| 摘要 |
A musical instrument input device includes a frame having a latitudinal top surface and an array of equally sized and spaced apart keys mounted onto the latitudinal top surface. Each of the keys corresponds to a note on a chromatic scale and each of the keys is arranged in a plurality of rows and a plurality of columns. The keys in each row are arranged to correspond to a chromatic scale and the keys in any selected row are in a scalar transposition by a predetermined interval relative to each row adjacent to the selected row so that each key in a column corresponds to a note that is shifted from a note corresponding to an immediately adjacent key in the column by the predetermined interval. A note generator generates a sound corresponding to a note associated with a selected key when the selected key is activated.
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