JPH0448014Y2 - - Google Patents
Info
- Publication number
- JPH0448014Y2 JPH0448014Y2 JP685786U JP685786U JPH0448014Y2 JP H0448014 Y2 JPH0448014 Y2 JP H0448014Y2 JP 685786 U JP685786 U JP 685786U JP 685786 U JP685786 U JP 685786U JP H0448014 Y2 JPH0448014 Y2 JP H0448014Y2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- level
- variable gain
- circuit
- 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 18
- 230000005236 sound signal Effects 0.000 claims description 14
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP685786U JPH0448014Y2 (lv) | 1986-01-20 | 1986-01-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP685786U JPH0448014Y2 (lv) | 1986-01-20 | 1986-01-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62119014U JPS62119014U (lv) | 1987-07-28 |
JPH0448014Y2 true JPH0448014Y2 (lv) | 1992-11-12 |
Family
ID=30789763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP685786U Expired JPH0448014Y2 (lv) | 1986-01-20 | 1986-01-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0448014Y2 (lv) |
-
1986
- 1986-01-20 JP JP685786U patent/JPH0448014Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS62119014U (lv) | 1987-07-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4553257A (en) | Automatic sound volume control device | |
US5666426A (en) | Automatic volume control to compensate for ambient noise variations | |
US4490585A (en) | Hearing aid | |
US4476571A (en) | Automatic sound volume control device | |
JP3295443B2 (ja) | オーディオ装置における信号処理回路 | |
JP3295440B2 (ja) | オーディオ装置における信号処理回路 | |
JPH0389706A (ja) | 自動音量調整装置 | |
US4322579A (en) | Sound reproduction in a space with an independent sound source | |
US4837824A (en) | Stereophonic image widening circuit | |
US4506381A (en) | Aural transmitter device | |
US6628788B2 (en) | Apparatus and method for noise-dependent adaptation of an acoustic useful signal | |
US4881047A (en) | Automatic gain expansion system | |
JPH0448014Y2 (lv) | ||
US4742310A (en) | Automatic sound volume controlling device for use in automotive vehicle | |
JPH0448013Y2 (lv) | ||
WO1983002862A1 (en) | A method and a device for the damping of transients | |
JPH0447486B2 (lv) | ||
JPH0478046B2 (lv) | ||
JPH0478045B2 (lv) | ||
JPH0478047B2 (lv) | ||
US5789977A (en) | Audio amplifier | |
JPS6145639Y2 (lv) | ||
JPS63217809A (ja) | 自動利得制御回路 | |
JPS5813008A (ja) | 音声信号制御回路 | |
JPH0334244B2 (lv) |