JP2009182759A5 - - Google Patents
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- Publication number
- JP2009182759A5 JP2009182759A5 JP2008020276A JP2008020276A JP2009182759A5 JP 2009182759 A5 JP2009182759 A5 JP 2009182759A5 JP 2008020276 A JP2008020276 A JP 2008020276A JP 2008020276 A JP2008020276 A JP 2008020276A JP 2009182759 A5 JP2009182759 A5 JP 2009182759A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sound
- howling
- acoustic signal
- frequency
- 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
- 238000001228 spectrum Methods 0.000 claims 8
- 230000001629 suppression Effects 0.000 claims 6
- 230000003044 adaptive effect Effects 0.000 claims 2
- 230000001934 delay Effects 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 claims 1
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008020276A JP5239359B2 (ja) | 2008-01-31 | 2008-01-31 | ハウリング抑制装置 |
| DE602009000471T DE602009000471D1 (de) | 2008-01-31 | 2009-01-14 | Vorrichtung zur Rückkopplungsunterdrückung und computerlesbares Aufzeichnungsmedium |
| EP09150514A EP2086249B1 (en) | 2008-01-31 | 2009-01-14 | Howling suppression apparatus and computer readable recording medium |
| US12/360,974 US8311237B2 (en) | 2008-01-31 | 2009-01-28 | Howling suppression apparatus and computer readable recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008020276A JP5239359B2 (ja) | 2008-01-31 | 2008-01-31 | ハウリング抑制装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009182759A JP2009182759A (ja) | 2009-08-13 |
| JP2009182759A5 true JP2009182759A5 (enExample) | 2011-02-24 |
| JP5239359B2 JP5239359B2 (ja) | 2013-07-17 |
Family
ID=40550192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008020276A Expired - Fee Related JP5239359B2 (ja) | 2008-01-31 | 2008-01-31 | ハウリング抑制装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8311237B2 (enExample) |
| EP (1) | EP2086249B1 (enExample) |
| JP (1) | JP5239359B2 (enExample) |
| DE (1) | DE602009000471D1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011090386A1 (en) * | 2010-01-19 | 2011-07-28 | Squarehead Technology As | Location dependent feedback cancellation |
| US8891786B1 (en) | 2010-05-17 | 2014-11-18 | Marvell International Ltd. | Selective notch filtering for howling suppression |
| CN102740214B (zh) * | 2011-04-01 | 2014-09-10 | 中国科学院声学研究所 | 一种基于反馈信号频谱估计的啸叫抑制方法 |
| CN106454642B (zh) * | 2016-09-23 | 2019-01-08 | 佛山科学技术学院 | 自适应子带音频反馈抑制方法 |
| JP7742407B2 (ja) * | 2021-06-30 | 2025-09-19 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | ハウリング抑圧装置、ハウリング抑圧方法及びハウリング抑圧プログラム |
| CN114245264A (zh) * | 2021-11-26 | 2022-03-25 | 深圳Tcl新技术有限公司 | 啸叫抑制方法、啸叫抑制装置、电子设备及存储介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5442715A (en) | 1992-04-06 | 1995-08-15 | Eastman Kodak Company | Method and apparatus for cursive script recognition |
| US5442712A (en) * | 1992-11-25 | 1995-08-15 | Matsushita Electric Industrial Co., Ltd. | Sound amplifying apparatus with automatic howl-suppressing function |
| US5937060A (en) * | 1996-02-09 | 1999-08-10 | Texas Instruments Incorporated | Residual echo suppression |
| WO2003010996A2 (en) * | 2001-07-20 | 2003-02-06 | Koninklijke Philips Electronics N.V. | Sound reinforcement system having an echo suppressor and loudspeaker beamformer |
| JP4161628B2 (ja) | 2002-07-19 | 2008-10-08 | 日本電気株式会社 | エコー抑圧方法及び装置 |
| JP2004165888A (ja) * | 2002-11-12 | 2004-06-10 | Oki Electric Ind Co Ltd | ハウリング処理装置 |
| JP2005109533A (ja) * | 2003-09-26 | 2005-04-21 | Yamaha Corp | ハウリング抑制装置 |
| JP4607015B2 (ja) * | 2003-11-11 | 2011-01-05 | 三菱電機株式会社 | エコー抑圧装置 |
| JP4767166B2 (ja) | 2004-06-16 | 2011-09-07 | パナソニック株式会社 | ハウリング抑圧装置、プログラム、集積回路、およびハウリング抑圧方法 |
| JP4186932B2 (ja) * | 2005-02-07 | 2008-11-26 | ヤマハ株式会社 | ハウリング抑制装置および拡声装置 |
| ATE459196T1 (de) * | 2005-10-21 | 2010-03-15 | Koninkl Philips Electronics Nv | Akustischer echolöscher |
-
2008
- 2008-01-31 JP JP2008020276A patent/JP5239359B2/ja not_active Expired - Fee Related
-
2009
- 2009-01-14 EP EP09150514A patent/EP2086249B1/en not_active Not-in-force
- 2009-01-14 DE DE602009000471T patent/DE602009000471D1/de active Active
- 2009-01-28 US US12/360,974 patent/US8311237B2/en not_active Expired - Fee Related
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