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1.DVB-S卫星数字电视卫星数字电视广播的信源部分见图7所示。多路音频A、视频V,或数据信号先经过MPEG-2数字编码压缩器,将200Mb/s以上的速率压缩到6Mb/s
1. DVB-S satellite digital television satellite digital television broadcast source part shown in Figure 7. Multi-channel audio A, video V, or data signals pass through the MPEG-2 digital code compressor to compress the rate above 200Mb / s to 6Mb / s