HK1081026A1 - An echo canceler circuit and method - Google Patents

An echo canceler circuit and method

Info

Publication number
HK1081026A1
HK1081026A1 HK06100730.9A HK06100730A HK1081026A1 HK 1081026 A1 HK1081026 A1 HK 1081026A1 HK 06100730 A HK06100730 A HK 06100730A HK 1081026 A1 HK1081026 A1 HK 1081026A1
Authority
HK
Hong Kong
Prior art keywords
echo canceler
canceler circuit
circuit
echo
canceler
Prior art date
Application number
HK06100730.9A
Other languages
English (en)
Inventor
Keith L Owens
James B Piket
Christopher W Springfield
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 HK1081026A1 publication Critical patent/HK1081026A1/xx

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
HK06100730.9A 2003-12-12 2006-01-17 An echo canceler circuit and method HK1081026A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/735,272 US7599483B2 (en) 2003-12-12 2003-12-12 Echo canceler circuit and method

Publications (1)

Publication Number Publication Date
HK1081026A1 true HK1081026A1 (en) 2006-05-04

Family

ID=34523101

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06100730.9A HK1081026A1 (en) 2003-12-12 2006-01-17 An echo canceler circuit and method

Country Status (5)

Country Link
US (3) US7599483B2 (zh)
EP (1) EP1542374B1 (zh)
KR (1) KR100623410B1 (zh)
CN (2) CN100499721C (zh)
HK (1) HK1081026A1 (zh)

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US10115392B2 (en) * 2010-06-03 2018-10-30 Visteon Global Technologies, Inc. Method for adjusting a voice recognition system comprising a speaker and a microphone, and voice recognition system
WO2012094827A1 (en) * 2011-01-14 2012-07-19 Huawei Technologies Co., Ltd. A method and an apparatus for voice quality enhancement
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US9473204B2 (en) * 2015-03-09 2016-10-18 Realtek Semiconductor Corporation Full-duplex transceiver circuit and method thereof
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TWI715115B (zh) * 2019-07-24 2021-01-01 瑞昱半導體股份有限公司 能夠消除回音的通訊裝置
CN112309416B (zh) * 2020-10-20 2022-11-29 中国第一汽车股份有限公司 车载语音回音消除方法、系统、车辆和存储介质

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Also Published As

Publication number Publication date
US20130184036A1 (en) 2013-07-18
EP1542374A1 (en) 2005-06-15
EP1542374B1 (en) 2012-07-25
US7599483B2 (en) 2009-10-06
KR100623410B1 (ko) 2006-09-19
US20050129224A1 (en) 2005-06-16
CN101552849A (zh) 2009-10-07
CN100499721C (zh) 2009-06-10
US8238546B2 (en) 2012-08-07
KR20050058989A (ko) 2005-06-17
US20100022282A1 (en) 2010-01-28
US8811603B2 (en) 2014-08-19
CN1658640A (zh) 2005-08-24
CN101552849B (zh) 2012-11-28

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20131213