 Chiave di conversazione IT1123346B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1003378A CH633903A5 (de) 1978-09-26 1978-09-26 Sprachschalter fuer ein an eine telefonleitung anzuschliessendes geraet.

Publications (2)

Publication Number Publication Date
IT7926008A0 true IT7926008A0 (it) 1979-09-26
IT1123346B IT1123346B (it) 1986-04-30

Family

ID=4358612

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26008/79A IT1123346B (it) 1978-09-26 1979-09-26 Chiave di conversazione

Country Status (6)

Country Link
US (1) US4296277A (it)
CH (1) CH633903A5 (it)
DE (1) DE2938562A1 (it)
FR (1) FR2437665A1 (it)
GB (1) GB2031696B (it)
IT (1) IT1123346B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368459A (en) * 1980-12-16 1983-01-11 Robert Sapora Educational apparatus and method for control of deaf individuals in a mixed teaching environment
JPS5852695A (ja) * 1981-09-25 1983-03-28 日産自動車株式会社 車両用音声検出装置
FR2517499A1 (fr) * 1981-11-27 1983-06-03 Cit Alcatel Procede et dispositif de detection de signaux de donnees et de signalisation sur une voie telephonique
JPS5923956A (ja) * 1982-07-30 1984-02-07 Toshiba Corp 電話自動応対装置
JPS59122268A (ja) * 1982-12-28 1984-07-14 Tamura Electric Works Ltd 留守番電話装置におけるコマンド検出回路
JPS60197055A (ja) * 1984-03-21 1985-10-05 Hashimoto Corp 信号の識別処理手段を有する留守番電話装置
FR2573599B1 (fr) * 1984-11-22 1987-02-06 Kalfon Rene Systeme de commande et de surveillance d'un appareil telephonique public a prepaiement
US4667065A (en) * 1985-02-28 1987-05-19 Bangerter Richard M Apparatus and methods for electrical signal discrimination
US4590101A (en) * 1985-07-19 1986-05-20 Monsanto Company Surface coating process
US4742537A (en) * 1986-06-04 1988-05-03 Electronic Information Systems, Inc. Telephone line monitoring system
US4726057A (en) * 1986-07-28 1988-02-16 AT&T Information Systems Inc. American Telephone & Telegraph Company Answer detection method and apparatus for coin telephone sets
US4965835A (en) * 1989-06-01 1990-10-23 Hochstein Peter A Signal sensing circuit
US5347611A (en) * 1992-01-17 1994-09-13 Telogy Networks Inc. Apparatus and method for transparent tone passing over narrowband digital channels
US5450484A (en) * 1993-03-01 1995-09-12 Dialogic Corporation Voice detection
DE19536212B4 (de) * 1994-09-28 2004-12-23 Rockwell International Corp., Downers Grove Anordnung zum Erkennen eines Anrufbeantworters
JP2982638B2 (ja) * 1995-01-19 1999-11-29 株式会社デンソー 変位検出装置
US6594632B1 (en) 1998-11-02 2003-07-15 Ncr Corporation Methods and apparatus for hands-free operation of a voice recognition system
JP2000267690A (ja) * 1999-03-19 2000-09-29 Toshiba Corp 音声検知装置及び音声制御システム
US20090150144A1 (en) * 2007-12-10 2009-06-11 Qnx Software Systems (Wavemakers), Inc. Robust voice detector for receive-side automatic gain control
US20140379343A1 (en) * 2012-11-20 2014-12-25 Unify GmbH Co. KG Method, device, and system for audio data processing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2061104A1 (de) * 1970-12-11 1972-06-22 Compur Werk Gmbh & Co Sprachgesteuerte Schalteinrichtung
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
FR2271725A1 (en) * 1974-05-17 1975-12-12 Constr Telephoniques Telephonic conference system with speech detector - enables speech from one participant to block all other transmissions
US4068180A (en) * 1976-10-22 1978-01-10 Schlumberger Technology Corporation Methods and apparatus for enhancing resolution in pulse analysis

Also Published As

Publication number Publication date
FR2437665B1 (it) 1984-01-27
GB2031696A (en) 1980-04-23
GB2031696B (en) 1982-10-20
US4296277A (en) 1981-10-20
IT1123346B (it) 1986-04-30
DE2938562A1 (de) 1980-04-03
CH633903A5 (de) 1982-12-31
FR2437665A1 (fr) 1980-04-25

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