JPS627298A - 音響雑音除去装置 - Google Patents
音響雑音除去装置Info
- Publication number
- JPS627298A JPS627298A JP60147255A JP14725585A JPS627298A JP S627298 A JPS627298 A JP S627298A JP 60147255 A JP60147255 A JP 60147255A JP 14725585 A JP14725585 A JP 14725585A JP S627298 A JPS627298 A JP S627298A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- noise
- circuit
- environmental noise
- component
- 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
- 230000005534 acoustic noise Effects 0.000 title claims description 12
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000001228 spectrum Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 13
- 230000007613 environmental effect Effects 0.000 abstract description 15
- 230000000737 periodic effect Effects 0.000 abstract description 3
- 230000003595 spectral effect Effects 0.000 abstract 2
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 239000013598 vector Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
Landscapes
- Circuit For Audible Band Transducer (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60147255A JPS627298A (ja) | 1985-07-03 | 1985-07-03 | 音響雑音除去装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60147255A JPS627298A (ja) | 1985-07-03 | 1985-07-03 | 音響雑音除去装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS627298A true JPS627298A (ja) | 1987-01-14 |
| JPH0583039B2 JPH0583039B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-11-24 |
Family
ID=15426094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60147255A Granted JPS627298A (ja) | 1985-07-03 | 1985-07-03 | 音響雑音除去装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627298A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7602925B2 (en) | 2002-03-13 | 2009-10-13 | Harman International Industries, Incorporated | Audio feedback processing system |
| WO2018173267A1 (ja) * | 2017-03-24 | 2018-09-27 | ヤマハ株式会社 | 収音装置および収音方法 |
| US10873810B2 (en) | 2017-03-24 | 2020-12-22 | Yamaha Corporation | Sound pickup device and sound pickup method |
-
1985
- 1985-07-03 JP JP60147255A patent/JPS627298A/ja active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7602925B2 (en) | 2002-03-13 | 2009-10-13 | Harman International Industries, Incorporated | Audio feedback processing system |
| WO2018173267A1 (ja) * | 2017-03-24 | 2018-09-27 | ヤマハ株式会社 | 収音装置および収音方法 |
| JPWO2018173267A1 (ja) * | 2017-03-24 | 2020-01-23 | ヤマハ株式会社 | 収音装置および収音方法 |
| US10873810B2 (en) | 2017-03-24 | 2020-12-22 | Yamaha Corporation | Sound pickup device and sound pickup method |
| US10979839B2 (en) | 2017-03-24 | 2021-04-13 | Yamaha Corporation | Sound pickup device and sound pickup method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0583039B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-11-24 |
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