| 摘要 |
PROBLEM TO BE SOLVED: To provide a controller with which singing practice regarding a pitch is performed through sense stimulus other than sound. SOLUTION: The controller is equipped with: a reference voice input means 11 for selectively inputting voice including a reference song; a voice input means 12 for inputting a practice song by a practice person; a pitch comparison means 13 for comparing the pitch of the reference song included in voice input by a reference song input means 11, with the pitch of the practice song input by the voice input means 12; and an illumination control means 14 for changing a color of light to be emitted in real time, based on a comparison result by the pitch comparison means 13. COPYRIGHT: (C)2008,JPO&INPIT
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