DE60217859D1 - Verfahren und Vorrichtung zur Detektierung von Tonsignalen - Google Patents

Verfahren und Vorrichtung zur Detektierung von Tonsignalen

Info

Publication number
DE60217859D1
DE60217859D1 DE60217859T DE60217859T DE60217859D1 DE 60217859 D1 DE60217859 D1 DE 60217859D1 DE 60217859 T DE60217859 T DE 60217859T DE 60217859 T DE60217859 T DE 60217859T DE 60217859 D1 DE60217859 D1 DE 60217859D1
Authority
DE
Germany
Prior art keywords
digit value
components
current
input signal
value
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
DE60217859T
Other languages
English (en)
Other versions
DE60217859T2 (de
Inventor
David Melles
Valentin Emiya
Delphine Vallot
Lucio F C Pessoa
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.)
NXP USA Inc
Original Assignee
Freescale Semiconductor 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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Application granted granted Critical
Publication of DE60217859D1 publication Critical patent/DE60217859D1/de
Publication of DE60217859T2 publication Critical patent/DE60217859T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing
    • 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
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE60217859T 2002-08-28 2002-08-28 Verfahren und Vorrichtung zur Detektierung von Tonsignalen Expired - Fee Related DE60217859T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02292110A EP1395065B1 (de) 2002-08-28 2002-08-28 Verfahren und Vorrichtung zur Detektierung von Tonsignalen

Publications (2)

Publication Number Publication Date
DE60217859D1 true DE60217859D1 (de) 2007-03-15
DE60217859T2 DE60217859T2 (de) 2007-07-05

Family

ID=31197975

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60217859T Expired - Fee Related DE60217859T2 (de) 2002-08-28 2002-08-28 Verfahren und Vorrichtung zur Detektierung von Tonsignalen

Country Status (6)

Country Link
US (1) US7529363B2 (de)
EP (1) EP1395065B1 (de)
JP (1) JP2004135309A (de)
KR (1) KR20040019992A (de)
AT (1) ATE352953T1 (de)
DE (1) DE60217859T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10327578A1 (de) * 2003-06-18 2005-01-13 Micronas Gmbh Verfahren und Vorrichtung zur Filterung eines Signals
US7844048B2 (en) 2004-03-08 2010-11-30 Freescale Semiconductor, Inc. Selective tone event detector and method therefor
JP4793539B2 (ja) 2005-03-29 2011-10-12 日本電気株式会社 符号変換方法及び装置とプログラム並びにその記憶媒体
US7639598B2 (en) * 2006-01-31 2009-12-29 Szabolcs Sovenyi Simultaneous full-duplex communication over a single electrical conductor
US8483384B2 (en) * 2006-03-06 2013-07-09 Freescale Semiconductor, Inc. Enhanced tone detector including adaptive multi-bandpass filter for tone detection and enhancement
US7653141B2 (en) * 2006-03-31 2010-01-26 Panasonic Corporation Multi-band OFDM UWB communication systems having improved frequency diversity
US7590419B2 (en) 2006-05-12 2009-09-15 Freescale Semiconductor, Inc. Frequency correction channel burst detector in a GSM/EDGE communication system
EP3296992B1 (de) * 2008-03-20 2021-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur modifizierung einer parameterisierten darstellung
WO2010001193A1 (en) * 2008-06-30 2010-01-07 Freescale Semiconductor, Inc. Multi-frequency tone detector
WO2010007468A1 (en) 2008-07-16 2010-01-21 Freescale Semiconductor, Inc. Method and apparatus for detecting one or more predetermined tones transmitted over a communication network
US10148389B1 (en) * 2013-08-28 2018-12-04 The United States Of America, As Represented By The Secretary Of The Army Detection and identification of synchronizing signals embedded in voice or data
US9190955B2 (en) * 2013-10-23 2015-11-17 Mitsubishi Electric Research Laboratories, Inc. Method for separating multi-component signals
DE102014201119A1 (de) * 2014-01-22 2015-07-23 Siemens Aktiengesellschaft Sendevorrichtung zum Übertragen eines frequenzmodulierten Signals
JP6291548B2 (ja) * 2016-09-12 2018-03-14 Kddi株式会社 通信端末、ｄｔｍｆ信号識別方法、及びｄｔｍｆ信号識別用プログラム

