JP5347794B2 - エコー抑圧方法およびその装置 - Google Patents

エコー抑圧方法およびその装置 Download PDF

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JP5347794B2
JP5347794B2 JP2009169865A JP2009169865A JP5347794B2 JP 5347794 B2 JP5347794 B2 JP 5347794B2 JP 2009169865 A JP2009169865 A JP 2009169865A JP 2009169865 A JP2009169865 A JP 2009169865A JP 5347794 B2 JP5347794 B2 JP 5347794B2
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signal
echo
spectrum
background noise
gain
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JP2011024163A (ja
JP2011024163A5 (enExample
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恩彩 劉
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Yamaha Corp
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Yamaha Corp
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Priority to JP2009169865A priority Critical patent/JP5347794B2/ja
Priority to US12/837,658 priority patent/US8315380B2/en
Priority to CN201010235614XA priority patent/CN101964670B/zh
Publication of JP2011024163A publication Critical patent/JP2011024163A/ja
Publication of JP2011024163A5 publication Critical patent/JP2011024163A5/ja
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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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2009169865A 2009-07-21 2009-07-21 エコー抑圧方法およびその装置 Expired - Fee Related JP5347794B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009169865A JP5347794B2 (ja) 2009-07-21 2009-07-21 エコー抑圧方法およびその装置
US12/837,658 US8315380B2 (en) 2009-07-21 2010-07-16 Echo suppression method and apparatus thereof
CN201010235614XA CN101964670B (zh) 2009-07-21 2010-07-21 回声抑制方法及回声抑制设备

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JP2009169865A JP5347794B2 (ja) 2009-07-21 2009-07-21 エコー抑圧方法およびその装置

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JP2011024163A JP2011024163A (ja) 2011-02-03
JP2011024163A5 JP2011024163A5 (enExample) 2012-07-12
JP5347794B2 true JP5347794B2 (ja) 2013-11-20

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US (1) US8315380B2 (enExample)
JP (1) JP5347794B2 (enExample)
CN (1) CN101964670B (enExample)

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JP7590850B2 (ja) * 2019-11-12 2024-11-27 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ エコー抑圧装置、エコー抑圧方法及びエコー抑圧プログラム
CN110838300B (zh) * 2019-11-18 2022-03-25 紫光展锐(重庆)科技有限公司 回声消除的处理方法及处理系统
CN111092983B (zh) * 2019-12-25 2020-12-11 清华大学深圳国际研究生院 一种基于滑模变结构控制的语音通话回声与底噪抑制方法
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JP2011024163A (ja) 2011-02-03
CN101964670A (zh) 2011-02-02
US20110019831A1 (en) 2011-01-27
CN101964670B (zh) 2013-10-23
US8315380B2 (en) 2012-11-20

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