A DVD player that integrates a DVD device into a personal computer is provided. As such, the personal computer is able to output audio-visual works from a DVD CD-ROM. When integrating a DVD device with a personal computer, various problems must be overcome. For example, in a personal computer, the video...http://www.google.com.tw/patents/US5951690?utm_source=gb-gplus-share專利 US5951690 - Synchronizing an audio-visual stream synchronized to a clock with a video display that is synchronized to a different clock