CODING/DECODING METHOD AND DEVICE FOR SUBTITLE DATA, AND RECORDING MEDIUM FOR CODED SUBTITLE DATA

摘要

PURPOSE: To realize color wipe of subtitles and to revise a display mode as lapse of time. CONSTITUTION: A loading block comprising three lines includes P bits updating a changeover position of a color lookup table, H bits suppressing update of a changeover position in a succeeding frame and the remaining 10 bits are used to display a frame count. The color wiping is progressed by the P bits and the progress of color wipe is held by the H bits and the frame count to realize color wipe display.