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US3578919A (en) * 1968-12-30 1971-05-18 Bell Telephone Labor Inc Time compression tone detector
JPS5831139B2 (ja) * 1978-10-06 1983-07-04 日本電信電話株式会社 デイジタル信号受信器
US4363100A (en) 1980-10-28 1982-12-07 Northern Telecom Limited Detection of tones in sampled signals
JPS60121856A (ja) 1983-12-06 1985-06-29 Nec Corp 単一周波数信号検出回路
US4521647A (en) * 1984-02-17 1985-06-04 Octel Communications, Inc. Tone detection system and method
JPS61121685A (ja) * 1984-11-19 1986-06-09 Hitachi Ltd 信号受信方式
FR2597690B1 (fr) 1986-04-22 1988-06-10 Trt Telecom Radio Electr Appareil de detection et de discrimination de sauts de phase dans un signal periodique et application a un signal telephonique de tonalite avec inversions de phase.
US4839842A (en) 1987-07-24 1989-06-13 Advanced Micro Devices Digital tone detection and generation
US5274579A (en) * 1990-01-02 1993-12-28 Motorola, Inc. Digital tone detector
FI89659C (fi) 1991-11-04 1993-10-25 Nokia Telecommunications Oy Foerfarande foer identifiering av en spaerrsignal hos en ekoslaeckare
US5214708A (en) * 1991-12-16 1993-05-25 Mceachern Robert H Speech information extractor
EP0548438A1 (de) * 1991-12-20 1993-06-30 International Business Machines Corporation Verfahren und Vorrichtung zur Detektierung von Zweitonmehrfrequenzsignalen
JP3027047B2 (ja) 1992-01-29 2000-03-27 キヤノン株式会社 Ｄｔｍｆ信号検出装置及び方法
US5392347A (en) 1992-02-19 1995-02-21 Nec Corporation Ringing tone signal detecting circuit
JP2707911B2 (ja) * 1992-03-03 1998-02-04 ヤマハ株式会社 楽音合成装置
US5353346A (en) * 1992-12-22 1994-10-04 Mpr Teltech, Limited Multi-frequency signal detector and classifier
US5604771A (en) * 1994-10-04 1997-02-18 Quiros; Robert System and method for transmitting sound and computer data
JPH0951562A (ja) * 1995-08-07 1997-02-18 Fujitsu Ltd Ｄｓｐ搭載装置の機能拡張システム
US5689556A (en) 1995-09-15 1997-11-18 Hughes Electronics Method of detecting narrow-band signals in an echo canceller
RU2142670C1 (ru) 1995-11-16 1999-12-10 Самсунг Электроникс Ко., Лтд. Устройство линейного усиления мощности
US5815568A (en) 1996-01-31 1998-09-29 Telefoanktiebolaget Lm Ericsson Disabling tone detector for network echo canceller
US5920834A (en) 1997-01-31 1999-07-06 Qualcomm Incorporated Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system
US6006083A (en) 1997-09-11 1999-12-21 Nortel Networks Corporation Tone detection
JPH11163748A (ja) 1997-11-26 1999-06-18 Oki Electric Ind Co Ltd トーン信号検出回路
WO1999029084A2 (en) * 1997-11-27 1999-06-10 Northern Telecom Limited Method and apparatus for performing spectral processing in tone detection
US6055310A (en) 1997-12-17 2000-04-25 Nortel Networks Corporation Phase reversal tone detector using DSP
US6021192A (en) * 1998-02-09 2000-02-01 Ag Communication Systems Corporation Tone detector
US6480589B1 (en) * 1998-07-14 2002-11-12 Samsung Electronics Co., Ltd. CPE alert signal detector and caller identification detector using peak detection
AU2443399A (en) 1998-10-30 2000-06-05 Northern Telecom Limited Method and apparatus for detecting signalling tones
US6321200B1 (en) * 1999-07-02 2001-11-20 Mitsubish Electric Research Laboratories, Inc Method for extracting features from a mixture of signals
FR2810817B1 (fr) * 2000-06-22 2002-10-04 Cit Alcatel Procede pour la detection d'une frequence ou d'une combinaison de frequences dans un signal et materiels de telecommunications mettant en oeuvre ce procede
US7035293B2 (en) 2001-04-18 2006-04-25 Broadcom Corporation Tone relay
US6914979B2 (en) 2001-04-25 2005-07-05 Adaptive Digital Technologies, Inc. Tone detection
US6748059B2 (en) * 2001-10-23 2004-06-08 Avaya Technology Corp. Apparatus and method for unified tone detection

Also Published As

Publication number Publication date
US7529363B2 (en) 2009-05-05
DE60217859T2 (de) 2007-07-05
US20040047370A1 (en) 2004-03-11
EP1395065B1 (de) 2007-01-24
KR20040019992A (ko) 2004-03-06
EP1395065A1 (de) 2004-03-03
ATE352953T1 (de) 2007-02-15
JP2004135309A (ja) 2004-04-30

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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