ATE457596T1 - Gesprächsentscheidungssystem - Google Patents

Gesprächsentscheidungssystem

Info

Publication number
ATE457596T1
ATE457596T1 AT07115072T AT07115072T ATE457596T1 AT E457596 T1 ATE457596 T1 AT E457596T1 AT 07115072 T AT07115072 T AT 07115072T AT 07115072 T AT07115072 T AT 07115072T AT E457596 T1 ATE457596 T1 AT E457596T1
Authority
AT
Austria
Prior art keywords
end side
far
decision information
talking state
signal
Prior art date
Application number
AT07115072T
Other languages
English (en)
Inventor
Satoshi Sekine
Hiraku Okumura
Original Assignee
Yamaha Corp
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 Yamaha Corp filed Critical Yamaha Corp
Application granted granted Critical
Publication of ATE457596T1 publication Critical patent/ATE457596T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Radio Relay Systems (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Control Of Multiple Motors (AREA)
AT07115072T 2006-08-31 2007-08-28 Gesprächsentscheidungssystem ATE457596T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006235746A JP4678349B2 (ja) 2006-08-31 2006-08-31 通話判定装置

Publications (1)

Publication Number Publication Date
ATE457596T1 true ATE457596T1 (de) 2010-02-15

Family

ID=38740564

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07115072T ATE457596T1 (de) 2006-08-31 2007-08-28 Gesprächsentscheidungssystem

Country Status (8)

Country Link
US (1) US8767951B2 (de)
EP (1) EP1895752B1 (de)
JP (1) JP4678349B2 (de)
KR (1) KR100918331B1 (de)
CN (1) CN101136973B (de)
AT (1) ATE457596T1 (de)
DE (1) DE602007004694D1 (de)
TW (1) TWI369890B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4678349B2 (ja) * 2006-08-31 2011-04-27 ヤマハ株式会社 通話判定装置
JP6069830B2 (ja) 2011-12-08 2017-02-01 ソニー株式会社 耳孔装着型収音装置、信号処理装置、収音方法
US9288578B2 (en) * 2012-10-23 2016-03-15 Electronics And Telecommunications Research Institute Method and apparatus for canceling acoustic echo, and method for updating adaptive filter coefficient by the apparatus
KR102112018B1 (ko) * 2013-11-08 2020-05-18 한국전자통신연구원 영상 회의 시스템에서의 음향 반향 제거 장치 및 방법
KR20170032603A (ko) 2015-09-15 2017-03-23 삼성전자주식회사 전자 장치, 그의 반향 신호 제거 방법 및 비일시적 컴퓨터 판독가능 기록매체
US10771631B2 (en) 2016-08-03 2020-09-08 Dolby Laboratories Licensing Corporation State-based endpoint conference interaction
JP6315046B2 (ja) * 2016-09-14 2018-04-25 ソニー株式会社 耳孔装着型収音装置、信号処理装置、収音方法
CN108055417B (zh) * 2017-12-26 2020-09-29 杭州叙简科技股份有限公司 一种基于语音检测回音抑制切换音频处理系统及方法
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
KR102377900B1 (ko) * 2020-12-02 2022-03-23 주식회사 텔레칩스 더블 토크 이득 제어 장치 및 그 방법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2518433B2 (ja) 1990-01-24 1996-07-24 日本電気株式会社 ダブルト―ク検出回路
DE4119963A1 (de) * 1991-06-18 1992-12-24 Philips Patentverwaltung Echokompensator
GB2271247B (en) * 1992-10-05 1997-02-19 Motorola Israel Ltd A radio telephone for a vehicle
JPH06350486A (ja) * 1993-06-04 1994-12-22 Nippon Telegr & Teleph Corp <Ntt> 音響通信方式
JP3218150B2 (ja) 1994-07-15 2001-10-15 ダイセル化学工業株式会社 非着色性ポリカーボネート樹脂
EP0847180A1 (de) * 1996-11-27 1998-06-10 Nokia Mobile Phones Ltd. Eine Doppelsprechdetektion
US5920834A (en) * 1997-01-31 1999-07-06 Qualcomm Incorporated Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system
WO1999014868A1 (en) 1997-09-16 1999-03-25 Sanyo Electric Co., Ltd. Echo elimination method, echo canceler and voice switch
JP3370594B2 (ja) * 1998-02-17 2003-01-27 シャープ株式会社 エコーキャンセラのフィルタ係数更新制御装置
US6968064B1 (en) * 2000-09-29 2005-11-22 Forgent Networks, Inc. Adaptive thresholds in acoustic echo canceller for use during double talk
US6838157B2 (en) * 2002-09-23 2005-01-04 Siemens Westinghouse Power Corporation Method and apparatus for instrumenting a gas turbine component having a barrier coating
US7099458B2 (en) * 2003-12-12 2006-08-29 Motorola, Inc. Downlink activity and double talk probability detector and method for an echo canceler circuit
US20060018460A1 (en) * 2004-06-25 2006-01-26 Mccree Alan V Acoustic echo devices and methods
US7577248B2 (en) * 2004-06-25 2009-08-18 Texas Instruments Incorporated Method and apparatus for echo cancellation, digit filter adaptation, automatic gain control and echo suppression utilizing block least mean squares
JP4678349B2 (ja) * 2006-08-31 2011-04-27 ヤマハ株式会社 通話判定装置

Also Published As

Publication number Publication date
CN101136973A (zh) 2008-03-05
JP4678349B2 (ja) 2011-04-27
DE602007004694D1 (de) 2010-03-25
EP1895752B1 (de) 2010-02-10
US8767951B2 (en) 2014-07-01
CN101136973B (zh) 2012-01-25
TW200820730A (en) 2008-05-01
KR100918331B1 (ko) 2009-09-22
EP1895752A1 (de) 2008-03-05
KR20080021554A (ko) 2008-03-07
TWI369890B (en) 2012-08-01
US20080056483A1 (en) 2008-03-06
JP2008060938A (ja) 2008-03-13

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Legal Events

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