| 摘要 |
PROBLEM TO BE SOLVED: To improve the entertainment contents and to expand the functionality of the reproducing device which can perform reproduction, corresponding to a disk where main data such as audio data and subordinate data of texts and still images reproduced synchronously with the main data are recorded. SOLUTION: This apparatus is constituted so that a choice can be made among a playback mode 1 is set sleotable, wherein only audio data are reproduced, a playback mode 2 wherein audio data and text data are reproduced synchronously, a playback mode 3 wherein the audio data and text are reproduced synchronously and only a cover image of an image file is reproduced, a playback mode 4 wherein the audio data, text data, and image file are reproduced synchronously, and a playback mode 5 wherein only the image file is reproduced according to a synchronous playback time. Consequently, a variety of playback styles can be obtained. For example, when only the audio data are reproduced in the playback mode 1, only the area of the audio data is accessed, and the recording area of the subordinate data is not accessed in a playback period, so that the generation frequency of mechanical noise by a thread mechanism carrying an optical head is suppressed to obtain improved audio listening environment.
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