| 摘要 |
PROBLEM TO BE SOLVED: To provide the tempo control device of an automatic playing device in which a tempo is changed in accordance with the rhythmical movements of a person. SOLUTION: The tempo control device for an automatic playing device performs an accompaniment based on MIDI data. The device is provided with an acceleration sensor 131 which instructs a time interval, a tempo value computing means 10 which computes a tempo value based on the time interval instructed by the sensor 131 and tempo changing means 10 and 16 which change the tempo of the automatic playing to the tempo corresponding to the tempo value computed by the means 10. |
