What is an audio cable?
Author：Sinodec Industrial Co., Ltd.
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Time：2022-03-21 15:06:32
Audio and video cable, referred to as audio cable, is a kind of connecting line that is very common in our life. It is also very close to our life. It is often used, but few people should have a deep understanding of it. We are here to make a Probably: the audio and video cable consists of two parts: the audio cable and the connector. The audio cable is usually a two-core shielded cable. The common connectors are RCA (commonly known as lotus head), XLR (commonly known as card head), and TRS JACKS. (commonly known as the pen head).
Audio cable code
In a broadcast control room, the number of audio and video cables of each signal is quite large. At the same time, because the location is very concentrated, if you do not encode each cable, it will bring extreme maintenance to the future. Great inconvenience. The method is very simple. Before making the connector, you can put the line code on the two ends of the AV cable according to the pre-programmed number. The principle of coding is simple and intuitive, and coding is also inconvenient to maintain. It is recommended to use a combination of letters and numbers, such as: VD101 represents the first output (01) of the video (V) splitter (D) No. 1 (1). This is illustrated by a set of codes:
1, signal properties: video signal;
2. Signal source: video distributor;
3. Equipment number: No. 1 machine;
4. Port position: No. 1 output port.
PS: Letter annotation:
V--VIDEO video
A--AUDIO audio
BB--BLACK BURST black field (synchronization signal)
P--PLAYER
R--RECORDER deck
D--DISTRIBUTER distributor
M--MONITOR monitor
CG--CHARACTER GENERATOR subtitle machine
O--OPTICAL RECEIVER Optical Receiver
TTBC--Time Base Corrector
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