DVB-CA系统的基本框架的学习

上传者: zznieyanlong1989 | 上传时间: 2022-07-04 16:58:42 | 文件大小: 2.16MB | 文件类型: RAR
1、基本码流(ES):视、音频及数字信号首先经过MPEG-2编码器分别进行压缩编码,编码后的码流成为基本码流。 2、打包基本码流(PES):ES经过打包将连续的数据流按一定的长度分割,切割成一个个单元包,成为打包基本码流。 3、PES流进入传输复用器中切割成一个个固定长度为188个字节的包才,成为传输包。由传输包组成的数据流成为传输流——TS流。 可以用软件进行TS流的PSI信息提取,对一段视频进行加密、解密。熟练应用C++。

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