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A Test Stream Generating Method for the Digital TV Software  

곽태희 (삼성전자 CTO전략실 소프트웨어센터)
최병주 (이화여자대학교 컴퓨터학과)
Publication Information
Journal of KIISE:Software and Applications / v.30, no.10, 2003 , pp. 925-937 More about this Journal
Abstract
The input of digital TV software is the Transport Stream, which utilizes the moving picture compression technique, MPEC-2 (Moving Picture Experts Groups-2). MPEG-2 TS consists of the complicated table hierarchy and internal relationships, as well as the various restrictions with regards to system standard of digital TV software in determining the field values of transport stream. However, the general MPEG-2 TS generation tool produces transport streams solely based on the MPEG-2 TS specification itself, and does not consider the interaction between modulo features or modules themselves, which construct digital TV software. In this paper, we propose a method to systematically generate MPEG-2 TS test data, namely‘Test Stream’, for digital TV software. We present the experiment result where the test stream derived from our developed tool according to the proposed method was applied to the actual digital TV software settop-box, and then analyze the result. Apart from other existing MPEG-2 TS generation tools, the advantage of our method is that not only is it capable of generating various levels of test streams including digital TV software module, integration, and system testing, but also detecting errors and analyzing their causes.
Keywords
Test Stream; Digital TV Software Testing; MPEG-2 TS;
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