Chapter 2 describes the system part of MPEG-2 standard with focuses on PSI (Program Specific Information) and PCR (ProgramClock Reference).
第二章主要讲述了MPEG - 2标准系统层规范,着重介绍节目特殊信息PSI和节目时钟参考pcr。
2
You program the clock with the latest time at which you want to be wakened, and it then duly wakes you during the last light sleep phase before that.
你给时钟设定了你想要醒来的最晚时间,然后它会在之前的浅睡眠阶段按时叫醒你。
3
A client program on the workstation might use the application server clock, but the time value will be different from what the user sees on the workstation itself.