| 摘要 |
PROBLEM TO BE SOLVED: To give an accurate playing guide even when the maximum number of light emitting means which can emit light at the same time is less than the total number of chords of playing guide data. SOLUTION: When event data having the same sounding start time among event data of automatically played music exceeds a specific number, a CPU 1 generates playing guide data with a specific time for every specified number of event data and outputs the data to an LED group 8. |
