KR20160003844A - 멀티-채널 에코 소거 및 잡음 억제 - Google Patents

멀티-채널 에코 소거 및 잡음 억제 Download PDF

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KR20160003844A
KR20160003844A KR1020157034261A KR20157034261A KR20160003844A KR 20160003844 A KR20160003844 A KR 20160003844A KR 1020157034261 A KR1020157034261 A KR 1020157034261A KR 20157034261 A KR20157034261 A KR 20157034261A KR 20160003844 A KR20160003844 A KR 20160003844A
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South Korea
Prior art keywords
echo
estimate
masking
communication device
noise
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Korean (ko)
Inventor
아시프 이크발 모하마드
래훈 김
이안 어난 리우
에릭 비세르
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퀄컴 인코포레이티드
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    • 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
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020157034261A 2013-05-03 2014-04-23 멀티-채널 에코 소거 및 잡음 억제 Withdrawn KR20160003844A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361819423P 2013-05-03 2013-05-03
US61/819,423 2013-05-03
US14/156,292 US9936290B2 (en) 2013-05-03 2014-01-15 Multi-channel echo cancellation and noise suppression
US14/156,292 2014-01-15
PCT/US2014/035190 WO2014179135A1 (en) 2013-05-03 2014-04-23 Multi-channel echo cancellation and noise suppression

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KR20160003844A true KR20160003844A (ko) 2016-01-11

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US (1) US9936290B2 (enExample)
EP (1) EP2992668B1 (enExample)
JP (1) JP2016518628A (enExample)
KR (1) KR20160003844A (enExample)
CN (1) CN105144674B (enExample)
WO (1) WO2014179135A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
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WO2020045898A1 (ko) * 2018-08-27 2020-03-05 서강대학교산학협력단 스테레오 노이즈 제거 장치 및 스테레오 노이즈 제거 방법

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US20140328490A1 (en) 2014-11-06
EP2992668B1 (en) 2018-02-21
WO2014179135A8 (en) 2015-05-07
US9936290B2 (en) 2018-04-03
JP2016518628A (ja) 2016-06-23
EP2992668A1 (en) 2016-03-09
WO2014179135A1 (en) 2014-11-06
CN105144674B (zh) 2017-09-29
CN105144674A (zh) 2015-12-09

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