Chapter 2 describes the system part of MPEG-2 standard with focuses on PSI (Program Specific Information) and PCR (Program ClockReference).
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
Ideally, both programs use the same referenceclock, such as the application server's clock.
理想情况,两个程序都使用相同的参照时钟,比如应用服务器的时钟。
3
Single frequency source is usually used as local oscillator in communication system and radar system, also as a referenceclock in digital circuits, so it is a extensive-applied technique.