ATE524015T1 - Verfahren und vorrichtung zur verarbeitung mindestens zweier mikrofonsignale zur sendung eines ausgangssignals mit reduzierter interferenz - Google Patents

Verfahren und vorrichtung zur verarbeitung mindestens zweier mikrofonsignale zur sendung eines ausgangssignals mit reduzierter interferenz

Info

Publication number
ATE524015T1
ATE524015T1 AT07010160T AT07010160T ATE524015T1 AT E524015 T1 ATE524015 T1 AT E524015T1 AT 07010160 T AT07010160 T AT 07010160T AT 07010160 T AT07010160 T AT 07010160T AT E524015 T1 ATE524015 T1 AT E524015T1
Authority
AT
Austria
Prior art keywords
signal
microphone
echo
determining
processing
Prior art date
Application number
AT07010160T
Other languages
English (en)
Inventor
Tobias Wolff
Markus Buck
Original Assignee
Harman Becker Automotive Sys
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 Harman Becker Automotive Sys filed Critical Harman Becker Automotive Sys
Application granted granted Critical
Publication of ATE524015T1 publication Critical patent/ATE524015T1/de

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
    • 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
    • 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)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT07010160T 2007-05-22 2007-05-22 Verfahren und vorrichtung zur verarbeitung mindestens zweier mikrofonsignale zur sendung eines ausgangssignals mit reduzierter interferenz ATE524015T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07010160A EP1995940B1 (de) 2007-05-22 2007-05-22 Verfahren und Vorrichtung zur Verarbeitung mindestens zweier Mikrofonsignale zur Sendung eines Ausgangssignals mit reduzierter Interferenz

Publications (1)

Publication Number Publication Date
ATE524015T1 true ATE524015T1 (de) 2011-09-15

Family

ID=38226576

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07010160T ATE524015T1 (de) 2007-05-22 2007-05-22 Verfahren und vorrichtung zur verarbeitung mindestens zweier mikrofonsignale zur sendung eines ausgangssignals mit reduzierter interferenz

Country Status (3)

Country Link
US (1) US8189810B2 (de)
EP (1) EP1995940B1 (de)
AT (1) ATE524015T1 (de)

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US11438691B2 (en) 2019-03-21 2022-09-06 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality
US11445294B2 (en) 2019-05-23 2022-09-13 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
TW202105369A (zh) 2019-05-31 2021-02-01 美商舒爾獲得控股公司 整合語音及雜訊活動偵測之低延時自動混波器
US11297426B2 (en) 2019-08-23 2022-04-05 Shure Acquisition Holdings, Inc. One-dimensional array microphone with improved directivity
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
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Also Published As

Publication number Publication date
US20080298602A1 (en) 2008-12-04
EP1995940A1 (de) 2008-11-26
US8189810B2 (en) 2012-05-29
EP1995940B1 (de) 2011-09-07

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