TR199801459T2 - �ebeke yank� iptalcisi i�in etkisizle�tirici ton dedekt�r�. - Google Patents

�ebeke yank� iptalcisi i�in etkisizle�tirici ton dedekt�r�.

Info

Publication number
TR199801459T2
TR199801459T2 TR1998/01459T TR9801459T TR199801459T2 TR 199801459 T2 TR199801459 T2 TR 199801459T2 TR 1998/01459 T TR1998/01459 T TR 1998/01459T TR 9801459 T TR9801459 T TR 9801459T TR 199801459 T2 TR199801459 T2 TR 199801459T2
Authority
TR
Turkey
Prior art keywords
phase
tirici
iptalcisi
etkisizle
ebeke
Prior art date
Application number
TR1998/01459T
Other languages
English (en)
Turkish (tr)
Inventor
Trump Tonu
Original Assignee
Telefonaktiebolaget L M Ericsson (Publ)
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 Telefonaktiebolaget L M Ericsson (Publ) filed Critical Telefonaktiebolaget L M Ericsson (Publ)
Publication of TR199801459T2 publication Critical patent/TR199801459T2/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
TR1998/01459T 1996-01-31 1997-01-28 �ebeke yank� iptalcisi i�in etkisizle�tirici ton dedekt�r�. TR199801459T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/594,584 US5815568A (en) 1996-01-31 1996-01-31 Disabling tone detector for network echo canceller

Publications (1)

Publication Number Publication Date
TR199801459T2 true TR199801459T2 (en) 1998-10-21

Family

ID=24379510

Family Applications (1)

Application Number Title Priority Date Filing Date
TR1998/01459T TR199801459T2 (en) 1996-01-31 1997-01-28 �ebeke yank� iptalcisi i�in etkisizle�tirici ton dedekt�r�.

Country Status (8)

Country Link
US (1) US5815568A (cg-RX-API-DMAC7.html)
EP (1) EP0953233B1 (cg-RX-API-DMAC7.html)
JP (1) JP3983809B2 (cg-RX-API-DMAC7.html)
CN (1) CN1214818A (cg-RX-API-DMAC7.html)
AU (1) AU1679497A (cg-RX-API-DMAC7.html)
DE (1) DE69730351T2 (cg-RX-API-DMAC7.html)
TR (1) TR199801459T2 (cg-RX-API-DMAC7.html)
WO (1) WO1997028613A1 (cg-RX-API-DMAC7.html)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2161042C (en) * 1995-10-20 2001-08-28 John Miller Digital phase reversal detector
US6185280B1 (en) * 1998-02-12 2001-02-06 Intervoice Limited Partnership Line impedance matching using dynamically generated transfer functions
US7424109B1 (en) * 1999-03-25 2008-09-09 Intel Corporation Rapid training echo cancellor for telecommunications system
US6868116B2 (en) * 2001-02-16 2005-03-15 Nortel Networks Limited Universal telephony tones detector
KR100477638B1 (ko) * 2001-09-11 2005-03-23 삼성전자주식회사 ２ｄ／３ｄ 겸용 디스플레이
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
US7242762B2 (en) * 2002-06-24 2007-07-10 Freescale Semiconductor, Inc. Monitoring and control of an adaptive filter in a communication system
US7388954B2 (en) * 2002-06-24 2008-06-17 Freescale Semiconductor, Inc. Method and apparatus for tone indication
US7215765B2 (en) * 2002-06-24 2007-05-08 Freescale Semiconductor, Inc. Method and apparatus for pure delay estimation in a communication system
US6961423B2 (en) 2002-06-24 2005-11-01 Freescale Semiconductor, Inc. Method and apparatus for performing adaptive filtering
ATE352953T1 (de) 2002-08-28 2007-02-15 Freescale Semiconductor Inc Verfahren und vorrichtung zur detektierung von tonsignalen
US6970559B2 (en) * 2002-09-30 2005-11-29 Rockwell Electronic Commerce Technologies, Llc Method and apparatus for detecting echo cancellers
GB2440589A (en) * 2005-06-01 2008-02-06 Tecteon Plc Phase difference calculator
WO2006130970A1 (en) 2005-06-10 2006-12-14 Sangoma Technologies Corporation Echo canceller controller
JP2007104721A (ja) * 2006-12-18 2007-04-19 Oki Electric Ind Co Ltd 位相反転検出装置
CN103281472B (zh) * 2013-05-27 2015-04-22 大连理工大学 一种传真ANSam信号的检测装置及其检测方法
CN107799123B (zh) * 2017-12-14 2021-07-23 南京地平线机器人技术有限公司 控制回声消除器的方法和具有回声消除功能的装置
CN114171043B (zh) 2021-12-06 2022-09-13 北京百度网讯科技有限公司 回声的确定方法、装置、设备以及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069501A (en) * 1958-08-20 1962-12-18 Bell Telephone Labor Inc Transmission control in two-way signaling systems
US3647993A (en) * 1970-05-18 1972-03-07 Wescom Tone disabler
NL8000883A (nl) * 1980-02-13 1981-09-16 Philips Nv Coherente ontvanger voor hoekgemoduleerde data signalen.
US4352962A (en) * 1980-06-27 1982-10-05 Reliance Electric Company Tone responsive disabling circuit
JPS60121856A (ja) * 1983-12-06 1985-06-29 Nec Corp 単一周波数信号検出回路
EP0239293A3 (en) * 1986-03-24 1988-12-14 Gpt Limited Data transmission systems
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.
US4979211A (en) * 1988-11-16 1990-12-18 At&T Bell Laboratories Classifier for high speed voiceband digital data modem signals
US5123009A (en) * 1990-10-26 1992-06-16 Racal Data Communications Inc. Method and apparatus for disabling an echo canceller
FI89659C (fi) * 1991-11-04 1993-10-25 Nokia Telecommunications Oy Foerfarande foer identifiering av en spaerrsignal hos en ekoslaeckare
IT1271931B (it) * 1993-02-09 1997-06-10 Italtel Spa Procedimento e dispositivo per il riconoscimento del tono di disabilitazione del cancellatore d'eco in una centrale telefonica di commutazione

Also Published As

Publication number Publication date
EP0953233A1 (en) 1999-11-03
JP3983809B2 (ja) 2007-09-26
DE69730351D1 (de) 2004-09-23
EP0953233B1 (en) 2004-08-18
US5815568A (en) 1998-09-29
AU1679497A (en) 1997-08-22
WO1997028613A1 (en) 1997-08-07
CN1214818A (zh) 1999-04-21
DE69730351T2 (de) 2005-06-23
JP2000504172A (ja) 2000-04-04

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