JPH0158686B2 - - Google Patents
Info
- Publication number
- JPH0158686B2 JPH0158686B2 JP8889780A JP8889780A JPH0158686B2 JP H0158686 B2 JPH0158686 B2 JP H0158686B2 JP 8889780 A JP8889780 A JP 8889780A JP 8889780 A JP8889780 A JP 8889780A JP H0158686 B2 JPH0158686 B2 JP H0158686B2
- Authority
- JP
- Japan
- Prior art keywords
- level
- detection
- audio
- unit time
- audio signal
- 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
- 238000001514 detection method Methods 0.000 claims description 72
- 230000005236 sound signal Effects 0.000 claims description 38
- 239000003990 capacitor Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000035807 sensation Effects 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8889780A JPS5714205A (en) | 1980-06-30 | 1980-06-30 | Automatic controller for audio level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8889780A JPS5714205A (en) | 1980-06-30 | 1980-06-30 | Automatic controller for audio level |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5714205A JPS5714205A (en) | 1982-01-25 |
| JPH0158686B2 true JPH0158686B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-12-13 |
Family
ID=13955745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8889780A Granted JPS5714205A (en) | 1980-06-30 | 1980-06-30 | Automatic controller for audio level |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5714205A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1980
- 1980-06-30 JP JP8889780A patent/JPS5714205A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5714205A (en) | 1982-01-25 |