CN1251959A - 用于检测近端话音的方法和器件 - Google Patents

用于检测近端话音的方法和器件 Download PDF

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Publication number
CN1251959A
CN1251959A CN 99111988 CN99111988A CN1251959A CN 1251959 A CN1251959 A CN 1251959A CN 99111988 CN99111988 CN 99111988 CN 99111988 A CN99111988 A CN 99111988A CN 1251959 A CN1251959 A CN 1251959A
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CN
China
Prior art keywords
coefficient
bilateral
variance
signal
single session
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Pending
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CN 99111988
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English (en)
Chinese (zh)
Inventor
汤姆·李·弘
迈克尔·迈克劳夫林
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Motorola Solutions Inc
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Motorola Inc
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Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of CN1251959A publication Critical patent/CN1251959A/zh
Pending legal-status Critical Current

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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)
  • Filters That Use Time-Delay Elements (AREA)
CN 99111988 1998-08-04 1999-08-04 用于检测近端话音的方法和器件 Pending CN1251959A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12907698A 1998-08-04 1998-08-04
US09/129,076 1998-08-04

Publications (1)

Publication Number Publication Date
CN1251959A true CN1251959A (zh) 2000-05-03

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ID=22438352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99111988 Pending CN1251959A (zh) 1998-08-04 1999-08-04 用于检测近端话音的方法和器件

Country Status (3)

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CN (1) CN1251959A (de)
DE (1) DE19935587A1 (de)
GB (1) GB2342832B (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100466665C (zh) * 2005-09-28 2009-03-04 华为技术有限公司 一种检测电路单通的方法和装置
CN100530998C (zh) * 2002-10-30 2009-08-19 冲电气工业株式会社 带有回声路径变化探测器的回声消除器
CN1926841B (zh) * 2004-03-05 2011-05-18 汤姆森许可公司 带有多媒体训练信号的回声抵消器
CN1668058B (zh) * 2005-02-21 2011-06-15 南望信息产业集团有限公司 基于递归最小平方差的子带回声抵消器
CN101719969B (zh) * 2009-11-26 2013-10-02 美商威睿电通公司 判断双端对话的方法、***以及消除回声的方法和***
CN106033673A (zh) * 2015-03-09 2016-10-19 电信科学技术研究院 一种近端语音信号检测方法及装置
CN108353107A (zh) * 2015-11-13 2018-07-31 伯斯有限公司 用于声学回声消除的双端通话检测
CN111654585A (zh) * 2020-03-26 2020-09-11 紫光展锐(重庆)科技有限公司 回声声场状态确定方法及装置、存储介质、终端

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2946486B1 (fr) * 2009-06-09 2012-04-20 Parrot Procede de detection d'une situation de double parole pour dispositif telephonique "mains libres"

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0708535A4 (de) * 1994-05-06 2004-09-29 Nippon Telegraph & Telephone Verfahren und gerät zur detektion von doppelsprechen, sowie echokompensator

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100530998C (zh) * 2002-10-30 2009-08-19 冲电气工业株式会社 带有回声路径变化探测器的回声消除器
CN1926841B (zh) * 2004-03-05 2011-05-18 汤姆森许可公司 带有多媒体训练信号的回声抵消器
CN1668058B (zh) * 2005-02-21 2011-06-15 南望信息产业集团有限公司 基于递归最小平方差的子带回声抵消器
CN100466665C (zh) * 2005-09-28 2009-03-04 华为技术有限公司 一种检测电路单通的方法和装置
CN101719969B (zh) * 2009-11-26 2013-10-02 美商威睿电通公司 判断双端对话的方法、***以及消除回声的方法和***
CN106033673A (zh) * 2015-03-09 2016-10-19 电信科学技术研究院 一种近端语音信号检测方法及装置
CN106033673B (zh) * 2015-03-09 2019-09-17 电信科学技术研究院 一种近端语音信号检测方法及装置
CN108353107A (zh) * 2015-11-13 2018-07-31 伯斯有限公司 用于声学回声消除的双端通话检测
CN111654585A (zh) * 2020-03-26 2020-09-11 紫光展锐(重庆)科技有限公司 回声声场状态确定方法及装置、存储介质、终端
CN111654585B (zh) * 2020-03-26 2021-08-03 紫光展锐(重庆)科技有限公司 回声声场状态确定方法及装置、存储介质、终端

Also Published As

Publication number Publication date
DE19935587A1 (de) 2000-02-17
GB2342832B (en) 2001-03-21
GB2342832A (en) 2000-04-19
GB9917920D0 (en) 1999-09-29

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C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication