GB2342832B - Method and device for detecting near-end voice - Google Patents

Method and device for detecting near-end voice

Info

Publication number
GB2342832B
GB2342832B GB9917920A GB9917920A GB2342832B GB 2342832 B GB2342832 B GB 2342832B GB 9917920 A GB9917920 A GB 9917920A GB 9917920 A GB9917920 A GB 9917920A GB 2342832 B GB2342832 B GB 2342832B
Authority
GB
United Kingdom
Prior art keywords
end voice
detecting near
detecting
voice
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9917920A
Other versions
GB2342832A (en
GB9917920D0 (en
Inventor
Tom Hong Li
Michael Mclaughlin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB9917920D0 publication Critical patent/GB9917920D0/en
Publication of GB2342832A publication Critical patent/GB2342832A/en
Application granted granted Critical
Publication of GB2342832B publication Critical patent/GB2342832B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • 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)
GB9917920A 1998-08-04 1999-08-02 Method and device for detecting near-end voice Expired - Fee Related GB2342832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12907698A 1998-08-04 1998-08-04

Publications (3)

Publication Number Publication Date
GB9917920D0 GB9917920D0 (en) 1999-09-29
GB2342832A GB2342832A (en) 2000-04-19
GB2342832B true GB2342832B (en) 2001-03-21

Family

ID=22438352

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9917920A Expired - Fee Related GB2342832B (en) 1998-08-04 1999-08-02 Method and device for detecting near-end voice

Country Status (3)

Country Link
CN (1) CN1251959A (en)
DE (1) DE19935587A1 (en)
GB (1) GB2342832B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3922997B2 (en) * 2002-10-30 2007-05-30 沖電気工業株式会社 Echo canceller
WO2005099231A1 (en) 2004-03-05 2005-10-20 Thomson Licensing Accoustic echo canceller with multimedia training signal
CN1668058B (en) * 2005-02-21 2011-06-15 南望信息产业集团有限公司 Recursive least square difference based subband echo canceller
CN100466665C (en) * 2005-09-28 2009-03-04 华为技术有限公司 Method and device for detecting circuit one-side connecting
FR2946486B1 (en) * 2009-06-09 2012-04-20 Parrot METHOD FOR DETECTING A DOUBLE SPEECH SITUATION FOR HANDS-FREE TELEPHONE DEVICE
CN101719969B (en) * 2009-11-26 2013-10-02 美商威睿电通公司 Method and system for judging double-end conversation and method and system for eliminating echo
CN106033673B (en) * 2015-03-09 2019-09-17 电信科学技术研究院 A kind of near-end voice signals detection method and device
US10123141B2 (en) * 2015-11-13 2018-11-06 Bose Corporation Double-talk detection for acoustic echo cancellation
CN111654585B (en) * 2020-03-26 2021-08-03 紫光展锐(重庆)科技有限公司 Echo sound field state determination method and device, storage medium and terminal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0708535A1 (en) * 1994-05-06 1996-04-24 Ntt Mobile Communications Network Inc. Method and device for detecting double-talk, and echo canceler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0708535A1 (en) * 1994-05-06 1996-04-24 Ntt Mobile Communications Network Inc. Method and device for detecting double-talk, and echo canceler

Also Published As

Publication number Publication date
DE19935587A1 (en) 2000-02-17
GB2342832A (en) 2000-04-19
CN1251959A (en) 2000-05-03
GB9917920D0 (en) 1999-09-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040802