分量视频接口也叫色差输出/输入接口，又叫3RCA。分量视频接口通常采用YPbPr和YCbCr两种标识。
目的了解数字视频信号的分量记录格式基础———DV记录格式及其帧内压缩原理。
Aim To find out the base of component track record format of the digital video signal, the DV-record format and the compressed principle in a single frame.
作为视频信号的一部分，双电平同步包含了一部分并不需要的直流分量(如图2)。
As part of the video signal, bi-level sync introduces an unwanted DC component (Figure 2).
将复合视频、YC分量等模拟视频信号进行AD转换以获取图像的数字信号，同时提取其中的同步和时钟信号。
The composite video, YC component analog video signals such as AD conversion to obtain digital image signals, to extract the synchronization and clock signals. (2) Embedded Systems PCB drawing.
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