JPS5441006A - Compression expansion unit - Google Patents
Compression expansion unitInfo
- Publication number
- JPS5441006A JPS5441006A JP10807877A JP10807877A JPS5441006A JP S5441006 A JPS5441006 A JP S5441006A JP 10807877 A JP10807877 A JP 10807877A JP 10807877 A JP10807877 A JP 10807877A JP S5441006 A JPS5441006 A JP S5441006A
- Authority
- JP
- Japan
- Prior art keywords
- expansion unit
- compression expansion
- signal level
- expander
- compensates
- 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
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
PURPOSE: To make the output signal level of an expander equal to the input signal level of a compressor even at a large amplitude time by using a non-linear amplifier which compensates the saturation characteristic of a recording medium.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10807877A JPS5441006A (en) | 1977-09-08 | 1977-09-08 | Compression expansion unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10807877A JPS5441006A (en) | 1977-09-08 | 1977-09-08 | Compression expansion unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5441006A true JPS5441006A (en) | 1979-03-31 |
Family
ID=14475305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10807877A Pending JPS5441006A (en) | 1977-09-08 | 1977-09-08 | Compression expansion unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5441006A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58116818A (en) * | 1981-12-29 | 1983-07-12 | Sony Corp | Noise reduction device |
JPS58116819A (en) * | 1981-12-29 | 1983-07-12 | Sony Corp | Noise reduction device |
JPH0246014A (en) * | 1988-08-08 | 1990-02-15 | Toshiba Corp | Non-linear amplifier circuit and non-linear emphasis/ deemphasis circuit using the same |
-
1977
- 1977-09-08 JP JP10807877A patent/JPS5441006A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58116818A (en) * | 1981-12-29 | 1983-07-12 | Sony Corp | Noise reduction device |
JPS58116819A (en) * | 1981-12-29 | 1983-07-12 | Sony Corp | Noise reduction device |
JPH03814B2 (en) * | 1981-12-29 | 1991-01-09 | Sony Corp | |
JPH03815B2 (en) * | 1981-12-29 | 1991-01-09 | Sony Corp | |
JPH0246014A (en) * | 1988-08-08 | 1990-02-15 | Toshiba Corp | Non-linear amplifier circuit and non-linear emphasis/ deemphasis circuit using the same |
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