ATE291323T1 - Telefongerät - Google Patents
TelefongerätInfo
- Publication number
- ATE291323T1 ATE291323T1 AT02743028T AT02743028T ATE291323T1 AT E291323 T1 ATE291323 T1 AT E291323T1 AT 02743028 T AT02743028 T AT 02743028T AT 02743028 T AT02743028 T AT 02743028T AT E291323 T1 ATE291323 T1 AT E291323T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- input
- output
- sub
- magnitude
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0111776A GB2375688B (en) | 2001-05-14 | 2001-05-14 | Telephone apparatus and a communication method using such apparatus |
PCT/EP2002/005372 WO2002096075A1 (en) | 2001-05-14 | 2002-05-13 | Telephone apparatus and a communication method using such apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE291323T1 true ATE291323T1 (de) | 2005-04-15 |
Family
ID=9914621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02743028T ATE291323T1 (de) | 2001-05-14 | 2002-05-13 | Telefongerät |
Country Status (6)
Country | Link |
---|---|
US (1) | US7212841B2 (de) |
EP (1) | EP1391101B1 (de) |
AT (1) | ATE291323T1 (de) |
DE (1) | DE60203282T2 (de) |
GB (1) | GB2375688B (de) |
WO (1) | WO2002096075A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8345890B2 (en) | 2006-01-05 | 2013-01-01 | Audience, Inc. | System and method for utilizing inter-microphone level differences for speech enhancement |
US8194880B2 (en) | 2006-01-30 | 2012-06-05 | Audience, Inc. | System and method for utilizing omni-directional microphones for speech enhancement |
US8204252B1 (en) | 2006-10-10 | 2012-06-19 | Audience, Inc. | System and method for providing close microphone adaptive array processing |
US8744844B2 (en) | 2007-07-06 | 2014-06-03 | Audience, Inc. | System and method for adaptive intelligent noise suppression |
US9185487B2 (en) | 2006-01-30 | 2015-11-10 | Audience, Inc. | System and method for providing noise suppression utilizing null processing noise subtraction |
US20070213010A1 (en) * | 2006-03-13 | 2007-09-13 | Alon Konchitsky | System, device, database and method for increasing the capacity and call volume of a communications network |
US8949120B1 (en) | 2006-05-25 | 2015-02-03 | Audience, Inc. | Adaptive noise cancelation |
US8150065B2 (en) | 2006-05-25 | 2012-04-03 | Audience, Inc. | System and method for processing an audio signal |
US8849231B1 (en) | 2007-08-08 | 2014-09-30 | Audience, Inc. | System and method for adaptive power control |
US8204253B1 (en) | 2008-06-30 | 2012-06-19 | Audience, Inc. | Self calibration of audio device |
US8934641B2 (en) | 2006-05-25 | 2015-01-13 | Audience, Inc. | Systems and methods for reconstructing decomposed audio signals |
US8259926B1 (en) | 2007-02-23 | 2012-09-04 | Audience, Inc. | System and method for 2-channel and 3-channel acoustic echo cancellation |
US8189766B1 (en) | 2007-07-26 | 2012-05-29 | Audience, Inc. | System and method for blind subband acoustic echo cancellation postfiltering |
US8143620B1 (en) | 2007-12-21 | 2012-03-27 | Audience, Inc. | System and method for adaptive classification of audio sources |
US8180064B1 (en) | 2007-12-21 | 2012-05-15 | Audience, Inc. | System and method for providing voice equalization |
US8194882B2 (en) | 2008-02-29 | 2012-06-05 | Audience, Inc. | System and method for providing single microphone noise suppression fallback |
US8355511B2 (en) | 2008-03-18 | 2013-01-15 | Audience, Inc. | System and method for envelope-based acoustic echo cancellation |
US8521530B1 (en) | 2008-06-30 | 2013-08-27 | Audience, Inc. | System and method for enhancing a monaural audio signal |
US8774423B1 (en) | 2008-06-30 | 2014-07-08 | Audience, Inc. | System and method for controlling adaptivity of signal modification using a phantom coefficient |
US9008329B1 (en) | 2010-01-26 | 2015-04-14 | Audience, Inc. | Noise reduction using multi-feature cluster tracker |
