These values are encapsulated in a digital signature of 76 bytes per frame.
这些数值被压缩入每画面76字节的数字签名中。
In other words, parity bytes monitor and detect errors over different parts of a SONET frame.
换句话说，校验字节的监测和检测过的SONET帧的不同部分中的错误。
Each frame is wrapped in a packet, which affixes several bytes of information used in establishing the connection and marking where the frame starts.
每一帧是包在一个包，黏贴几个字节的信息用于建立连接和标记帧开始的地方。
The preamble is a sequence of bytes that identifies the beginning of a frame.
同步 信号是一个字节序列，它是帧起始部分的识别标志。
The price we pay for all these features is 3 bytes of additional overhead per frame, a few frames of negotiation when the link is established, and a more complex implementation.
这些特征的代价仅为每帧3字节的额外开销，链路建立是的一些协商帧，以及一些复杂的实现。
Bytes per pixel, size of the frame, and pitch (or stride) are calculated internally according to the ChromaType value.
每像素字节数、桢长度和间距（或步幅）根据ChromaType值在内部计算。
Bytes per pixel, size of the frame, and pitch (or stride) are calculated internally according to the ChromaType value.
每像素字节数、桢长度和间距（或步幅）根据ChromaType值在内部计算。
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