DE602005018023D1 - Kompensation des Echos und der Rückkopplung - Google Patents
Kompensation des Echos und der RückkopplungInfo
- Publication number
- DE602005018023D1 DE602005018023D1 DE602005018023T DE602005018023T DE602005018023D1 DE 602005018023 D1 DE602005018023 D1 DE 602005018023D1 DE 602005018023 T DE602005018023 T DE 602005018023T DE 602005018023 T DE602005018023 T DE 602005018023T DE 602005018023 D1 DE602005018023 D1 DE 602005018023D1
- Authority
- DE
- Germany
- Prior art keywords
- audio signals
- class
- audio
- loudspeaker
- signal
- 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
- 230000005236 sound signal Effects 0.000 abstract 8
- 238000001914 filtration Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Optical Communication System (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05009446A EP1718103B1 (de) | 2005-04-29 | 2005-04-29 | Kompensation des Echos und der Rückkopplung |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602005018023D1 true DE602005018023D1 (de) | 2010-01-14 |
Family
ID=35005841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005018023T Active DE602005018023D1 (de) | 2005-04-29 | 2005-04-29 | Kompensation des Echos und der Rückkopplung |
Country Status (4)
Country | Link |
---|---|
US (1) | US8165310B2 (de) |
EP (1) | EP1718103B1 (de) |
AT (1) | ATE450983T1 (de) |
DE (1) | DE602005018023D1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4774100B2 (ja) * | 2006-03-03 | 2011-09-14 | 日本電信電話株式会社 | 残響除去装置、残響除去方法、残響除去プログラム及び記録媒体 |
US8194873B2 (en) * | 2006-06-26 | 2012-06-05 | Davis Pan | Active noise reduction adaptive filter leakage adjusting |
WO2008122930A1 (en) * | 2007-04-04 | 2008-10-16 | Koninklijke Philips Electronics N.V. | Sound enhancement in closed spaces |
US8204242B2 (en) * | 2008-02-29 | 2012-06-19 | Bose Corporation | Active noise reduction adaptive filter leakage adjusting |
US8355512B2 (en) * | 2008-10-20 | 2013-01-15 | Bose Corporation | Active noise reduction adaptive filter leakage adjusting |
US8306240B2 (en) * | 2008-10-20 | 2012-11-06 | Bose Corporation | Active noise reduction adaptive filter adaptation rate adjusting |
WO2010105694A1 (en) * | 2009-03-20 | 2010-09-23 | Signal Processing Devices Sweden Ab | Methods and apparatuses for compensation of i/q imbalance |
EP2237271B1 (de) * | 2009-03-31 | 2021-01-20 | Cerence Operating Company | Verfahren zur Bestimmung einer Signalkomponente zum Reduzieren von Rauschen in einem Eingangssignal |
US8223943B2 (en) | 2009-04-14 | 2012-07-17 | Citrix Systems Inc. | Systems and methods for computer and voice conference audio transmission during conference call via PSTN phone |
US8977684B2 (en) | 2009-04-14 | 2015-03-10 | Citrix Systems, Inc. | Systems and methods for computer and voice conference audio transmission during conference call via VoIP device |
EP2490218B1 (de) | 2011-02-18 | 2019-09-25 | Svox AG | Verfahren zur Interferenzunterdrückung |
EP2817802B1 (de) * | 2012-02-24 | 2016-12-07 | Dolby International AB | Audioverarbeitung |
EP2980789A1 (de) * | 2014-07-30 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Verbesserung eines Audiosignals, Tonverbesserungssystem |
EP3024252B1 (de) | 2014-11-19 | 2018-01-31 | Harman Becker Automotive Systems GmbH | Tonsystem zur Erzeugung einer Klangzone |
EP3133831A1 (de) * | 2015-08-20 | 2017-02-22 | Harman Becker Automotive Systems GmbH | System und methode für kommunikation im auto |
US10002601B2 (en) | 2015-12-30 | 2018-06-19 | Qualcomm Incorporated | In-vehicle communication signal processing |
US20180190306A1 (en) * | 2017-01-04 | 2018-07-05 | 2236008 Ontario Inc. | Voice interface and vocal entertainment system |
DE102017200597B4 (de) * | 2017-01-16 | 2020-03-26 | Sivantos Pte. Ltd. | Verfahren zum Betrieb eines Hörsystems und Hörsystem |
DE102018127071B3 (de) * | 2018-10-30 | 2020-01-09 | Harman Becker Automotive Systems Gmbh | Audiosignalverarbeitung mit akustischer Echounterdrückung |
US11211061B2 (en) | 2019-01-07 | 2021-12-28 | 2236008 Ontario Inc. | Voice control in a multi-talker and multimedia environment |
CN117529772A (zh) * | 2021-02-14 | 2024-02-06 | 赛朗声学技术有限公司 | 用于开放式声学耳机处的主动声学控制(aac)的设备、***和方法 |
US11705101B1 (en) | 2022-03-28 | 2023-07-18 | International Business Machines Corporation | Irrelevant voice cancellation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU712787B2 (en) * | 1996-04-03 | 1999-11-18 | British Telecommunications Public Limited Company | Acoustic feedback correction |
DE69627359T2 (de) | 1996-08-01 | 2003-10-30 | Nortel Networks Ltd | Verbesserter echokompensator mit anwendung in der digitalen telefonie |
US6421998B1 (en) | 2000-06-13 | 2002-07-23 | The Boeing Company | Thruster device responsive to solar radiation |
AU2002224413A1 (en) | 2000-10-19 | 2002-04-29 | Lear Corporation | Transient processing for communication system |
US7171003B1 (en) * | 2000-10-19 | 2007-01-30 | Lear Corporation | Robust and reliable acoustic echo and noise cancellation system for cabin communication |
WO2002101728A1 (es) | 2001-06-11 | 2002-12-19 | Lear Automotive (Eeds) Spain, S.L. | Metodo y sistema para cancelacion de exos y ruidos en entornos con condiciones acusticas variables y altamente realimentados |
JP2004537233A (ja) * | 2001-07-20 | 2004-12-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | エコー抑圧回路及びラウドスピーカ・ビームフォーマを有する音響補強システム |
US20030061032A1 (en) * | 2001-09-24 | 2003-03-27 | Clarity, Llc | Selective sound enhancement |
DE10153188C2 (de) * | 2001-10-27 | 2003-08-21 | Grundig Ag I Ins | Vorrichtung und Verfahren zur mehrkanaligen akustischen Echokompensation mit variabler Kanalzahl |
-
2005
- 2005-04-29 EP EP05009446A patent/EP1718103B1/de not_active Not-in-force
- 2005-04-29 AT AT05009446T patent/ATE450983T1/de not_active IP Right Cessation
- 2005-04-29 DE DE602005018023T patent/DE602005018023D1/de active Active
-
2006
- 2006-04-25 US US11/411,004 patent/US8165310B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8165310B2 (en) | 2012-04-24 |
EP1718103A1 (de) | 2006-11-02 |
ATE450983T1 (de) | 2009-12-15 |
EP1718103B1 (de) | 2009-12-02 |
US20070110254A1 (en) | 2007-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE602005018023D1 (de) | Kompensation des Echos und der Rückkopplung | |
ATE430975T1 (de) | Reduzierung von hintergrundrauschen in freisprechsystemen | |
CN107636758B (zh) | 声学回声消除***和方法 | |
WO2009043842A8 (en) | Hearing aid system with feedback arrangement to predict and cancel acoustic feedback, method and use | |
JP5371197B2 (ja) | マルチチャネルエコー補正システムおよび方法 | |
ATE436151T1 (de) | Kompensation von mehrkanalechos durch dekorrelation | |
US9509854B2 (en) | Echo cancellation | |
ATE521064T1 (de) | Verstärkung und spektralformenanpassung bei der verarbeitung von audiosignalen | |
WO2007018802A3 (en) | Method and system for operation of a voice activity detector | |
US9344050B2 (en) | Dynamic speaker management with echo cancellation | |
US20180115650A1 (en) | Device for assisting two-way conversation and method for assisting two-way conversation | |
DK1992193T3 (da) | Høreapparat og fremgangsmåde til at anvende forstærkningsbegrænsning i et høreapparat | |
DE602004015987D1 (de) | Mehrkanalige adaptive Sprachsignalverarbeitung mit Rauschunterdrückung | |
WO2006012578A3 (en) | Separation of target acoustic signals in a multi-transducer arrangement | |
DK1974587T3 (da) | Fremgangsmåde og system til udligning af en højttaler i et lokale | |
WO2007125132A3 (en) | Method for feedback cancelling in a hearing device and a hearing device | |
WO2006076531A3 (en) | Active vibration attenuation for implantable microphone | |
ATE476733T1 (de) | Verfahren zum verarbeiten eines rauschbehafteten tonsignals und einrichtung zur implementierung des verfahrens | |
EP2621198A3 (de) | Verfahren zur adaptiven Rückkopplungsunterdrückung und Vorrichtung dafür | |
WO2009044562A1 (ja) | マイクロホンを用いた雑音抽出装置 | |
EP1580730A3 (de) | Trennung von Sprachsignalen unter Verwendung von neuronalen Netzen | |
WO2005081584A3 (en) | Hearing aid with feedback cancellation | |
DE602004017603D1 (de) | Sprachsignalverarbeitung für die gemeinsame adaptive Reduktion von Störgeräuschen und von akustischen Echos | |
WO2008045985A3 (en) | Microphone microchip device with differential mode noise suppression | |
DE602006009770D1 (de) | Echoverringerung für zeitvariante Systeme |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |