Abstract
This paper addresses the processing of packetized audio elementary streams (ES) during the splicing of ISO/IEC 13818 (MPEG-2) transport streams (TS). An algorithm is developed that produces a continuous audio ES across the splicing point, avoids all noticeable audio artifacts, and hence provides a seamless audio splice without the need to decode and re-encode audio ESs. Perfect continuity with respect to the presentation time stamps (PTS) and careful management of the audio buffer level at all times lead to a glitch-free audio play-out for an unlimited number of splices. The proposed algorithm parses the packetized audio ES up to the audio access unit (AAU) level and is very simple to implement.
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