JPH0164232U - - Google Patents
Info
- Publication number
- JPH0164232U JPH0164232U JP1987159036U JP15903687U JPH0164232U JP H0164232 U JPH0164232 U JP H0164232U JP 1987159036 U JP1987159036 U JP 1987159036U JP 15903687 U JP15903687 U JP 15903687U JP H0164232 U JPH0164232 U JP H0164232U
- Authority
- JP
- Japan
- Prior art keywords
- level
- attenuating
- attenuation
- audio signal
- volume adjustment
- 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
- 230000005236 sound signal Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
Description
第１図は本考案の一実施例の音量調節装置１の
構成を示すブロツク図、第２図は本考案の他の実
施例の音量調節装置１ａの構成を示すブロツク図
である。
１，１ａ……音量調節装置、２，９，１０……
音量調節部、３……音量制御部、４……減衰器制
御部、５，６，１１，１２，１３……減衰器、７
，８，１４，１５，１６……切換スイツチ。
FIG. 1 is a block diagram showing the structure of a volume control device 1 according to one embodiment of the present invention, and FIG. 2 is a block diagram showing the structure of a volume control device 1a according to another embodiment of the present invention. 1, 1a... Volume control device, 2, 9, 10...
Volume adjustment section, 3... Volume control section, 4... Attenuator control section, 5, 6, 11, 12, 13... Attenuator, 7
, 8, 14, 15, 16... changeover switch.
Claims (1)
レベルを減衰する第１減衰手段と、 音量調節手段の出力側に設けられ、音響信号の
レベルを減衰する第２減衰手段と、 第１減衰手段と第２減衰手段との入力側にそれ
ぞれ設けられる切換手段であつて、入力音響信号
が予め定められる特定レベルより大のとき、第１
減衰手段のみが用いられ、入力音響信号が前記特
定レベルより小のとき第２減衰手段のみが用いら
れるように切換えられる、そのような切換手段と
を含むことを特徴とする音量調節装置。[Claims for Utility Model Registration] Volume adjustment means for changing the level of an audio signal; first attenuation means provided on the input side of the volume adjustment means and attenuating the level of the audio signal; and on the output side of the volume adjustment means. a second attenuation means for attenuating the level of the acoustic signal; and a switching means provided at the input side of the first attenuation means and the second attenuation means, wherein the input acoustic signal is higher than a predetermined specific level. When , the first
A volume control device characterized in that it comprises switching means, wherein only the attenuating means is used, and such a switching means is switched such that only the second attenuating means is used when the input audio signal is less than the specified level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159036U JPH0164232U (en) | 1987-10-16 | 1987-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159036U JPH0164232U (en) | 1987-10-16 | 1987-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164232U true JPH0164232U (en) | 1989-04-25 |
Family
ID=31439890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159036U Pending JPH0164232U (en) | 1987-10-16 | 1987-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164232U (en) |
-
1987
- 1987-10-16 JP JP1987159036U patent/JPH0164232U/ja active Pending