JPH0355882B2 - - Google Patents
Info
- Publication number
- JPH0355882B2 JPH0355882B2 JP12669590A JP12669590A JPH0355882B2 JP H0355882 B2 JPH0355882 B2 JP H0355882B2 JP 12669590 A JP12669590 A JP 12669590A JP 12669590 A JP12669590 A JP 12669590A JP H0355882 B2 JPH0355882 B2 JP H0355882B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- audio signal
- recording
- circuit
- 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.)
- Expired
Links
- 230000005236 sound signal Effects 0.000 claims description 79
- 230000006835 compression Effects 0.000 claims description 49
- 238000007906 compression Methods 0.000 claims description 49
- 230000001629 suppression Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 19
- 230000002452 interceptive effect Effects 0.000 description 10
- 230000006866 deterioration Effects 0.000 description 7
- 230000029058 respiratory gaseous exchange Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000002542 deteriorative effect Effects 0.000 description 2
- 230000035559 beat frequency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12669590A JPH0316004A (ja) | 1990-05-18 | 1990-05-18 | 音声雑音抑圧装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12669590A JPH0316004A (ja) | 1990-05-18 | 1990-05-18 | 音声雑音抑圧装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56073556A Division JPS57190478A (en) | 1981-05-18 | 1981-05-18 | Sound noise suppressing circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0316004A JPH0316004A (ja) | 1991-01-24 |
| JPH0355882B2 true JPH0355882B2 (pt) | 1991-08-26 |
Family
ID=14941562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12669590A Granted JPH0316004A (ja) | 1990-05-18 | 1990-05-18 | 音声雑音抑圧装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316004A (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4848195B2 (ja) * | 2006-03-10 | 2011-12-28 | ナプソン株式会社 | 膜厚測定装置 |
| JP4862011B2 (ja) * | 2008-04-28 | 2012-01-25 | 株式会社東京精密 | 研磨途中時点の検出方法と研磨装置並びに研磨状態モニタ方法と研磨終了時点の検出方法 |
-
1990
- 1990-05-18 JP JP12669590A patent/JPH0316004A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0316004A (ja) | 1991-01-24 |
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