ATE426274T1 - Echolíscher mit durch stírungspegel gesteuerter schrittgrísse - Google Patents
Echolíscher mit durch stírungspegel gesteuerter schrittgrísseInfo
- Publication number
- ATE426274T1 ATE426274T1 AT05702731T AT05702731T ATE426274T1 AT E426274 T1 ATE426274 T1 AT E426274T1 AT 05702731 T AT05702731 T AT 05702731T AT 05702731 T AT05702731 T AT 05702731T AT E426274 T1 ATE426274 T1 AT E426274T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- echo
- echolic
- measure
- generating
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04B3/234—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 using double talk detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/085—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using digital techniques
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Noise Elimination (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04100326 | 2004-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE426274T1 true ATE426274T1 (de) | 2009-04-15 |
Family
ID=34814376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05702731T ATE426274T1 (de) | 2004-01-29 | 2005-01-20 | Echolíscher mit durch stírungspegel gesteuerter schrittgrísse |
Country Status (8)
Country | Link |
---|---|
US (1) | US7813497B2 (de) |
EP (1) | EP1714398B8 (de) |
JP (1) | JP4836032B2 (de) |
KR (1) | KR101045712B1 (de) |
CN (1) | CN1914819B (de) |
AT (1) | ATE426274T1 (de) |
DE (1) | DE602005013362D1 (de) |
WO (1) | WO2005074156A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111469260A (zh) * | 2020-04-28 | 2020-07-31 | 王安全 | 一种干法生产制备的石膏砌块 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1714398B8 (de) | 2004-01-29 | 2009-08-12 | Nxp B.V. | Echolöscher mit durch störungspegel gesteuerter schrittgrösse |
JP4438720B2 (ja) | 2005-08-17 | 2010-03-24 | ソニー株式会社 | エコーキャンセラ及びマイク装置 |
KR20080058870A (ko) * | 2006-12-22 | 2008-06-26 | 에스케이텔레시스 주식회사 | Ics중계기의 간섭제거장치 |
US8369511B2 (en) * | 2006-12-26 | 2013-02-05 | Huawei Technologies Co., Ltd. | Robust method of echo suppressor |
CN101227537B (zh) * | 2007-01-19 | 2010-12-01 | 中兴通讯股份有限公司 | 一种宽带声学回声消除方法 |
ATE524807T1 (de) * | 2007-01-23 | 2011-09-15 | Siemens Ag Oesterreich | Verfahren zur identifikation von signalen gleichen ursprungs |
KR100830695B1 (ko) * | 2007-06-22 | 2008-05-20 | 에스케이텔레시스 주식회사 | 디지털 적응 간섭제거 중계기 |
KR100862715B1 (ko) * | 2007-06-22 | 2008-10-10 | 에스케이텔레시스 주식회사 | 디지털 적응 간섭제거 중계기 |
US8331552B2 (en) * | 2008-05-09 | 2012-12-11 | Agere Systems Llc | Detection of double talk in telecommunications networks |
US8208649B2 (en) * | 2009-04-28 | 2012-06-26 | Hewlett-Packard Development Company, L.P. | Methods and systems for robust approximations of impulse responses in multichannel audio-communication systems |
US20110102540A1 (en) * | 2009-11-03 | 2011-05-05 | Ashish Goyal | Filtering Auxiliary Audio from Vocal Audio in a Conference |
JP5975290B2 (ja) * | 2011-10-14 | 2016-08-23 | パナソニックIpマネジメント株式会社 | ハウリング抑圧装置、補聴器、ハウリング抑圧方法、及び集積回路 |
US8675901B2 (en) * | 2011-10-14 | 2014-03-18 | Panasonic Corporation | Howling suppression device, hearing aid, howling suppression method, and integrated circuit |
US8896651B2 (en) * | 2011-10-27 | 2014-11-25 | Polycom, Inc. | Portable devices as videoconferencing peripherals |
DK2590437T3 (da) * | 2011-11-03 | 2016-01-11 | Sivantos Pte Ltd | Periodisk adaptering af en tilbagekoblingsundertrykningsindretning |
CN103391381B (zh) * | 2012-05-10 | 2015-05-20 | 中兴通讯股份有限公司 | 回声消除方法及装置 |
