JP4296622B2 - エコー消去装置及び方法、並びに音声再生装置 - Google Patents

エコー消去装置及び方法、並びに音声再生装置 Download PDF

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Publication number
JP4296622B2
JP4296622B2 JP00700499A JP700499A JP4296622B2 JP 4296622 B2 JP4296622 B2 JP 4296622B2 JP 00700499 A JP00700499 A JP 00700499A JP 700499 A JP700499 A JP 700499A JP 4296622 B2 JP4296622 B2 JP 4296622B2
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Japan
Prior art keywords
sampling frequency
signal
echo
audio signal
speaker
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Expired - Fee Related
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JP00700499A
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Japanese (ja)
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JP2000200099A5 (https=
JP2000200099A (ja
Inventor
士郎 大森
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Sony Corp
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Sony Corp
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Priority to JP00700499A priority Critical patent/JP4296622B2/ja
Priority to US09/422,249 priority patent/US6694018B1/en
Publication of JP2000200099A publication Critical patent/JP2000200099A/ja
Publication of JP2000200099A5 publication Critical patent/JP2000200099A5/ja
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    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
JP00700499A 1998-10-26 1999-01-13 エコー消去装置及び方法、並びに音声再生装置 Expired - Fee Related JP4296622B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP00700499A JP4296622B2 (ja) 1998-10-26 1999-01-13 エコー消去装置及び方法、並びに音声再生装置
US09/422,249 US6694018B1 (en) 1998-10-26 1999-10-21 Echo canceling apparatus and method, and voice reproducing apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP30430398 1998-10-26
JP10-304303 1998-10-26
JP00700499A JP4296622B2 (ja) 1998-10-26 1999-01-13 エコー消去装置及び方法、並びに音声再生装置

Publications (3)

Publication Number Publication Date
JP2000200099A JP2000200099A (ja) 2000-07-18
JP2000200099A5 JP2000200099A5 (https=) 2006-02-16
JP4296622B2 true JP4296622B2 (ja) 2009-07-15

Family

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Application Number Title Priority Date Filing Date
JP00700499A Expired - Fee Related JP4296622B2 (ja) 1998-10-26 1999-01-13 エコー消去装置及び方法、並びに音声再生装置

Country Status (2)

Country Link
US (1) US6694018B1 (https=)
JP (1) JP4296622B2 (https=)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50205504D1 (de) * 2002-09-12 2006-03-30 Siemens Ag Kommunikationsendgerät mit Bandbreitenerweiterung und Echokompensation
JP4438280B2 (ja) * 2002-10-31 2010-03-24 日本電気株式会社 トランスコーダ及び符号変換方法
US7486719B2 (en) 2002-10-31 2009-02-03 Nec Corporation Transcoder and code conversion method
US7251322B2 (en) * 2003-10-24 2007-07-31 Microsoft Corporation Systems and methods for echo cancellation with arbitrary playback sampling rates
US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
ES2298966T3 (es) * 2005-07-28 2008-05-16 Alcatel Lucent Telecomunicacion de banda ancha - banda estrecha.
US7565140B2 (en) * 2005-12-29 2009-07-21 Intel Corporation Device, system and method of processing received wireless signals
JP2007235502A (ja) * 2006-03-01 2007-09-13 Sony Corp オーディオ通信システム
US8199927B1 (en) 2007-10-31 2012-06-12 ClearOnce Communications, Inc. Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter
US8050398B1 (en) 2007-10-31 2011-11-01 Clearone Communications, Inc. Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone
JP5127754B2 (ja) 2009-03-24 2013-01-23 株式会社東芝 信号処理装置
JP2010276780A (ja) * 2009-05-27 2010-12-09 Panasonic Corp 通信装置および信号処理方法
JP5356160B2 (ja) * 2009-09-04 2013-12-04 アルプス電気株式会社 ハンズフリー通信システム及び近距離無線通信装置
US8583425B2 (en) * 2011-06-21 2013-11-12 Genband Us Llc Methods, systems, and computer readable media for fricatives and high frequencies detection
US20130066638A1 (en) * 2011-09-09 2013-03-14 Qnx Software Systems Limited Echo Cancelling-Codec
CN102623016A (zh) * 2012-03-26 2012-08-01 华为技术有限公司 宽带语音处理方法及装置
JP5443547B2 (ja) * 2012-06-27 2014-03-19 株式会社東芝 信号処理装置
CN104956436B (zh) 2012-12-28 2018-05-29 株式会社索思未来 带有语音识别功能的设备以及语音识别方法
JP6539940B2 (ja) 2013-12-19 2019-07-10 株式会社デンソー 音声認識装置及び音声認識プログラム
CN106782592B (zh) * 2016-12-27 2020-06-19 中山大学花都产业科技研究院 一种用于消除网络声音传输的回音和啸叫的系统和方法
US10366704B2 (en) * 2018-03-16 2019-07-30 Intel Corporation Active acoustic echo cancellation for ultra-high dynamic range
US10950213B1 (en) * 2020-05-31 2021-03-16 Shenzhen GOODIX Technology Co., Ltd. Hybrid active noise cancellation filter adaptation
WO2022024188A1 (ja) * 2020-07-27 2022-02-03 日本電気株式会社 音声登録装置、制御方法、プログラム及び記憶媒体
EP4485970A4 (en) * 2022-03-29 2025-06-25 Panasonic Intellectual Property Corporation of America Device for suppressing interference noise, method for suppressing interference noise, and program for suppressing interference noise

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
US6421377B1 (en) * 1998-05-13 2002-07-16 Globespanvirata, Inc. System and method for echo cancellation over asymmetric spectra

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JP2000200099A (ja) 2000-07-18
US6694018B1 (en) 2004-02-17

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