ATE543329T1 - Auf rauschumgebung basierender echokompensator - Google Patents

Auf rauschumgebung basierender echokompensator

Info

Publication number
ATE543329T1
ATE543329T1 AT08798672T AT08798672T ATE543329T1 AT E543329 T1 ATE543329 T1 AT E543329T1 AT 08798672 T AT08798672 T AT 08798672T AT 08798672 T AT08798672 T AT 08798672T AT E543329 T1 ATE543329 T1 AT E543329T1
Authority
AT
Austria
Prior art keywords
present
signal path
noise
uplink
audio
Prior art date
Application number
AT08798672T
Other languages
English (en)
Inventor
Jincheng Wu
Joel A Clark
Original Assignee
Motorola Mobility 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 Mobility Inc filed Critical Motorola Mobility Inc
Application granted granted Critical
Publication of ATE543329T1 publication Critical patent/ATE543329T1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
AT08798672T 2007-08-31 2008-08-26 Auf rauschumgebung basierender echokompensator ATE543329T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/848,376 US7809129B2 (en) 2007-08-31 2007-08-31 Acoustic echo cancellation based on noise environment
PCT/US2008/074281 WO2009029605A1 (en) 2007-08-31 2008-08-26 Acoustic echo cancellation based on noise environment

Publications (1)

Publication Number Publication Date
ATE543329T1 true ATE543329T1 (de) 2012-02-15

Family

ID=39798119

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08798672T ATE543329T1 (de) 2007-08-31 2008-08-26 Auf rauschumgebung basierender echokompensator

Country Status (9)

Country Link
US (1) US7809129B2 (de)
EP (1) EP2186312B1 (de)
KR (1) KR101520123B1 (de)
CN (1) CN101785290B (de)
AT (1) ATE543329T1 (de)
BR (1) BRPI0816218A8 (de)
MX (1) MX2010002172A (de)
RU (1) RU2464723C2 (de)
WO (1) WO2009029605A1 (de)

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US8170229B2 (en) * 2007-11-06 2012-05-01 James Carl Kesterson Audio privacy apparatus and method
DE102008011285A1 (de) * 2007-12-21 2009-06-25 Airbus Deutschland Gmbh Aktiver Schallblocker
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US8660676B2 (en) * 2009-10-16 2014-02-25 Microsoft Corporation Mitigating the impact of nonlinear echos by dynamic range compression
CN103026247A (zh) * 2010-03-15 2013-04-03 国家采集子系统有限公司 可再编程以修改装置频率响应的可配置电子装置
CN101958122B (zh) * 2010-09-19 2013-01-09 杭州华三通信技术有限公司 一种回声消除的方法和装置
CN102065190B (zh) * 2010-12-31 2013-08-28 杭州华三通信技术有限公司 一种回声消除方法及其装置
CN103391381B (zh) 2012-05-10 2015-05-20 中兴通讯股份有限公司 回声消除方法及装置
US20130332155A1 (en) * 2012-06-06 2013-12-12 Microsoft Corporation Double-Talk Detection for Audio Communication
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KR102146816B1 (ko) * 2016-06-30 2020-08-21 구글 엘엘씨 모바일 디바이스들에서 비선형 반향 제거를 위한 이중 크기 처리 프레임워크
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JP6833616B2 (ja) * 2017-05-29 2021-02-24 株式会社トランストロン エコー抑圧装置、エコー抑圧方法及びエコー抑圧プログラム
WO2021194881A1 (en) 2020-03-23 2021-09-30 Dolby Laboratories Licensing Corporation Double talk detection using up-sampling
CN115662455A (zh) * 2022-10-20 2023-01-31 北京达佳互联信息技术有限公司 音频处理模型的训练方法、音频处理方法及装置
US20240386899A1 (en) * 2023-05-16 2024-11-21 Apple Inc. Downlink noise suppression
US12664967B2 (en) * 2024-06-19 2026-06-23 Logitech Europe S.A. Advanced noise suppression system

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US7809129B2 (en) * 2007-08-31 2010-10-05 Motorola, Inc. Acoustic echo cancellation based on noise environment

Also Published As

Publication number Publication date
US7809129B2 (en) 2010-10-05
KR20100057019A (ko) 2010-05-28
RU2464723C2 (ru) 2012-10-20
WO2009029605A1 (en) 2009-03-05
MX2010002172A (es) 2010-03-18
KR101520123B1 (ko) 2015-05-13
RU2010112419A (ru) 2011-10-10
CN101785290B (zh) 2013-01-16
US20090059821A1 (en) 2009-03-05
BRPI0816218A2 (pt) 2015-06-16
EP2186312A1 (de) 2010-05-19
EP2186312B1 (de) 2012-01-25
CN101785290A (zh) 2010-07-21
BRPI0816218A8 (pt) 2015-12-01

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