JPS59130215U - Audio signal automatic level control circuit - Google Patents
Audio signal automatic level control circuitInfo
- Publication number
- JPS59130215U JPS59130215U JP2168483U JP2168483U JPS59130215U JP S59130215 U JPS59130215 U JP S59130215U JP 2168483 U JP2168483 U JP 2168483U JP 2168483 U JP2168483 U JP 2168483U JP S59130215 U JPS59130215 U JP S59130215U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- audio signal
- transmission
- control circuit
- output
- 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
- Control Of Amplification And Gain Control (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案回路の１実施例の回路構成図、第２図は
同回路中のＩＣ内の部−分回路図である。
主な図番の説明、１・・・音声信号源、２・・・伝送回
路、３・・・出力手段、４・・・分岐回路、５・・・時
定数回路、６・・・制御回路、７・・・スイッチング回
路、９・・・電源付与回路。FIG. 1 is a circuit configuration diagram of one embodiment of the circuit of the present invention, and FIG. 2 is a partial circuit diagram of an IC in the same circuit. Explanation of main drawing numbers, 1... Audio signal source, 2... Transmission circuit, 3... Output means, 4... Branch circuit, 5... Time constant circuit, 6... Control circuit , 7... switching circuit, 9... power supply circuit.
Claims (1)
伝送回路と、該伝送回路出力を受は記録媒体を該音声信
号を付与する出力手段と、前記伝送回路内の伝送信号を
分岐する回路と、該分岐回路出力が付与される時定数回
路と、該時定数回路出力を受は前記伝送信号のレベルに
応じ、て前記分岐回路の前段の伝送信号のレベルを制御
する回路と、再生モード時、前記ｉ＋を両回路の動作を
無効にする前記時定数回路出力の該制御回路への付与を
実質的に遮断するスイッチング回路とを備える音声信号
の自動レベル制御回路において、再生モード時、前記時
定数回路に一定の電源を付与する回路を備えることを特
徴とする音声信号の自動レベル制御回路。an audio signal source, a transmission circuit that transmits the audio signal from the audio signal source, an output means that receives the output of the transmission circuit and applies the audio signal to a recording medium, and branches the transmission signal in the transmission circuit. a circuit, a time constant circuit to which the output of the branch circuit is applied, a circuit that receives the output of the time constant circuit and controls the level of the transmission signal at the previous stage of the branch circuit according to the level of the transmission signal; an audio signal automatic level control circuit comprising: a switching circuit that substantially blocks application of the time constant circuit output to the control circuit; and a switching circuit that disables the operation of both the i+ circuits when in the playback mode; An automatic level control circuit for an audio signal, comprising a circuit for applying a constant power to the time constant circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2168483U JPS59130215U (en) | 1983-02-16 | 1983-02-16 | Audio signal automatic level control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2168483U JPS59130215U (en) | 1983-02-16 | 1983-02-16 | Audio signal automatic level control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59130215U true JPS59130215U (en) | 1984-09-01 |
Family
ID=30152803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2168483U Pending JPS59130215U (en) | 1983-02-16 | 1983-02-16 | Audio signal automatic level control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59130215U (en) |
-
1983
- 1983-02-16 JP JP2168483U patent/JPS59130215U/en active Pending
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