KR101172180B1 - 멀티-마이크로폰 기반 스피치 향상을 위한 시스템들, 방법들, 및 장치 - Google Patents

멀티-마이크로폰 기반 스피치 향상을 위한 시스템들, 방법들, 및 장치 Download PDF

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KR101172180B1
KR101172180B1 KR1020107015904A KR20107015904A KR101172180B1 KR 101172180 B1 KR101172180 B1 KR 101172180B1 KR 1020107015904 A KR1020107015904 A KR 1020107015904A KR 20107015904 A KR20107015904 A KR 20107015904A KR 101172180 B1 KR101172180 B1 KR 101172180B1
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signal
spatial processing
input signal
channel
processor
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KR20100105700A (ko
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궉-레웅 찬
제레미 토만
에릭 비써
현진 박
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콸콤 인코포레이티드
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    • 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
    • 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

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  • 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)
  • Telephone Function (AREA)
KR1020107015904A 2007-12-19 2008-12-18 멀티-마이크로폰 기반 스피치 향상을 위한 시스템들, 방법들, 및 장치 Expired - Fee Related KR101172180B1 (ko)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US1508407P 2007-12-19 2007-12-19
US61/015,084 2007-12-19
US1679207P 2007-12-26 2007-12-26
US61/016,792 2007-12-26
US7714708P 2008-06-30 2008-06-30
US61/077,147 2008-06-30
US7935908P 2008-07-09 2008-07-09
US61/079,359 2008-07-09
US12/334,246 2008-12-12
US12/334,246 US8175291B2 (en) 2007-12-19 2008-12-12 Systems, methods, and apparatus for multi-microphone based speech enhancement
PCT/US2008/087541 WO2009086017A1 (en) 2007-12-19 2008-12-18 Systems, methods, and apparatus for multi-microphone based speech enhancement

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KR20100105700A KR20100105700A (ko) 2010-09-29
KR101172180B1 true KR101172180B1 (ko) 2012-08-07

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US (1) US8175291B2 (enExample)
EP (1) EP2229678A1 (enExample)
JP (1) JP5479364B2 (enExample)
KR (1) KR101172180B1 (enExample)
CN (1) CN101903948B (enExample)
TW (1) TW200939210A (enExample)
WO (1) WO2009086017A1 (enExample)

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CN101903948B (zh) 2013-11-06

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