point emission source是什么意思

用法例句

The packing MPEG-2 data stream by DSP, including packing video data to PES packet, packing audio data to PES packet and packing all PES packets to TS stream were demonstrated in details.

阐述用DSP实现MPEG-2数据流打包,包括视频原始流数据打成PES包,音频原始流数据打成PES包,视频、音频PES包打成TS包三部分。