In the same time , it is needed to revise pcr ( program clock reference ) in ts for the rate of ts is changed 同時(shí)傳輸流的碼率發(fā)生了改變,需要對(duì)傳輸流的pcr作相應(yīng)的修改,以消除碼率改變?cè)斐山邮斩藱C(jī)頂盒的圖像抖動(dòng)。
Chapter 2 describes the system part of mpeg - 2 standard with focuses on psi ( program specific information ) and pcr ( program clock reference ) 第二章主要講述了mpeg - 2標(biāo)準(zhǔn)系統(tǒng)層規(guī)范,著重介紹節(jié)目特殊信息psi和節(jié)目時(shí)鐘參考pcr 。
This thesis will give you a brief introduction on mpeg2 system layer , and then go on with the implementation of de - multiplex and multiplex in the transrating system , including processing specific program information and program clock reference 本文將對(duì)mpeg2系統(tǒng)層進(jìn)行簡(jiǎn)單介紹,然后具體說(shuō)明本課題系統(tǒng)層復(fù)用解復(fù)用過(guò)程的實(shí)現(xiàn)方法,包括比較關(guān)鍵的對(duì)節(jié)目特定信息的處理以及對(duì)系統(tǒng)時(shí)鐘的處理方法等。