| 摘要 |
Video information can be smoothly played back without producing a frame jump even if an externally-instructed playback velocity changes every moment. The present invention comprises a hard disk 11 for storing video information D1 corresponding to n frames therein, two buffer memories 13A and 13B for respectively inputting video information D1 corresponding to continuous m frames therein and outputting the video information D1 while changing writing and reading, means 14 for reproducing the video information D1, and a CPU 23 for alternately writing video information D1 into the memories 13A and 13B based on the playback velocity so that video information D1 corresponding to several frames overlap, determining a slow reproducible playback velocity range according to the video information D1, correcting the playback velocity so as to fall within the playback velocity range, and thereafter reading the video information D1 into the reproducing means 14 from the memories 13A and 13B based on the corrected playback velocity.
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