ATE457597T1 - Verfahren zur unterdrückung akustischer restechos nach echounterdrückung bei einer freisprecheinrichtung - Google Patents
Verfahren zur unterdrückung akustischer restechos nach echounterdrückung bei einer freisprecheinrichtungInfo
- Publication number
- ATE457597T1 ATE457597T1 AT07823413T AT07823413T ATE457597T1 AT E457597 T1 ATE457597 T1 AT E457597T1 AT 07823413 T AT07823413 T AT 07823413T AT 07823413 T AT07823413 T AT 07823413T AT E457597 T1 ATE457597 T1 AT E457597T1
- Authority
- AT
- Austria
- Prior art keywords
- cancellation
- restechos
- ech
- hands
- free device
- Prior art date
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)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0609395A FR2908003B1 (fr) | 2006-10-26 | 2006-10-26 | Procede de reduction de l'echo acoustique residuel apres supression d'echo dans un dispositif"mains libres" |
PCT/FR2007/001361 WO2008049982A1 (fr) | 2006-10-26 | 2007-08-10 | Procédé de réduction de l'écho acoustique résiduel après suppression d'écho dans un dispositif 'mains libres' |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE457597T1 true ATE457597T1 (de) | 2010-02-15 |
Family
ID=37965104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07823413T ATE457597T1 (de) | 2006-10-26 | 2007-08-10 | Verfahren zur unterdrückung akustischer restechos nach echounterdrückung bei einer freisprecheinrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US8111833B2 (de) |
EP (1) | EP2057835B1 (de) |
AT (1) | ATE457597T1 (de) |
DE (1) | DE602007004738D1 (de) |
ES (1) | ES2341500T3 (de) |
FR (1) | FR2908003B1 (de) |
PT (1) | PT2057835E (de) |
WO (1) | WO2008049982A1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8582781B2 (en) * | 2009-01-20 | 2013-11-12 | Koplar Interactive Systems International, L.L.C. | Echo modulation methods and systems |
FR2946486B1 (fr) | 2009-06-09 | 2012-04-20 | Parrot | Procede de detection d'une situation de double parole pour dispositif telephonique "mains libres" |
EP2444966B1 (de) * | 2009-06-19 | 2019-07-10 | Fujitsu Limited | Vorrichtung zur audiosignalverarbeitung und verfahren zur audiosignalverarbeitung |
FR2948484B1 (fr) * | 2009-07-23 | 2011-07-29 | Parrot | Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile |
JP5156043B2 (ja) * | 2010-03-26 | 2013-03-06 | 株式会社東芝 | 音声判別装置 |
WO2012105880A1 (en) * | 2011-02-03 | 2012-08-09 | Telefonaktiebolaget L M Ericsson (Publ) | Estimation and suppression of harmonic loudspeaker nonlinearities |
JP5649488B2 (ja) * | 2011-03-11 | 2015-01-07 | 株式会社東芝 | 音声判別装置、音声判別方法および音声判別プログラム |
US8804977B2 (en) * | 2011-03-18 | 2014-08-12 | Dolby Laboratories Licensing Corporation | Nonlinear reference signal processing for echo suppression |
CN102739886B (zh) * | 2011-04-01 | 2013-10-16 | 中国科学院声学研究所 | 基于回声频谱估计和语音存在概率的立体声回声抵消方法 |
FR2976111B1 (fr) * | 2011-06-01 | 2013-07-05 | Parrot | Equipement audio comprenant des moyens de debruitage d'un signal de parole par filtrage a delai fractionnaire, notamment pour un systeme de telephonie "mains libres" |
US9666206B2 (en) * | 2011-08-24 | 2017-05-30 | Texas Instruments Incorporated | Method, system and computer program product for attenuating noise in multiple time frames |
US9065895B2 (en) * | 2012-02-22 | 2015-06-23 | Broadcom Corporation | Non-linear echo cancellation |
TWI449438B (zh) * | 2012-04-09 | 2014-08-11 | Quanta Comp Inc | 具有迴音消除機制之通訊系統及方法 |
CN104050971A (zh) | 2013-03-15 | 2014-09-17 | 杜比实验室特许公司 | 声学回声减轻装置和方法、音频处理装置和语音通信终端 |
CN103680514B (zh) * | 2013-12-13 | 2016-06-29 | 广州市百果园网络科技有限公司 | 网络语音通信中的信号处理方法和*** |
JP6361156B2 (ja) * | 2014-02-10 | 2018-07-25 | 沖電気工業株式会社 | 雑音推定装置、方法及びプログラム |
US9940945B2 (en) * | 2014-09-03 | 2018-04-10 | Marvell World Trade Ltd. | Method and apparatus for eliminating music noise via a nonlinear attenuation/gain function |
US9712866B2 (en) | 2015-04-16 | 2017-07-18 | Comigo Ltd. | Cancelling TV audio disturbance by set-top boxes in conferences |
US9900735B2 (en) | 2015-12-18 | 2018-02-20 | Federal Signal Corporation | Communication systems |
KR101934636B1 (ko) * | 2017-04-14 | 2019-01-02 | 한양대학교 산학협력단 | 심화신경망 기반의 잡음 및 에코의 통합 제거 방법 및 장치 |
JP6833616B2 (ja) * | 2017-05-29 | 2021-02-24 | 株式会社トランストロン | エコー抑圧装置、エコー抑圧方法及びエコー抑圧プログラム |
US10192567B1 (en) * | 2017-10-18 | 2019-01-29 | Motorola Mobility Llc | Echo cancellation and suppression in electronic device |
CN109901113B (zh) * | 2019-03-13 | 2020-08-11 | 出门问问信息科技有限公司 | 一种基于复杂环境的语音信号定位方法、装置及*** |
JP2023519249A (ja) | 2020-03-23 | 2023-05-10 | ドルビー ラボラトリーズ ライセンシング コーポレイション | エコー残留抑制 |
CN112709712B (zh) * | 2020-11-30 | 2022-04-08 | 南京航空航天大学 | 一种主动噪声多变量控制设计方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60102052A (ja) | 1983-11-09 | 1985-06-06 | Hitachi Ltd | 拡声通話機 |
JPH02209027A (ja) | 1989-02-09 | 1990-08-20 | Fujitsu Ltd | 音響エコーキャンセラー |
CA2107316C (en) | 1992-11-02 | 1996-12-17 | Roger David Benning | Electronic cancellation of ambient noise in telephone receivers |
GB2274372A (en) * | 1992-12-02 | 1994-07-20 | Ibm | Adaptive noise cancellation device |
US5680450A (en) | 1995-02-24 | 1997-10-21 | Ericsson Inc. | Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones |
DE69628618T2 (de) * | 1995-09-26 | 2004-05-13 | Nippon Telegraph And Telephone Corp. | Verfahren und Einrichtung zur mehrkanaligen Kompensation eines akustischen Echos |
US6442275B1 (en) * | 1998-09-17 | 2002-08-27 | Lucent Technologies Inc. | Echo canceler including subband echo suppressor |
US6658107B1 (en) * | 1998-10-23 | 2003-12-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for providing echo suppression using frequency domain nonlinear processing |
DE50012821D1 (de) * | 1999-02-26 | 2006-06-29 | Infineon Technologies Ag | Vorrichtung und verfahren zur geräuschunterdrückung in fernsprecheinrichtungen |
JP3640576B2 (ja) * | 1999-09-07 | 2005-04-20 | 沖電気工業株式会社 | エコーキャンセラ、及びその動作方法 |
AU1359601A (en) * | 1999-11-03 | 2001-05-14 | Tellabs Operations, Inc. | Integrated voice processing system for packet networks |
US6757395B1 (en) * | 2000-01-12 | 2004-06-29 | Sonic Innovations, Inc. | Noise reduction apparatus and method |
US7099458B2 (en) * | 2003-12-12 | 2006-08-29 | Motorola, Inc. | Downlink activity and double talk probability detector and method for an echo canceler circuit |
FR2898209B1 (fr) * | 2006-03-01 | 2008-12-12 | Parrot Sa | Procede de debruitage d'un signal audio |
US7885810B1 (en) * | 2007-05-10 | 2011-02-08 | Mediatek Inc. | Acoustic signal enhancement method and apparatus |
-
2006
- 2006-10-26 FR FR0609395A patent/FR2908003B1/fr not_active Expired - Fee Related
-
2007
- 2007-08-10 EP EP07823413A patent/EP2057835B1/de active Active
- 2007-08-10 DE DE602007004738T patent/DE602007004738D1/de active Active
- 2007-08-10 AT AT07823413T patent/ATE457597T1/de not_active IP Right Cessation
- 2007-08-10 US US12/445,076 patent/US8111833B2/en active Active
- 2007-08-10 PT PT07823413T patent/PT2057835E/pt unknown
- 2007-08-10 ES ES07823413T patent/ES2341500T3/es active Active
- 2007-08-10 WO PCT/FR2007/001361 patent/WO2008049982A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US8111833B2 (en) | 2012-02-07 |
WO2008049982A1 (fr) | 2008-05-02 |
FR2908003A1 (fr) | 2008-05-02 |
DE602007004738D1 (de) | 2010-03-25 |
FR2908003B1 (fr) | 2009-04-03 |
ES2341500T3 (es) | 2010-06-21 |
PT2057835E (pt) | 2010-05-07 |
US20090310796A1 (en) | 2009-12-17 |
EP2057835A1 (de) | 2009-05-13 |
EP2057835B1 (de) | 2010-02-10 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |