JPS5417610A - Compressor-expander circuit for signal - Google Patents
Compressor-expander circuit for signalInfo
- Publication number
- JPS5417610A JPS5417610A JP8325277A JP8325277A JPS5417610A JP S5417610 A JPS5417610 A JP S5417610A JP 8325277 A JP8325277 A JP 8325277A JP 8325277 A JP8325277 A JP 8325277A JP S5417610 A JPS5417610 A JP S5417610A
- Authority
- JP
- Japan
- Prior art keywords
- compressor
- signal
- expander circuit
- expander
- variable gain
- 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
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
PURPOSE: To obtain a high-fidelity compressor-expander of extremely-simple constitution, by controlling the gain of a variable gain amplifier by the difference output detected through the comparison after voltage-dividing appropriately the logarithm-converted input and output of the variable gain amplifier.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52083252A JPS6047774B2 (en) | 1977-07-09 | 1977-07-09 | Signal compression/expansion circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52083252A JPS6047774B2 (en) | 1977-07-09 | 1977-07-09 | Signal compression/expansion circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5417610A true JPS5417610A (en) | 1979-02-09 |
JPS6047774B2 JPS6047774B2 (en) | 1985-10-23 |
Family
ID=13797136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52083252A Expired JPS6047774B2 (en) | 1977-07-09 | 1977-07-09 | Signal compression/expansion circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6047774B2 (en) |
-
1977
- 1977-07-09 JP JP52083252A patent/JPS6047774B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6047774B2 (en) | 1985-10-23 |
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