| 摘要 |
PROBLEM TO BE SOLVED: To provide a keyboard device capable of comprehensively showing a correspondence relationship between a key area of a displayed keyboard and a pitch range on a staff notation.SOLUTION: The keyboard device includes: a keyboard display unit for displaying a keyboard (401); a first staff notation display unit for displaying a pitch range corresponding to a key area of a keyboard displayed by the keyboard display unit, on a first staff notation; a change instruction unit for performing an instruction to change a range of the displayed key area of the keyboard; and a data generation unit for, when a key on the keyboard displayed by the keyboard display unit is selected, generating music note data of the pitch corresponding to the selected key. When a change instruction is performed by the change instruction unit, the keyboard display unit displays a keyboard having a key area of a range to which the change instruction is performed by the change instruction unit. When a change instruction is performed by the change instruction unit, the first staff notation display unit displays a pitch range (501) corresponding to the key area of the keyboard in the range to which the change instruction is performed by the change instruction unit on the first staff notation (402). |
