DE69300413T2 - Verfahren zum Identifizieren von Sprach- und Rufverlaufsignalen. - Google Patents

Verfahren zum Identifizieren von Sprach- und Rufverlaufsignalen.

Info

Publication number
DE69300413T2
DE69300413T2 DE69300413T DE69300413T DE69300413T2 DE 69300413 T2 DE69300413 T2 DE 69300413T2 DE 69300413 T DE69300413 T DE 69300413T DE 69300413 T DE69300413 T DE 69300413T DE 69300413 T2 DE69300413 T2 DE 69300413T2
Authority
DE
Germany
Prior art keywords
largest
maxima
call history
determining whether
steps
Prior art date
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
DE69300413T
Other languages
English (en)
Other versions
DE69300413D1 (de
Inventor
Drory Eatamar
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.)
VMX Inc
Original Assignee
VMX 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.)
Filing date
Publication date
Application filed by VMX Inc filed Critical VMX Inc
Application granted granted Critical
Publication of DE69300413D1 publication Critical patent/DE69300413D1/de
Publication of DE69300413T2 publication Critical patent/DE69300413T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Telephonic Communication Services (AREA)
DE69300413T 1992-05-26 1993-04-21 Verfahren zum Identifizieren von Sprach- und Rufverlaufsignalen. Expired - Fee Related DE69300413T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/889,513 US5319703A (en) 1992-05-26 1992-05-26 Apparatus and method for identifying speech and call-progression signals

Publications (2)

Publication Number Publication Date
DE69300413D1 DE69300413D1 (de) 1995-10-05
DE69300413T2 true DE69300413T2 (de) 1996-02-01

Family

ID=25395260

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69300413T Expired - Fee Related DE69300413T2 (de) 1992-05-26 1993-04-21 Verfahren zum Identifizieren von Sprach- und Rufverlaufsignalen.

Country Status (4)

Country Link
US (1) US5319703A (de)
EP (1) EP0573760B1 (de)
AT (1) ATE127303T1 (de)
DE (1) DE69300413T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5459784A (en) * 1992-09-28 1995-10-17 Comsat Corporation Dual-tone multifrequency (DTMF) signalling transparency for low-data-rate vocoders
US5483579A (en) * 1993-02-25 1996-01-09 Digital Acoustics, Inc. Voice recognition dialing system
US5450484A (en) * 1993-03-01 1995-09-12 Dialogic Corporation Voice detection
JPH08506434A (ja) * 1993-11-30 1996-07-09 エイ・ティ・アンド・ティ・コーポレーション 通信システムにおける伝送ノイズ低減
US5416836A (en) * 1993-12-17 1995-05-16 At&T Corp. Disconnect signalling detection arrangement
CA2116043C (en) * 1994-02-21 1997-09-23 Alexander F. Tulai Programmable digital call progress tone detector
US5692040A (en) * 1994-06-30 1997-11-25 Greenblatt; Richard David Method of and apparatus for exchanging compatible universal identification telephone protocols over a public switched telephone network
US5644634A (en) * 1995-11-29 1997-07-01 Advanced Micro Devices System and method for dual tone multifrequency detection using variable frame widths
US5588053A (en) * 1995-11-29 1996-12-24 Advanced Micro Devices DTMF detector system and method which performs static and dynamic thresholding
SE506034C2 (sv) * 1996-02-01 1997-11-03 Ericsson Telefon Ab L M Förfarande och anordning för förbättring av parametrar representerande brusigt tal
US5875234A (en) 1996-02-14 1999-02-23 Netphone, Inc. Computer integrated PBX system
US5719921A (en) * 1996-02-29 1998-02-17 Nynex Science & Technology Methods and apparatus for activating telephone services in response to speech
US5946649A (en) * 1997-04-16 1999-08-31 Technology Research Association Of Medical Welfare Apparatus Esophageal speech injection noise detection and rejection
GB2330727B (en) * 1997-10-24 2002-10-09 Mitel Corp Tone and periodical signal detection
US6370244B1 (en) 1998-04-03 2002-04-09 Board Of Regents Of The University Of Texas System Efficient digital ITU-compliant zero-buffering DTMF detection using the non-uniform discrete fourier transform
US6233315B1 (en) 1998-05-21 2001-05-15 Bell Atlantic Network Services, Inc. Methods and apparatus for increasing the utility and interoperability of peripheral devices in communications systems
US6229880B1 (en) 1998-05-21 2001-05-08 Bell Atlantic Network Services, Inc. Methods and apparatus for efficiently providing a communication system with speech recognition capabilities
US6744860B1 (en) 1998-12-31 2004-06-01 Bell Atlantic Network Services Methods and apparatus for initiating a voice-dialing operation
US6321194B1 (en) 1999-04-27 2001-11-20 Brooktrout Technology, Inc. Voice detection in audio signals
DE19934990A1 (de) * 1999-07-26 2001-02-01 Deutsche Telekom Ag Verfahren und Kommunikationsendeinrichtung zum Detektieren einer Teilnehmersignalisierung in einer analogen Kommunikationsendeinrichtung
US7110525B1 (en) 2001-06-25 2006-09-19 Toby Heller Agent training sensitive call routing system
US7035394B2 (en) * 2001-12-17 2006-04-25 Ricoh Company, Ltd. Tone detector judging a detection of a predetermined tone signal by comparing a characteristic quantity of the tone signal with characteristic quantities of other signals
US7372952B1 (en) 2002-03-07 2008-05-13 Wai Wu Telephony control system with intelligent call routing
US7023979B1 (en) 2002-03-07 2006-04-04 Wai Wu Telephony control system with intelligent call routing
US9818136B1 (en) 2003-02-05 2017-11-14 Steven M. Hoffberg System and method for determining contingent relevance
US7676034B1 (en) 2003-03-07 2010-03-09 Wai Wu Method and system for matching entities in an auction
CN1816164B (zh) * 2005-02-04 2010-07-07 华为技术有限公司 用于多频信号音检测中的抗噪声方法
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
US8300798B1 (en) 2006-04-03 2012-10-30 Wai Wu Intelligent communication routing system and method
CN101635865B (zh) * 2008-07-22 2012-07-04 中兴通讯股份有限公司 一种双音多频信号抗误检测的系统及方法
US20160160290A1 (en) 2014-11-03 2016-06-09 Genentech, Inc. Methods and biomarkers for predicting efficacy and evaluation of an ox40 agonist treatment

