JPS6172914U - - Google Patents
Info
- Publication number
- JPS6172914U JPS6172914U JP15791184U JP15791184U JPS6172914U JP S6172914 U JPS6172914 U JP S6172914U JP 15791184 U JP15791184 U JP 15791184U JP 15791184 U JP15791184 U JP 15791184U JP S6172914 U JPS6172914 U JP S6172914U
- Authority
- JP
- Japan
- Prior art keywords
- audio
- output
- adder
- input signal
- volume
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来の音声混合回路の回路図である。図において
、
１……音声信号（BASE）入力端子、２……音声
割込信号（ＯＬ）入力端子、３……音声混合増幅
器、４……音声出力端子、５……制御器、６……
音声放送モード入力端子、７……切替器、８……
音量減衰器（ＡＴＴ）、９……音声加算回路であ
る。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional audio mixing circuit. In the figure, 1...Audio signal (BASE) input terminal, 2...Audio interrupt signal (OL) input terminal, 3...Audio mixing amplifier, 4...Audio output terminal, 5...Controller, 6...
Audio broadcast mode input terminal, 7...Switcher, 8...
Volume attenuator (ATT), 9... audio addition circuit.
Claims (1)
この音量減衰器からの出力と音声割込信号とを加
算する加算器と、前記音声入力信号を入力し音声
放送モード信号に応じて、この音声入力信号ある
いは前記加算器の出力とを切替えて出力する切替
器とを含む音声混合回路。 a volume attenuator that adjusts the volume of the audio input signal;
An adder that adds the output from the volume attenuator and the audio interrupt signal, and an adder that inputs the audio input signal and switches between this audio input signal or the output of the adder according to the audio broadcast mode signal and outputs the output. an audio mixing circuit including a switch for
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15791184U JPS6172914U (en) | 1984-10-19 | 1984-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15791184U JPS6172914U (en) | 1984-10-19 | 1984-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6172914U true JPS6172914U (en) | 1986-05-17 |
Family
ID=30715900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15791184U Pending JPS6172914U (en) | 1984-10-19 | 1984-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172914U (en) |
-
1984
- 1984-10-19 JP JP15791184U patent/JPS6172914U/ja active Pending