| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for displaying operation of hands and fingers during performance in such a form as a user can easily understand. SOLUTION: The part from the wrist to fingers is divided into a hand part and five finger parts, and each finger part is further divided into three parts. Key-on operation by a finger part is started before a corresponding musical sound is started to sound, and key-off operation is started when the musical sound is stopped. A key-off finger part is relaxed unless it is used for the next key-on operation. The hand part is moved in a x-y planes according to a position of a key to be pressed and the kind of the finger to be used for pressing the key. Key-on operation of plural keys for sounding composition sound of a chord is expressed by moving the hand part position on the z-axis. In such a manner, a stream of performance operation is expressed as animation. |
