JP2006287851A - ハウリング防止装置 - Google Patents
ハウリング防止装置 Download PDFInfo
- Publication number
- JP2006287851A JP2006287851A JP2005108471A JP2005108471A JP2006287851A JP 2006287851 A JP2006287851 A JP 2006287851A JP 2005108471 A JP2005108471 A JP 2005108471A JP 2005108471 A JP2005108471 A JP 2005108471A JP 2006287851 A JP2006287851 A JP 2006287851A
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- Prior art keywords
- frequency
- level
- value
- howling
- howling prevention
- 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.)
- Pending
Links
- 230000008859 change Effects 0.000 claims abstract description 14
- 230000002265 prevention Effects 0.000 claims description 35
- 238000012937 correction Methods 0.000 claims description 15
- 230000005236 sound signal Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000001228 spectrum Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 238000005070 sampling Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005108471A JP2006287851A (ja) | 2005-04-05 | 2005-04-05 | ハウリング防止装置 |
US11/393,505 US7840014B2 (en) | 2005-04-05 | 2006-03-29 | Sound apparatus with howling prevention function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005108471A JP2006287851A (ja) | 2005-04-05 | 2005-04-05 | ハウリング防止装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006287851A true JP2006287851A (ja) | 2006-10-19 |
JP2006287851A5 JP2006287851A5 (enrdf_load_stackoverflow) | 2008-05-15 |
Family
ID=37409236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005108471A Pending JP2006287851A (ja) | 2005-04-05 | 2005-04-05 | ハウリング防止装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2006287851A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009105527A (ja) * | 2007-10-22 | 2009-05-14 | Baisera:Kk | ハウリングの防止装置、防止方法、プログラム、及びこのプログラムを記録した記録媒体 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07325583A (ja) * | 1993-04-14 | 1995-12-12 | Yamaha Corp | サウンドの分析及び合成方法並びに装置 |
JPH10301594A (ja) * | 1997-05-01 | 1998-11-13 | Fujitsu Ltd | 有音検出装置 |
JPH11127496A (ja) * | 1997-10-20 | 1999-05-11 | Sony Corp | ハウリング除去装置 |
JP2003216164A (ja) * | 2001-12-06 | 2003-07-30 | Armstrong World Industries Inc | アーキテクチャの音増強システム |
JP2004264377A (ja) * | 2003-02-27 | 2004-09-24 | Toa Corp | ディップフィルタの周波数特性決定方法 |
-
2005
- 2005-04-05 JP JP2005108471A patent/JP2006287851A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07325583A (ja) * | 1993-04-14 | 1995-12-12 | Yamaha Corp | サウンドの分析及び合成方法並びに装置 |
JPH10301594A (ja) * | 1997-05-01 | 1998-11-13 | Fujitsu Ltd | 有音検出装置 |
JPH11127496A (ja) * | 1997-10-20 | 1999-05-11 | Sony Corp | ハウリング除去装置 |
JP2003216164A (ja) * | 2001-12-06 | 2003-07-30 | Armstrong World Industries Inc | アーキテクチャの音増強システム |
JP2004264377A (ja) * | 2003-02-27 | 2004-09-24 | Toa Corp | ディップフィルタの周波数特性決定方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009105527A (ja) * | 2007-10-22 | 2009-05-14 | Baisera:Kk | ハウリングの防止装置、防止方法、プログラム、及びこのプログラムを記録した記録媒体 |
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Legal Events
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Effective date: 20061109 Free format text: JAPANESE INTERMEDIATE CODE: A7422 |
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A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080327 |
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A977 | Report on retrieval |
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Effective date: 20100420 Free format text: JAPANESE INTERMEDIATE CODE: A131 |
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A02 | Decision of refusal |
Effective date: 20100928 Free format text: JAPANESE INTERMEDIATE CODE: A02 |