| 摘要 |
PROBLEM TO BE SOLVED: To enable the user to practice in accordance with a performing guidance at a duple time and a real tempo slower than the original musical piece irrespective of the time of the original musical piece.SOLUTION: A performing guidance is given by using either original piece guidance data matching the original piece and edited piece guidance data D1 edited on the basis of the original piece guidance data. The edited piece guidance data D1 corresponds to a sequence in which notes in the original piece guidance data are extended at an even number multiplying rate R (R=4), and its tempo is slower than the product of the tempo in the original piece guidance data and the multiplying rate R of extension. |
