JPS6211204U - - Google Patents
Info
- Publication number
- JPS6211204U JPS6211204U JP10226685U JP10226685U JPS6211204U JP S6211204 U JPS6211204 U JP S6211204U JP 10226685 U JP10226685 U JP 10226685U JP 10226685 U JP10226685 U JP 10226685U JP S6211204 U JPS6211204 U JP S6211204U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- audio
- average level
- audio signal
- 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.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案の音声信号選択回路の回路構成
図、第２図は従来の音声信号選択回路の回路構成
図である。
１……第１信号処理回路、２……第２信号処理
回路、３……スイツチ回路、４……制御回路、１
１……加算器、１７……オペアンプ。
FIG. 1 is a circuit diagram of an audio signal selection circuit according to the present invention, and FIG. 2 is a circuit diagram of a conventional audio signal selection circuit. DESCRIPTION OF SYMBOLS 1...First signal processing circuit, 2...Second signal processing circuit, 3...Switch circuit, 4...Control circuit, 1
1... Adder, 17... Operational amplifier.
Claims (1)
抽出して、その平均レベル信号を出力する第１信
号処理回路と、前記ビデオトラツクとは別に設け
られたオーデイオトラツク上に収録された第２音
声信号を抽出して、その平均レベル信号を出力す
る第２信号処理回路と、前記第１、第２音声信号
を入力してこれら第１、第２音声信号の一方、若
しくは両方を出力するスイツチ回路と、前記第１
、第２音声信号の平均レベル信号を比較して前記
スイツチ回路を切換える制御回路とを備え、前記
制御回路が上記第１音声信号の平均レベル信号と
上記第２音声信号の平均レベル信号とが異なると
きのみ、前記第１、第２音声信号のＭＩＸ信号を
出力するように上記スイツチ回路を制御すること
を特徴とした音声信号選択回路。 a first signal processing circuit that extracts a first audio signal recorded on a video track and outputs its average level signal; and a second audio signal recorded on an audio track provided separately from the video track. a second signal processing circuit that extracts the signal and outputs an average level signal thereof; and a switch circuit that inputs the first and second audio signals and outputs one or both of the first and second audio signals. , said first
, a control circuit that compares an average level signal of a second audio signal and switches the switch circuit, wherein the control circuit determines that the average level signal of the first audio signal is different from the average level signal of the second audio signal. An audio signal selection circuit characterized in that the switch circuit is controlled to output a MIX signal of the first and second audio signals only when the audio signal is selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10226685U JPS6211204U (en) | 1985-07-03 | 1985-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10226685U JPS6211204U (en) | 1985-07-03 | 1985-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6211204U true JPS6211204U (en) | 1987-01-23 |
Family
ID=30973760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10226685U Pending JPS6211204U (en) | 1985-07-03 | 1985-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6211204U (en) |
-
1985
- 1985-07-03 JP JP10226685U patent/JPS6211204U/ja active Pending