DE602006012528D1 - Akustischer echolöscher - Google Patents
Akustischer echolöscherInfo
- Publication number
- DE602006012528D1 DE602006012528D1 DE602006012528T DE602006012528T DE602006012528D1 DE 602006012528 D1 DE602006012528 D1 DE 602006012528D1 DE 602006012528 T DE602006012528 T DE 602006012528T DE 602006012528 T DE602006012528 T DE 602006012528T DE 602006012528 D1 DE602006012528 D1 DE 602006012528D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- pitch
- unit
- post
- estimated pitch
- 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.)
- Active
Links
Classifications
-
- 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
- H04M9/082—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 echo cancellers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Telephone Function (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05109829 | 2005-10-21 | ||
PCT/IB2006/053856 WO2007046070A1 (en) | 2005-10-21 | 2006-10-19 | Acoustic echo canceller |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602006012528D1 true DE602006012528D1 (de) | 2010-04-08 |
Family
ID=37728317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602006012528T Active DE602006012528D1 (de) | 2005-10-21 | 2006-10-19 | Akustischer echolöscher |
Country Status (7)
Country | Link |
---|---|
US (1) | US8107616B2 (de) |
EP (1) | EP1941712B1 (de) |
JP (1) | JP4814329B2 (de) |
CN (1) | CN101292508B (de) |
AT (1) | ATE459196T1 (de) |
DE (1) | DE602006012528D1 (de) |
WO (1) | WO2007046070A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8296136B2 (en) * | 2007-11-15 | 2012-10-23 | Qnx Software Systems Limited | Dynamic controller for improving speech intelligibility |
JP5239359B2 (ja) | 2008-01-31 | 2013-07-17 | ヤマハ株式会社 | ハウリング抑制装置 |
EP2380339B1 (de) | 2008-12-22 | 2018-08-15 | Koninklijke Philips N.V. | Bestimmen einer akustischen kopplung zwischen einem sprechersignal des fernen endes und einem kombinierten signal |
CN102016530B (zh) * | 2009-02-13 | 2012-11-14 | 华为技术有限公司 | 一种基音周期检测方法和装置 |
US9195860B1 (en) | 2014-01-10 | 2015-11-24 | Seagate Technology Llc | Adaptively combining waveforms |
GB2519392B (en) * | 2014-04-02 | 2016-02-24 | Imagination Tech Ltd | Auto-tuning of an acoustic echo canceller |
JP6109450B2 (ja) * | 2014-12-15 | 2017-04-05 | 三菱電機株式会社 | エコーキャンセラ装置およびエコーキャンセル方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5307405A (en) | 1992-09-25 | 1994-04-26 | Qualcomm Incorporated | Network echo canceller |
US6272106B1 (en) | 1994-05-06 | 2001-08-07 | Nit Mobile Communications Network, Inc. | Method and device for detecting double-talk, and echo canceler |
WO1997045995A1 (en) | 1996-05-31 | 1997-12-04 | Philips Electronics N.V. | Arrangement for suppressing an interfering component of an input signal |
US6269161B1 (en) | 1999-05-20 | 2001-07-31 | Signalworks, Inc. | System and method for near-end talker detection by spectrum analysis |
US6510224B1 (en) | 1999-05-20 | 2003-01-21 | Telefonaktiebolaget L M Ericsson | Enhancement of near-end voice signals in an echo suppression system |
FR2802375B1 (fr) * | 1999-12-09 | 2002-09-20 | France Telecom | Dispositif de traitement de l'echo dans un systeme de communication au niveau d'un terminal |
US6961422B2 (en) * | 2001-12-28 | 2005-11-01 | Avaya Technology Corp. | Gain control method for acoustic echo cancellation and suppression |
