JPS5583352A - Noise reduction unit on signal compression and expansion system - Google Patents
Noise reduction unit on signal compression and expansion systemInfo
- Publication number
- JPS5583352A JPS5583352A JP16601078A JP16601078A JPS5583352A JP S5583352 A JPS5583352 A JP S5583352A JP 16601078 A JP16601078 A JP 16601078A JP 16601078 A JP16601078 A JP 16601078A JP S5583352 A JPS5583352 A JP S5583352A
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- circuit
- variable impedance
- root unit
- noise reduction
- 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
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16601078A JPS5583352A (en) | 1978-12-20 | 1978-12-20 | Noise reduction unit on signal compression and expansion system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16601078A JPS5583352A (en) | 1978-12-20 | 1978-12-20 | Noise reduction unit on signal compression and expansion system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5583352A true JPS5583352A (en) | 1980-06-23 |
Family
ID=15823213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16601078A Pending JPS5583352A (en) | 1978-12-20 | 1978-12-20 | Noise reduction unit on signal compression and expansion system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5583352A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55156412A (en) * | 1979-05-24 | 1980-12-05 | Sony Corp | Gain control circuit |
JPS60154797A (ja) * | 1984-01-25 | 1985-08-14 | Hitachi Ltd | カラ−信号処理回路 |
JPH07307633A (ja) * | 1980-03-31 | 1995-11-21 | Hewlett Packard Co <Hp> | 信号減衰機 |
-
1978
- 1978-12-20 JP JP16601078A patent/JPS5583352A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55156412A (en) * | 1979-05-24 | 1980-12-05 | Sony Corp | Gain control circuit |
JPS6361804B2 (ja) * | 1979-05-24 | 1988-11-30 | ||
JPH07307633A (ja) * | 1980-03-31 | 1995-11-21 | Hewlett Packard Co <Hp> | 信号減衰機 |
JPS60154797A (ja) * | 1984-01-25 | 1985-08-14 | Hitachi Ltd | カラ−信号処理回路 |
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