Based on MPEG-2 standard, the theory of head-end package processor in QAM modulator is interpreted.

以MPEG - 2标准为基础，阐述了QAM调制器前端包处理器的原理。

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MPEG-2 standard has been widely used in the fields of multimedia communication, digital television broadcasting and so on.

MPEG - 2标准已经被广泛地应用于诸如多媒体通信、数字电视等领域。

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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。

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Today's high-definition sources are scrunched down with MPEG-2, a long-lived standard also used by DVDs.

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It will be a revenue model similar to compact discs or MPEG-2, the standard for digital satellite communications.

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The player will support several digital video formats, including MPEG 2, which is the current standard for digital video used on DVD discs and in hard-drive TV recorders like ReplayTV and TiVo (nasdaq: TIVO - news - people ).

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