<p style="color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; margin:0in; padding-top:0px; padding-bottom:0px; text-align:center"> <span lang="en-US" style="font-family:微软雅黑; font-size:26pt"><em>转载;http://blog.csdn.net/zxh821112/article/details/17587325</em></span></p>
<p style="color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; margin:0in; padding-top:0px; padding-bottom:0px; text-align:center"> <span lang="en-US" style="font-family:微软雅黑; font-size:26pt"><em><br> </em></span></p>
<p style="color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; margin:0in; padding-top:0px; padding-bottom:0px; text-align:center"> <span lang="en-US" style="font-family:微软雅黑; font-size:26pt"><em><br> </em></span></p>
<p style="color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; margin:0in; padding-top:0px; padding-bottom:0px; text-align:center"> <span lang="en-US" style="font-family:微软雅黑; font-size:26pt"><em><br> </em></span></p>
<p style="color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; margin:0in; padding-top:0px; padding-bottom:0px; text-align:center"> <span lang="en-US" style="font-family:微软雅黑; font-size:26pt"><em>"</em></span><span lang="en-US" style="font-family:微软雅黑; font-size:18pt"><em>SI</em></span><span lang="zh-CN" style="font-family:微软雅黑; font-size:18pt"><em>是对多个</em></span><span lang="en-US" style="font-family:微软雅黑; font-size:18pt"><em>TS</em></span><span lang="zh-CN" style="font-family:微软雅黑; font-size:18pt"><em>流的描述，它包含了</em></span><span lang="en-US" style="font-family:Calibri; font-size:18pt"><em>PSI</em></span><span lang="en-US" style="font-family:微软雅黑; font-size:26pt"><em>"</em></span></p>
<p style="color:rgb(51,51,51); font-family:Arial; line-height:26px; margin:0in; padding-top:0px; padding-bottom:0px; font-size:12pt"> <span lang="en-US" style="font-family:Calibri"> </span><span lang="en-US" style="font-family:微软雅黑"> PSI</span><span lang="zh-CN" style="font-family:微软雅黑">只提供了单个</span><span lang="en-US" style="font-family:Calibri">TS</span><span lang="zh-CN" style="font-family:微软雅黑">流的信息，使接收机能够对单个</span><span lang="en-US" style="font-family:Calibri">TS</span><span lang="zh-CN" style="font-family:微软雅黑">流中的不同节目进行解码；但是，它不能提供多个</span><span lang="en-US" style="font-family:Calibri">TS</span><span lang="zh-CN" style="font-family:微软雅黑">流的相关业务，也不能提供节目的类型、节目名称、开始时间、节目简介等信息。因此，</span><span lang="en-US" style="font-family:Calibri">DVB</span><span lang="zh-CN" style="font-family:微软雅黑">对</span><span lang="en-US" style="font-family:Calibri">PSI</span><span lang="zh-CN" style="font-family:微软雅黑">进行了扩展，提供了其他不同类型的表，形成了</span><span lang="en-US" style="font-family:Calibri">SI</span><span lang="zh-CN" style="font-family:微软雅黑">。</span></p>
<p style="color:rgb(51,51,51); font-family:Arial; line-height:26px; margin:0in; padding-top:0px; padding-bottom:0px; font-size:12pt"> <span lang="en-US" style="font-family:Calibri"> SI</span><span lang="zh-CN" style="font-family:微软雅黑">定义了</span><span lang="en-US" style="font-family:Calibri">PAT</span><span lang="zh-CN" style="font-family:微软雅黑">、</span><span lang="en-US" style="font-family:Calibri">PMT</span><span lang="zh-CN" style="font-family:微软雅黑">和</span><span lang="en-US" style="font-family:Calibri">CAT</span><span lang="zh-CN" style="font-family:微软雅黑">之外的</span><span lang="en-US" style="font-family:Calibri">9</span><span lang="zh-CN" style="font-family:微软雅黑">张表，通过组织</span><span lang="en-US" style="font-family:Calibri">SI</span><span lang="zh-CN" style="font-family:微软雅黑">提供的这些数据，可以生成类似节目报表的形式，方便用户查看多种信息，这就是所谓的电子节目指南（</span><span lang="en-US" style="font-family:Calibri">EPG</span><span lang="zh-CN" style="font-family:微软雅黑">）。</span></p>
<p style="color:rgb(51,51,51); font-family:Arial; line-height:26px; margin:0in; padding-top:0px; padding-bottom:0px; font-size:12pt"> <span lang="en-US" style="font-family:Calibri"> </span><span lang="zh-CN" style="font-family:微软雅黑">下面给出了</span><span lang="en-US" style="font-family:Calibri">SI</span><span lang="zh-CN" style="font-family:微软雅黑">定义的十张表（</span><span lang="en-US" style="font-family:Calibri">NIT</span><span lang="zh-CN" style="font-family:微软雅黑">的由</span><span lang="en-US" style="font-family:Calibri">SI</span><span lang="zh-CN" style="font-family:微软雅黑">规定的）：</span></p>
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