HK1011472A1 - Method for determining the location of echo in an echo canceller - Google Patents

Method for determining the location of echo in an echo canceller

Info

Publication number
HK1011472A1
HK1011472A1 HK98112544A HK98112544A HK1011472A1 HK 1011472 A1 HK1011472 A1 HK 1011472A1 HK 98112544 A HK98112544 A HK 98112544A HK 98112544 A HK98112544 A HK 98112544A HK 1011472 A1 HK1011472 A1 HK 1011472A1
Authority
HK
Hong Kong
Prior art keywords
echo
location
pct
path
canceller
Prior art date
Application number
HK98112544A
Other languages
English (en)
Inventor
Antti Vahatalo
Jorma Makinen
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Publication of HK1011472A1 publication Critical patent/HK1011472A1/xx

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
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Telephone Function (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
HK98112544A 1993-12-23 1998-11-30 Method for determining the location of echo in an echo canceller HK1011472A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI935834A FI935834A (fi) 1993-12-23 1993-12-23 Menetelmä kaikukohtaan sovittautumiseksi kaiunpoistajassa
PCT/FI1994/000577 WO1995017784A1 (en) 1993-12-23 1994-12-21 Method for determining the location of echo in an echo cancellar

Publications (1)

Publication Number Publication Date
HK1011472A1 true HK1011472A1 (en) 1999-07-09

Family

ID=8539171

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98112544A HK1011472A1 (en) 1993-12-23 1998-11-30 Method for determining the location of echo in an echo canceller

Country Status (10)

Country Link
US (1) US5737410A (ja)
EP (1) EP0736235B1 (ja)
JP (2) JPH09507120A (ja)
CN (1) CN1068742C (ja)
AT (1) ATE203360T1 (ja)
AU (1) AU680981B2 (ja)
DE (1) DE69427770T2 (ja)
FI (1) FI935834A (ja)
HK (1) HK1011472A1 (ja)
WO (1) WO1995017784A1 (ja)

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US6961423B2 (en) 2002-06-24 2005-11-01 Freescale Semiconductor, Inc. Method and apparatus for performing adaptive filtering
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US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US8942398B2 (en) 2010-04-13 2015-01-27 Starkey Laboratories, Inc. Methods and apparatus for early audio feedback cancellation for hearing assistance devices
US8917891B2 (en) 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
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CN110610716A (zh) * 2019-09-26 2019-12-24 北京声智科技有限公司 回声消除方法、装置及存储介质

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Also Published As

Publication number Publication date
AU680981B2 (en) 1997-08-14
EP0736235B1 (en) 2001-07-18
JP2006191650A (ja) 2006-07-20
CN1068742C (zh) 2001-07-18
FI935834A0 (fi) 1993-12-23
JPH09507120A (ja) 1997-07-15
CN1139501A (zh) 1997-01-01
DE69427770D1 (de) 2001-08-23
ATE203360T1 (de) 2001-08-15
WO1995017784A1 (en) 1995-06-29
AU1274895A (en) 1995-07-10
DE69427770T2 (de) 2002-05-23
US5737410A (en) 1998-04-07
FI935834A (fi) 1995-06-24
EP0736235A1 (en) 1996-10-09

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Legal Events

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

Effective date: 20101221