| 摘要 |
According to one embodiment, a playback apparatus, includes: a decoder that decodes stream data to output a video signal, a generator that generates a transparency update signal and a layout update signal based on transparency information and layout information that are described in a script file such that the transparency update signal and the layout update signal are generated to synchronize with each other; and an output unit that outputs the video signal with a transparency updated according to the transparency update signal and with a layout coordinate synchronously updated according to the layout update signal.
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