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944753A (en) * 1974-10-31 1976-03-16 Proctor & Associates Company Apparatus for distinguishing voice and other noise signals from legitimate multi-frequency tone signals present on telephone or similar communication lines
FR2409652A1 (fr) * 1977-11-18 1979-06-15 Materiel Telephonique Recepteur de signaux numeriques multifrequences codes
US4354248A (en) * 1979-11-28 1982-10-12 Motorola, Inc. Programmable multifrequency tone receiver
JPS56104399A (en) * 1980-01-23 1981-08-20 Hitachi Ltd Voice interval detection system
US4534041A (en) * 1982-02-12 1985-08-06 Northern Telecom Limited Digital circuit for determining the envelope frequency of PCM encoded call progress tones in a telephone system
CA1177588A (en) * 1982-02-12 1984-11-06 Ernst A. Munter Digital circuit and method for the detection of call progress tones in telephone systems
US4477698A (en) * 1982-09-07 1984-10-16 Melita Electronics Labs, Inc. Apparatus for detecting pick-up at a remote telephone set
US4521647A (en) * 1984-02-17 1985-06-04 Octel Communications, Inc. Tone detection system and method
US4689760A (en) * 1984-11-09 1987-08-25 Digital Sound Corporation Digital tone decoder and method of decoding tones using linear prediction coding
US4599495A (en) * 1985-02-28 1986-07-08 Northern Telecom Limited Apparatus for multifrequency signalling tone detection
US4677665A (en) * 1985-03-08 1987-06-30 Tii Computer Systems, Inc. Method and apparatus for electronically detecting speech and tone
US4979214A (en) * 1989-05-15 1990-12-18 Dialogic Corporation Method and apparatus for identifying speech in telephone signals

Also Published As

Publication number Publication date
EP0573760A1 (de) 1993-12-15
DE69300413D1 (de) 1995-10-05
US5319703A (en) 1994-06-07
EP0573760B1 (de) 1995-08-30
ATE127303T1 (de) 1995-09-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee