| 摘要 |
PURPOSE: A keyboard device for music lesson is provided to enable a user to conveniently practice piano and enable objective evaluation of user musical repertoires and standard musical repertoires. CONSTITUTION: A display module(101) produces a musical note display window using pre-stored standard musical repertoires information. The display module indicates the musical note of the standard musical repertoires and displays the user's finger movement image or the standard finger movement image. A finger position image processor(102) photographs the user's finger movement on the keyboard. A performance strength processor(103) displays valuation information by comparing the information about the performance strength of standard musical repertoires and the information about the performance strength of the user musical repertoires. |
