| 摘要 |
PROBLEM TO BE SOLVED: To provide a Karaoke device in which a key pitch and arrangement of a Karaoke musical piece can be changed, the Karaoke device having enhanced convenience at key setting time.SOLUTION: The Karaoke device 100 subtracts an original musical piece key value from a standard key value concerning indicated Karaoke data, and calculates an offset value (S3). The Karaoke device 100 then adds the original musical piece key value to the offset value, and calculates a display key value (S5). When there is a key change, the Karaoke device 100 subtracts the original musical piece key value from the selected key value concerning the selected key pitch, to update the offset value (S8), and calculates the display key value using the updated offset value (S5). When there is an arrangement change, the Karaoke device 100 adds the original musical piece key value of arrangement after update, to a present offset value, and updates the display key value (S5). When a musical piece is reserved, the Karaoke device 100 outputs sound of the Karaoke musical piece at a key pitch indicated by the display key value. |
