JP2007503795A5 - - Google Patents

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Publication number
JP2007503795A5
JP2007503795A5 JP2006533230A JP2006533230A JP2007503795A5 JP 2007503795 A5 JP2007503795 A5 JP 2007503795A5 JP 2006533230 A JP2006533230 A JP 2006533230A JP 2006533230 A JP2006533230 A JP 2006533230A JP 2007503795 A5 JP2007503795 A5 JP 2007503795A5
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JP
Japan
Prior art keywords
time delay
echo canceller
delay estimation
sequence
echo
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.)
Granted
Application number
JP2006533230A
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English (en)
Japanese (ja)
Other versions
JP2007503795A (ja
JP4538460B2 (ja
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Publication date
Priority claimed from US10/444,265 external-priority patent/US7107303B2/en
Application filed filed Critical
Publication of JP2007503795A publication Critical patent/JP2007503795A/ja
Publication of JP2007503795A5 publication Critical patent/JP2007503795A5/ja
Application granted granted Critical
Publication of JP4538460B2 publication Critical patent/JP4538460B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2006533230A 2003-05-23 2004-05-20 エコーキャンセラおよびスパースエコーキャンセラ Expired - Fee Related JP4538460B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/444,265 US7107303B2 (en) 2002-05-23 2003-05-23 Sparse echo canceller
PCT/US2004/015766 WO2004114541A2 (en) 2003-05-23 2004-05-20 Sparse echo canceller

Publications (3)

Publication Number Publication Date
JP2007503795A JP2007503795A (ja) 2007-02-22
JP2007503795A5 true JP2007503795A5 (enExample) 2009-04-09
JP4538460B2 JP4538460B2 (ja) 2010-09-08

Family

ID=33538941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006533230A Expired - Fee Related JP4538460B2 (ja) 2003-05-23 2004-05-20 エコーキャンセラおよびスパースエコーキャンセラ

Country Status (5)

Country Link
US (1) US7107303B2 (enExample)
EP (1) EP1636914B1 (enExample)
JP (1) JP4538460B2 (enExample)
CN (1) CN1813418B (enExample)
WO (1) WO2004114541A2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7069286B2 (en) * 2002-09-27 2006-06-27 Lucent Technologies Inc. Solution space principle component-based adaptive filter and method of operation thereof
US20070189505A1 (en) * 2006-01-31 2007-08-16 Freescale Semiconductor, Inc. Detecting reflections in a communication channel
US7779692B2 (en) * 2006-05-17 2010-08-24 The Board Of Regents Of The University Of Texas System Method for estimating strain, strain ratios and displacements in a target body
JP4743085B2 (ja) * 2006-11-08 2011-08-10 沖電気工業株式会社 エコーキャンセラ
KR100995990B1 (ko) * 2007-12-07 2010-11-22 삼성전자주식회사 통신 시스템의 신호 송수신 장치에서 반향 신호 제거 장치 및 방법
TW201010311A (en) * 2008-08-20 2010-03-01 Ic Plus Corp Echo canceller and echo cancellation method
US8452002B2 (en) * 2009-09-18 2013-05-28 At&T Intellectual Property I, L.P. Methods, apparatus and articles of manufacture to cancel echo for communication paths having long bulk delays
RU2011107596A (ru) * 2011-02-17 2012-08-27 Общество с ограниченной ответственностью "Айффорт Интернешнл" (RU) Способ лечения аллергических заболеваний
CN107026650B (zh) * 2016-01-29 2020-10-09 华为技术有限公司 一种模拟低通滤波器、模拟信息转换器以及滤波方法
US10594530B2 (en) * 2018-05-29 2020-03-17 Qualcomm Incorporated Techniques for successive peak reduction crest factor reduction

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0221221B1 (en) * 1985-10-30 1991-12-27 International Business Machines Corporation A process for determining an echo path flat delay and echo canceler using said process
US4789994A (en) * 1987-08-12 1988-12-06 American Telephone And Telegraph Company, At&T Bell Laboratories Adaptive equalizer using precursor error signal for convergence control
DE69125806T2 (de) * 1990-12-27 1997-09-25 Nippon Electric Co Adaptiver Filter geeignet zur schnellen Identifikation eines unbekannten Systems
JPH0514244A (ja) * 1991-07-05 1993-01-22 Fujitsu Ltd エコーキヤンセラ装置
JPH05152999A (ja) * 1991-11-29 1993-06-18 Nec Corp エコー消去装置
CA2060667C (en) * 1992-02-05 1998-12-08 Paul Marc Yatrou Adaptive sparse echo canceller using a sub-rate filter for active tap selection
US5402496A (en) * 1992-07-13 1995-03-28 Minnesota Mining And Manufacturing Company Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering
US5539774A (en) * 1994-06-15 1996-07-23 International Business Machines Corporation Dual decision equalization method and device
US5572262A (en) * 1994-12-29 1996-11-05 Philips Electronics North America Corporation Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
US5610909A (en) * 1995-05-31 1997-03-11 Lucent Technologies Inc. Multistage echo canceler including time variation compensation
US6044068A (en) * 1996-10-01 2000-03-28 Telefonaktiebolaget Lm Ericsson Silence-improved echo canceller
JP3241328B2 (ja) * 1998-09-30 2001-12-25 沖電気工業株式会社 エコーキャンセラ
JP2000183962A (ja) * 1998-12-14 2000-06-30 Fujitsu Ltd 音声会話装置及び方法
US6909782B2 (en) * 2000-09-08 2005-06-21 Intel Corporation Fast converging affine projection based echo canceller for sparse multi-path channels
US7388954B2 (en) * 2002-06-24 2008-06-17 Freescale Semiconductor, Inc. Method and apparatus for tone indication

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