US9473646B1 (en) * | 2013-09-16 | 2016-10-18 | Amazon Technologies, Inc. | Robust acoustic echo cancellation |
US9344579B2 (en) * | 2014-07-02 | 2016-05-17 | Microsoft Technology Licensing, Llc | Variable step size echo cancellation with accounting for instantaneous interference |
CN106782593B (zh) * | 2017-02-27 | 2019-10-25 | 重庆邮电大学 | 一种用于声学回声消除的多带结构自适应滤波器切换方法 |
US10819857B1 (en) * | 2019-01-22 | 2020-10-27 | Polycom, Inc. | Minimizing echo due to speaker-to-microphone coupling changes in an acoustic echo canceler |
CN113704684B (zh) * | 2021-07-27 | 2023-08-29 | 浙江工商大学 | 一种集中式融合鲁棒滤波方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4535206A (en) * | 1980-04-09 | 1985-08-13 | At&T Bell Laboratories | Echo cancellation in two-wire full-duplex data transmission with estimation of far-end data components |
CA1175521A (en) | 1980-04-09 | 1984-10-02 | David D. Falconer | Echo cancellation in two-wire full-duplex data transmission with estimation of far-end data components |
JPH0481133A (ja) * | 1990-07-20 | 1992-03-13 | Fujitsu Ltd | エコーキャンセラー |
FI935834A (fi) * | 1993-12-23 | 1995-06-24 | Nokia Telecommunications Oy | Menetelmä kaikukohtaan sovittautumiseksi kaiunpoistajassa |
US5606550A (en) | 1995-05-22 | 1997-02-25 | Hughes Electronics | Echo canceller and method for a voice network using low rate coding and digital speech interpolation transmission |
FR2738695B1 (fr) | 1995-09-13 | 1997-11-14 | France Telecom | Procede et dispositif d'identification adaptative et annuleur d'echo adaptatif incluant un tel dispositif |
FR2748184B1 (fr) | 1996-04-26 | 1998-07-17 | France Telecom | Procede et dispositif d'annulation d'echo |
US5734715A (en) * | 1995-09-13 | 1998-03-31 | France Telecom | Process and device for adaptive identification and adaptive echo canceller relating thereto |
JPH09266456A (ja) * | 1996-03-28 | 1997-10-07 | Mitsubishi Electric Corp | エコーキャンセラ |
US7242762B2 (en) * | 2002-06-24 | 2007-07-10 | Freescale Semiconductor, Inc. | Monitoring and control of an adaptive filter in a communication system |
EP1714398B8 (de) | 2004-01-29 | 2009-08-12 | Nxp B.V. | Echolöscher mit durch störungspegel gesteuerter schrittgrösse |
-
2005
- 2005-01-20 EP EP05702731A patent/EP1714398B8/de not_active Not-in-force
- 2005-01-20 US US10/587,965 patent/US7813497B2/en not_active Expired - Fee Related
- 2005-01-20 WO PCT/IB2005/050236 patent/WO2005074156A1/en not_active Application Discontinuation
- 2005-01-20 AT AT05702731T patent/ATE426274T1/de not_active IP Right Cessation
- 2005-01-20 CN CN200580003444XA patent/CN1914819B/zh not_active Expired - Fee Related
- 2005-01-20 JP JP2006550423A patent/JP4836032B2/ja not_active Expired - Fee Related
- 2005-01-20 DE DE602005013362T patent/DE602005013362D1/de active Active
- 2005-01-20 KR KR1020067015565A patent/KR101045712B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111469260A (zh) * | 2020-04-28 | 2020-07-31 | 王安全 | 一种干法生产制备的石膏砌块 |
Also Published As
Publication number | Publication date |
---|---|
JP4836032B2 (ja) | 2011-12-14 |
EP1714398B1 (de) | 2009-03-18 |
CN1914819A (zh) | 2007-02-14 |
DE602005013362D1 (de) | 2009-04-30 |
CN1914819B (zh) | 2010-08-11 |
JP2007522720A (ja) | 2007-08-09 |
KR101045712B1 (ko) | 2011-06-30 |
KR20060128990A (ko) | 2006-12-14 |
EP1714398A1 (de) | 2006-10-25 |
US20090022074A1 (en) | 2009-01-22 |
WO2005074156A1 (en) | 2005-08-11 |
EP1714398B8 (de) | 2009-08-12 |
US7813497B2 (en) | 2010-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |