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本文从MPEG-2标准的角度,就数字电视信源端将节目流(PS)转换为传输流环节(TS)对节目专用信息(PSI)处理的原理和方法进行讨论,描述了PSI信息合成和复用插入TS流的具体步骤,以及DVB标准对PSI的扩展。
This paper discusses the principle and method of program specific information (PSI) conversion from program stream (PS) to transport stream section (TS) from the perspective of MPEG-2 standard, and describes the PSI information synthesis and The concrete steps of multiplexing and inserting TS stream, as well as the expansion of PSI by DVB standard.