| Summary: | 碩士 === 國立交通大學 === 電機資訊學院碩士在職專班 === 94 === Among many multimedia products, digital set-top box plays a key role as consumer promise equipment. The key performance index for a set-top box appears to be its video and audio quality. The video quality is benchmarked by many different types of video patterns. In this thesis, we propose a Video Combination Technique (VCT) to integrate twenty-four video sources into a single one. Thus, the benefits of VCT include lower test complexity, lower test cycles and cost saving. From the system quality point of view, there are testing network transmission layer, compression layer and video/audio output signal layer. All the tests are sum up to be 329,726,592 items. Therefore, we implement an automated test measurement system (ATMS) to save the test cycles and time. So set-top box manufacturing cost is lower and productivity is improved.
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