JP2000200099A5 - - Google Patents
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- Publication number
- JP2000200099A5 JP2000200099A5 JP1999007004A JP700499A JP2000200099A5 JP 2000200099 A5 JP2000200099 A5 JP 2000200099A5 JP 1999007004 A JP1999007004 A JP 1999007004A JP 700499 A JP700499 A JP 700499A JP 2000200099 A5 JP2000200099 A5 JP 2000200099A5
- Authority
- JP
- Japan
- Prior art keywords
- echo
- sampling frequency
- signal
- microphone
- audio signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000005070 sampling Methods 0.000 description 56
- 230000005236 sound signal Effects 0.000 description 40
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000002592 echocardiography Methods 0.000 description 3
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 true JP2000200099A5 (https=) | 2006-02-16 |
| JP4296622B2 JP4296622B2 (ja) | 2009-07-15 |
Family
ID=26341231
Family Applications (1)
| 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)
| 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)
| 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 |
-
1999
- 1999-01-13 JP JP00700499A patent/JP4296622B2/ja not_active Expired - Fee Related
- 1999-10-21 US US09/422,249 patent/US6694018B1/en not_active Expired - Fee Related
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