WO2004002127A1 (en) * | 2002-06-19 | 2003-12-31 | Koninklijke Philips Electronics N.V. | Non stationary echo canceller |
JP4403491B2 (ja) * | 2003-11-26 | 2010-01-27 | ソニー株式会社 | エコーキャンセラ、エコーキャンセル方法及びエコーキャンセルプログラム |
US8170879B2 (en) * | 2004-10-26 | 2012-05-01 | Qnx Software Systems Limited | Periodic signal enhancement system |
-
2006
- 2006-10-19 US US12/090,498 patent/US8107616B2/en active Active
- 2006-10-19 DE DE602006012528T patent/DE602006012528D1/de active Active
- 2006-10-19 CN CN2006800391530A patent/CN101292508B/zh active Active
- 2006-10-19 AT AT06809648T patent/ATE459196T1/de not_active IP Right Cessation
- 2006-10-19 JP JP2008536193A patent/JP4814329B2/ja active Active
- 2006-10-19 WO PCT/IB2006/053856 patent/WO2007046070A1/en active Application Filing
- 2006-10-19 EP EP06809648A patent/EP1941712B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
CN101292508B (zh) | 2011-05-25 |
WO2007046070A1 (en) | 2007-04-26 |
JP4814329B2 (ja) | 2011-11-16 |
CN101292508A (zh) | 2008-10-22 |
US8107616B2 (en) | 2012-01-31 |
US20080253552A1 (en) | 2008-10-16 |
EP1941712A1 (de) | 2008-07-09 |
JP2009513054A (ja) | 2009-03-26 |
ATE459196T1 (de) | 2010-03-15 |
EP1941712B1 (de) | 2010-02-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE460809T1 (de) | Akustischer echokompensator | |
DE602006012528D1 (de) | Akustischer echolöscher | |
JP2011024163A5 (de) | ||
JP6243536B2 (ja) | エコー打ち消し | |
WO2008045537A3 (en) | System and method for canceling acoustic echoes in audio-conference communication systems | |
EP1727344A3 (de) | Verbesserte Echounterdrückung in den Telefonen mit mehrfachen Mikrophonen | |
JP2008141734A (ja) | エコーキャンセラ及び通話音声処理装置 | |
WO2012075343A3 (en) | Oversight control of an adaptive noise canceler in a personal audio device | |
IN2014KN02284A (de) | ||
PT2057835E (pt) | Método de redução do eco acústico residual após supressão de eco num dispositivo ''mãos livres'' | |
EP1978649A3 (de) | Spektrumdomäne, nicht lineares Echoabbruchsverfahren und freihändige Vorrichtung | |
JP2006519554A5 (de) | ||
ATE450977T1 (de) | Schaltungsanordnung zur unterdrückung akustischer echos bei einer freisprecheinrichtung verwendbar mit einem tragbaren telefon | |
WO2012166511A3 (en) | Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices | |
CN105338450A (zh) | 一种残留回波抑制方法及装置 | |
ATE313211T1 (de) | System und verfahren zur erkennung eines nahen sprechers durch spektrumanalyse | |
ATE476733T1 (de) | Verfahren zum verarbeiten eines rauschbehafteten tonsignals und einrichtung zur implementierung des verfahrens | |
EP2621198A3 (de) | Verfahren zur adaptiven Rückkopplungsunterdrückung und Vorrichtung dafür | |
EP2793225A3 (de) | Bandbegrenzender Rauschschutz in persönlichen Audiovorrichtungen mit adaptiver Rauschunterdrückung (ANC) | |
ATE471032T1 (de) | Verfahren und system zur echolöschung bei wenig verzögerung | |
ATE455431T1 (de) | Hörbarkeitsverbesserung | |
JP2008141735A (ja) | エコーキャンセラ及び通話音声処理装置 | |
EP2101480A3 (de) | Echokompensator und Echokompensationsverfahren | |
JP2007306546A (ja) | 時変拡声器−部屋−マイクロホンシステムにおけるエコー減少 | |
EP2741481A3 (de) | Subband-Domänenechomaskierung für verbesserte Duplexität von spektralen Domänenechounterdrückern |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |