| 摘要 |
An approach for controlling lighting in a digital video stream is presented. A user loads digital content into a light tracking system. The digital content includes three tracks, which are a video track, an audio track, and a light control track. After loading, the user selects either a "partial light effect setting" or a "full light effect setting." When the user selects a partial light effect setting, the light tracking system lowers the environmental lighting device's illumination at the beginning of the digital content's playing, and raises the environmental lighting device's illumination at the end of the digital content's playing. When the user selects a full light effect setting, the light tracking system adjusts the environmental lighting device's illumination throughout the digital content's playback, as well as lowering and raising the environmental lighting device's illumination at the beginning and the end of the movie, respectively.
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