ATE345642T1 - Verbessertes verfahren und vorrichtung zur implementierung eines echounterdrückers - Google Patents

Verbessertes verfahren und vorrichtung zur implementierung eines echounterdrückers

Info

Publication number
ATE345642T1
ATE345642T1 AT01906733T AT01906733T ATE345642T1 AT E345642 T1 ATE345642 T1 AT E345642T1 AT 01906733 T AT01906733 T AT 01906733T AT 01906733 T AT01906733 T AT 01906733T AT E345642 T1 ATE345642 T1 AT E345642T1
Authority
AT
Austria
Prior art keywords
attenuation
acoustic
attenuation value
waveform
signal
Prior art date
Application number
AT01906733T
Other languages
English (en)
Inventor
Samir K Gupta
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE345642T1 publication Critical patent/ATE345642T1/de

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
    • 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)
  • Telephone Function (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Paper (AREA)
  • Load-Engaging Elements For Cranes (AREA)
AT01906733T 2000-01-27 2001-01-26 Verbessertes verfahren und vorrichtung zur implementierung eines echounterdrückers ATE345642T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/491,933 US6606382B2 (en) 2000-01-27 2000-01-27 System and method for implementation of an echo canceller

Publications (1)

Publication Number Publication Date
ATE345642T1 true ATE345642T1 (de) 2006-12-15

Family

ID=23954269

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01906733T ATE345642T1 (de) 2000-01-27 2001-01-26 Verbessertes verfahren und vorrichtung zur implementierung eines echounterdrückers

Country Status (18)

Country Link
US (1) US6606382B2 (de)
EP (2) EP1750425A3 (de)
JP (1) JP2003521170A (de)
KR (1) KR100711869B1 (de)
CN (1) CN1254074C (de)
AT (1) ATE345642T1 (de)
AU (1) AU3460601A (de)
BR (1) BR0107830A (de)
CA (1) CA2399016C (de)
DE (1) DE60124501T2 (de)
ES (1) ES2274867T3 (de)
HK (1) HK1052602B (de)
IL (2) IL150823A0 (de)
MX (1) MXPA02007215A (de)
NO (1) NO20023569L (de)
RU (1) RU2277301C2 (de)
TW (1) TW494669B (de)
WO (1) WO2001056263A1 (de)

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US9014387B2 (en) 2012-04-26 2015-04-21 Cirrus Logic, Inc. Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels
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US9369798B1 (en) 2013-03-12 2016-06-14 Cirrus Logic, Inc. Internal dynamic range control in an adaptive noise cancellation (ANC) system
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JP5982069B2 (ja) * 2013-03-19 2016-08-31 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オーディオ処理のための方法及び装置
US10206032B2 (en) 2013-04-10 2019-02-12 Cirrus Logic, Inc. Systems and methods for multi-mode adaptive noise cancellation for audio headsets
US9462376B2 (en) 2013-04-16 2016-10-04 Cirrus Logic, Inc. Systems and methods for hybrid adaptive noise cancellation
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US9578432B1 (en) 2013-04-24 2017-02-21 Cirrus Logic, Inc. Metric and tool to evaluate secondary path design in adaptive noise cancellation systems
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US9620101B1 (en) 2013-10-08 2017-04-11 Cirrus Logic, Inc. Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation
US10382864B2 (en) 2013-12-10 2019-08-13 Cirrus Logic, Inc. Systems and methods for providing adaptive playback equalization in an audio device
US9704472B2 (en) 2013-12-10 2017-07-11 Cirrus Logic, Inc. Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system
US10219071B2 (en) 2013-12-10 2019-02-26 Cirrus Logic, Inc. Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation
US9369557B2 (en) 2014-03-05 2016-06-14 Cirrus Logic, Inc. Frequency-dependent sidetone calibration
US9479860B2 (en) 2014-03-07 2016-10-25 Cirrus Logic, Inc. Systems and methods for enhancing performance of audio transducer based on detection of transducer status
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US9319784B2 (en) 2014-04-14 2016-04-19 Cirrus Logic, Inc. Frequency-shaped noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices
US10181315B2 (en) 2014-06-13 2019-01-15 Cirrus Logic, Inc. Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system
US9478212B1 (en) 2014-09-03 2016-10-25 Cirrus Logic, Inc. Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
US9552805B2 (en) 2014-12-19 2017-01-24 Cirrus Logic, Inc. Systems and methods for performance and stability control for feedback adaptive noise cancellation
JP6964581B2 (ja) 2015-08-20 2021-11-10 シーラス ロジック インターナショナル セミコンダクター リミテッド 固定応答フィルタによって部分的に提供されるフィードバック応答を有するフィードバック適応雑音消去（ａｎｃ）コントローラおよび方法
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Also Published As

Publication number Publication date
ES2274867T3 (es) 2007-06-01
NO20023569L (no) 2002-09-24
CN1416639A (zh) 2003-05-07
EP1750425A2 (de) 2007-02-07
BR0107830A (pt) 2003-03-18
EP1250797A1 (de) 2002-10-23
EP1250797B1 (de) 2006-11-15
WO2001056263A1 (en) 2001-08-02
TW494669B (en) 2002-07-11
DE60124501D1 (de) 2006-12-28
AU3460601A (en) 2001-08-07
HK1052602A1 (en) 2003-09-19
EP1750425A3 (de) 2008-08-13
US6606382B2 (en) 2003-08-12
CA2399016A1 (en) 2001-08-02
RU2002122984A (ru) 2004-02-27
HK1052602B (zh) 2006-12-08
KR100711869B1 (ko) 2007-04-25
IL150823A0 (en) 2003-02-12
KR20020071967A (ko) 2002-09-13
CN1254074C (zh) 2006-04-26
MXPA02007215A (es) 2003-02-12
US20030072439A1 (en) 2003-04-17
CA2399016C (en) 2009-09-22
RU2277301C2 (ru) 2006-05-27
NO20023569D0 (no) 2002-07-26
JP2003521170A (ja) 2003-07-08
DE60124501T2 (de) 2007-09-06
IL150823A (en) 2007-12-03

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