ATE481705T1 - Telefoneinrichtung zum löschen von hintergrundgeräuschen beim sprecher - Google Patents

Telefoneinrichtung zum löschen von hintergrundgeräuschen beim sprecher

Info

Publication number
ATE481705T1
ATE481705T1 AT07851884T AT07851884T ATE481705T1 AT E481705 T1 ATE481705 T1 AT E481705T1 AT 07851884 T AT07851884 T AT 07851884T AT 07851884 T AT07851884 T AT 07851884T AT E481705 T1 ATE481705 T1 AT E481705T1
Authority
AT
Austria
Prior art keywords
speaker
noise reduction
impulse response
line interface
finite impulse
Prior art date
Application number
AT07851884T
Other languages
English (en)
Inventor
Hiroshi Hiraga
Michiel A Helsloot
Original Assignee
Sitel Semiconductor B V
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 Sitel Semiconductor B V filed Critical Sitel Semiconductor B V
Application granted granted Critical
Publication of ATE481705T1 publication Critical patent/ATE481705T1/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
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
AT07851884T 2006-12-07 2007-12-05 Telefoneinrichtung zum löschen von hintergrundgeräuschen beim sprecher ATE481705T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06125565A EP1930878A1 (de) 2006-12-07 2006-12-07 Telefonvorrichtung
PCT/NL2007/050624 WO2008069660A1 (en) 2006-12-07 2007-12-05 Telephone device to cancel background noise at the speaker

Publications (1)

Publication Number Publication Date
ATE481705T1 true ATE481705T1 (de) 2010-10-15

Family

ID=37835261

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07851884T ATE481705T1 (de) 2006-12-07 2007-12-05 Telefoneinrichtung zum löschen von hintergrundgeräuschen beim sprecher

Country Status (5)

Country Link
EP (2) EP1930878A1 (de)
AT (1) ATE481705T1 (de)
DE (1) DE602007009308D1 (de)
ES (1) ES2351773T3 (de)
WO (1) WO2008069660A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2461315B (en) 2008-06-27 2011-09-14 Wolfson Microelectronics Plc Noise cancellation system
CN111402853B (zh) * 2020-03-02 2022-11-29 吉林大学 一种适用于车内的宽窄带混合主动降噪算法
CN113611276B (zh) * 2021-07-08 2024-06-11 北京小唱科技有限公司 声反馈抑制方法、装置及存储介质

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6496581B1 (en) * 1997-09-11 2002-12-17 Digisonix, Inc. Coupled acoustic echo cancellation system
US6381224B1 (en) * 1999-03-31 2002-04-30 Motorola, Inc. Method and apparatus for controlling a full-duplex communication system

Also Published As

Publication number Publication date
ES2351773T3 (es) 2011-02-10
EP1930878A1 (de) 2008-06-11
EP2095362A1 (de) 2009-09-02
WO2008069660A1 (en) 2008-06-12
DE602007009308D1 (de) 2010-10-28
EP2095362B1 (de) 2010-09-15

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Legal Events

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