JPH0452003B2 - - Google Patents
Info
- Publication number
- JPH0452003B2 JPH0452003B2 JP386489A JP386489A JPH0452003B2 JP H0452003 B2 JPH0452003 B2 JP H0452003B2 JP 386489 A JP386489 A JP 386489A JP 386489 A JP386489 A JP 386489A JP H0452003 B2 JPH0452003 B2 JP H0452003B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- input
- level
- gain
- filter
- 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 - Lifetime
Links
- 230000007423 decrease Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 230000005236 sound signal Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1003864A JPH01236710A (ja) | 1989-01-12 | 1989-01-12 | ノイズリダクション回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1003864A JPH01236710A (ja) | 1989-01-12 | 1989-01-12 | ノイズリダクション回路 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55121208A Division JPS5746517A (en) | 1980-09-03 | 1980-09-03 | Noise reduction circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01236710A JPH01236710A (ja) | 1989-09-21 |
JPH0452003B2 true JPH0452003B2 (ko) | 1992-08-20 |
Family
ID=11569065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1003864A Granted JPH01236710A (ja) | 1989-01-12 | 1989-01-12 | ノイズリダクション回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01236710A (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5001385B2 (ja) * | 2010-02-01 | 2012-08-15 | 日本電信電話株式会社 | プリエンファシス回路 |
-
1989
- 1989-01-12 JP JP1003864A patent/JPH01236710A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH01236710A (ja) | 1989-09-21 |
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