ATE348492T1 - Verfahren und vorrichtung zur separierung von schallsignalen - Google Patents

Verfahren und vorrichtung zur separierung von schallsignalen

Info

Publication number
ATE348492T1
ATE348492T1 AT05707893T AT05707893T ATE348492T1 AT E348492 T1 ATE348492 T1 AT E348492T1 AT 05707893 T AT05707893 T AT 05707893T AT 05707893 T AT05707893 T AT 05707893T AT E348492 T1 ATE348492 T1 AT E348492T1
Authority
AT
Austria
Prior art keywords
signals
frequency
angle
microphone signals
incidence
Prior art date
Application number
AT05707893T
Other languages
English (en)
Inventor
Dietmar Dr Ruwisch
Original Assignee
Dietmar Dr Ruwisch
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 Dietmar Dr Ruwisch filed Critical Dietmar Dr Ruwisch
Application granted granted Critical
Publication of ATE348492T1 publication Critical patent/ATE348492T1/de

Links

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
    • 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
    • G10L2021/02166—Microphone arrays; Beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (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)
  • Electrophonic Musical Instruments (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AT05707893T 2004-02-06 2005-01-31 Verfahren und vorrichtung zur separierung von schallsignalen ATE348492T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004005998A DE102004005998B3 (de) 2004-02-06 2004-02-06 Verfahren und Vorrichtung zur Separierung von Schallsignalen

Publications (1)

Publication Number Publication Date
ATE348492T1 true ATE348492T1 (de) 2007-01-15

Family

ID=34485667

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05707893T ATE348492T1 (de) 2004-02-06 2005-01-31 Verfahren und vorrichtung zur separierung von schallsignalen

Country Status (5)

Country Link
US (1) US7327852B2 (de)
EP (1) EP1595427B1 (de)
AT (1) ATE348492T1 (de)
DE (2) DE102004005998B3 (de)
WO (1) WO2005076659A1 (de)

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DE102009029367B4 (de) 2009-09-11 2012-01-12 Dietmar Ruwisch Verfahren und Vorrichtung zur Analyse und Abstimmung akustischer Eigenschaften einer Kfz-Freisprecheinrichtung
FR2950461B1 (fr) * 2009-09-22 2011-10-21 Parrot Procede de filtrage optimise des bruits non stationnaires captes par un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile
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US8472120B2 (en) 2010-02-28 2013-06-25 Osterhout Group, Inc. See-through near-eye display glasses with a small scale image source
US8482859B2 (en) 2010-02-28 2013-07-09 Osterhout Group, Inc. See-through near-eye display glasses wherein image light is transmitted to and reflected from an optically flat film
US20120249797A1 (en) 2010-02-28 2012-10-04 Osterhout Group, Inc. Head-worn adaptive display
US9285589B2 (en) 2010-02-28 2016-03-15 Microsoft Technology Licensing, Llc AR glasses with event and sensor triggered control of AR eyepiece applications
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US9031256B2 (en) 2010-10-25 2015-05-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for orientation-sensitive recording control
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CN107785028B (zh) * 2016-08-25 2021-06-18 上海英波声学工程技术股份有限公司 基于信号自相关的语音降噪方法及装置
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EP3764358B1 (de) 2019-07-10 2024-05-22 Analog Devices International Unlimited Company Signalverarbeitungsverfahren und -systeme zur strahlformung mit windblasschutz
EP3764660B1 (de) 2019-07-10 2023-08-30 Analog Devices International Unlimited Company Signalverarbeitungsverfahren und systeme für adaptive strahlenformung
EP3764664B1 (de) 2019-07-10 2025-02-12 Analog Devices International Unlimited Company Signalverarbeitungsverfahren und systeme zur strahlformung mit mikrofontoleranzkompensation
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CN117935837B (zh) * 2024-03-25 2024-05-24 中国空气动力研究与发展中心计算空气动力研究所 一种时域多声源定位及噪声处理方法

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Also Published As

Publication number Publication date
EP1595427A1 (de) 2005-11-16
DE502005000226D1 (de) 2007-01-25
US7327852B2 (en) 2008-02-05
US20070003074A1 (en) 2007-01-04
EP1595427B1 (de) 2006-12-13
WO2005076659A1 (de) 2005-08-18
DE102004005998B3 (de) 2005-05-25

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