EP1102243A3 - Procédé et dispositif pour la suppresion d'interférence d'un signal de sortie d'un transducteur acoustique - Google Patents

Procédé et dispositif pour la suppresion d'interférence d'un signal de sortie d'un transducteur acoustique Download PDF

Info

Publication number
EP1102243A3
EP1102243A3 EP00125116A EP00125116A EP1102243A3 EP 1102243 A3 EP1102243 A3 EP 1102243A3 EP 00125116 A EP00125116 A EP 00125116A EP 00125116 A EP00125116 A EP 00125116A EP 1102243 A3 EP1102243 A3 EP 1102243A3
Authority
EP
European Patent Office
Prior art keywords
interference
output signal
sound transducer
suppresion
interference 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.)
Withdrawn
Application number
EP00125116A
Other languages
German (de)
English (en)
Other versions
EP1102243A2 (fr
Inventor
Kristian Prof. Dr. Kroschel
Rainer Dr. Riedlinger
Marc Dr. Ihle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHLE, DR., MARC
Original Assignee
Universitaet Karlsruhe
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Universitaet Karlsruhe filed Critical Universitaet Karlsruhe
Publication of EP1102243A2 publication Critical patent/EP1102243A2/fr
Publication of EP1102243A3 publication Critical patent/EP1102243A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
EP00125116A 1999-11-17 2000-11-17 Procédé et dispositif pour la suppresion d'interférence d'un signal de sortie d'un transducteur acoustique Withdrawn EP1102243A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19955156 1999-11-17
DE1999155156 DE19955156A1 (de) 1999-11-17 1999-11-17 Verfahren und Vorrichtung zur Unterdrückung eines Störsignalanteils im Ausgangssignal eines Schallwandlermittels

Publications (2)

Publication Number Publication Date
EP1102243A2 EP1102243A2 (fr) 2001-05-23
EP1102243A3 true EP1102243A3 (fr) 2001-11-07

Family

ID=7929253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00125116A Withdrawn EP1102243A3 (fr) 1999-11-17 2000-11-17 Procédé et dispositif pour la suppresion d'interférence d'un signal de sortie d'un transducteur acoustique

Country Status (2)

Country Link
EP (1) EP1102243A3 (fr)
DE (1) DE19955156A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10310580A1 (de) 2003-03-11 2004-10-07 Siemens Audiologische Technik Gmbh Vorrichtung und Verfahren zur Adaption von Hörgerätemikrofonen
US20070230712A1 (en) * 2004-09-07 2007-10-04 Koninklijke Philips Electronics, N.V. Telephony Device with Improved Noise Suppression

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5610991A (en) * 1993-12-06 1997-03-11 U.S. Philips Corporation Noise reduction system and device, and a mobile radio station

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4307688A1 (de) * 1993-03-11 1994-09-15 Daimler Benz Ag Verfahren zur Geräuschreduktion für gestörte Sprachkanäle
DE4243831A1 (de) * 1992-12-23 1994-06-30 Daimler Benz Ag Verfahren zur Laufzeitschätzung an gestörten Sprachkanälen
DE4445983C2 (de) * 1994-12-22 1998-10-15 Becker Gmbh Verfahren zur Rauschunterdrückung und Vorrichtungen zur Durchführung der Verfahren
DE19650410C1 (de) * 1996-12-05 1998-05-07 Deutsche Telekom Ag Verfahren und Vorrichtung zur Stör- und Echounterdrückung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5610991A (en) * 1993-12-06 1997-03-11 U.S. Philips Corporation Noise reduction system and device, and a mobile radio station

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ELKO G W: "Microphone array systems for hands-free telecommunication", SPEECH COMMUNICATION, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 20, no. 3, 1 December 1996 (1996-12-01), pages 229 - 240, XP004016547, ISSN: 0167-6393 *

Also Published As

Publication number Publication date
EP1102243A2 (fr) 2001-05-23
DE19955156A1 (de) 2001-06-21

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