US9558755B1 (en) | 2010-05-20 | 2017-01-31 | Knowles Electronics, Llc | Noise suppression assisted automatic speech recognition |
JP5845827B2 (ja) * | 2011-11-07 | 2016-01-20 | トヨタ自動車株式会社 | ハイブリッド車両 |
US9640194B1 (en) | 2012-10-04 | 2017-05-02 | Knowles Electronics, Llc | Noise suppression for speech processing based on machine-learning mask estimation |
US9536540B2 (en) | 2013-07-19 | 2017-01-03 | Knowles Electronics, Llc | Speech signal separation and synthesis based on auditory scene analysis and speech modeling |
DE112015003945T5 (de) | 2014-08-28 | 2017-05-11 | Knowles Electronics, Llc | Mehrquellen-Rauschunterdrückung |
US11205437B1 (en) * | 2018-12-11 | 2021-12-21 | Amazon Technologies, Inc. | Acoustic echo cancellation control |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2137458B (en) * | 1983-03-01 | 1986-11-19 | Standard Telephones Cables Ltd | Digital handsfree telephone |
GB8621758D0 (en) * | 1986-09-10 | 1986-10-15 | Cass Group Plc | Call devices |
US5007046A (en) * | 1988-12-28 | 1991-04-09 | At&T Bell Laboratories | Computer controlled adaptive speakerphone |
US4959857A (en) * | 1988-12-28 | 1990-09-25 | At&T Bell Laboratories | Acoustic calibration arrangement for a voice switched speakerphone |
US5477535A (en) * | 1991-11-04 | 1995-12-19 | Nokia Telecommunications Oy | Method of preventing a divergence of an adaptive echo canceller in a noisy signal environment |
JPH07297900A (ja) * | 1994-04-26 | 1995-11-10 | Mitsubishi Electric Corp | 騒音対策通話機 |
JP3395388B2 (ja) * | 1994-08-16 | 2003-04-14 | ソニー株式会社 | 信号適応処理装置及びエコー抑圧装置 |
FR2729024A1 (fr) * | 1994-12-30 | 1996-07-05 | Matra Communication | Annuleur d'echo acoustique avec filtrage en sous-bandes |
JP3359460B2 (ja) * | 1995-03-20 | 2002-12-24 | 沖電気工業株式会社 | 適応フィルタ及びエコーキャンセラ |
US5771440A (en) * | 1996-05-31 | 1998-06-23 | Motorola, Inc. | Communication device with dynamic echo suppression and background noise estimation |
US5737695A (en) * | 1996-12-21 | 1998-04-07 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for controlling the use of discontinuous transmission in a cellular telephone |
US6185300B1 (en) * | 1996-12-31 | 2001-02-06 | Ericsson Inc. | Echo canceler for use in communications system |
US6031908A (en) * | 1997-11-14 | 2000-02-29 | Tellabs Operations, Inc. | Echo canceller employing dual-H architecture having variable adaptive gain settings |
US6148078A (en) * | 1998-01-09 | 2000-11-14 | Ericsson Inc. | Methods and apparatus for controlling echo suppression in communications systems |
DE19935808A1 (de) * | 1999-07-29 | 2001-02-08 | Ericsson Telefon Ab L M | Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit |
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 |
US6507653B1 (en) * | 2000-04-14 | 2003-01-14 | Ericsson Inc. | Desired voice detection in echo suppression |
US6799062B1 (en) * | 2000-10-19 | 2004-09-28 | Motorola Inc. | Full-duplex hands-free transparency circuit and method therefor |
-
2001
- 2001-05-14 GB GB0111776A patent/GB2375688B/en not_active Expired - Fee Related
-
2002
- 2002-05-13 AT AT02743028T patent/ATE291323T1/de not_active IP Right Cessation
- 2002-05-13 EP EP02743028A patent/EP1391101B1/de not_active Expired - Lifetime
- 2002-05-13 US US10/477,278 patent/US7212841B2/en not_active Expired - Fee Related
- 2002-05-13 WO PCT/EP2002/005372 patent/WO2002096075A1/en not_active Application Discontinuation
- 2002-05-13 DE DE60203282T patent/DE60203282T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60203282D1 (de) | 2005-04-21 |
DE60203282T2 (de) | 2006-03-30 |
GB0111776D0 (en) | 2001-07-04 |
WO2002096075A1 (en) | 2002-11-28 |
GB2375688B (en) | 2004-09-29 |
US7212841B2 (en) | 2007-05-01 |
EP1391101B1 (de) | 2005-03-16 |
US20040131178A1 (en) | 2004-07-08 |
EP1391101A1 (de) | 2004-02-25 |
GB2375688A (en) | 2002-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |