| 摘要 |
PROBLEM TO BE SOLVED: To eliminate unnaturalness in which pitch of a percussion instrument is changed by the key control of a recording type karaoke device that does not require a expensive sound source. SOLUTION: Karaoke accompaniment music data equivalent to a music are divided into a drum part in which playing sound of a percussion instrument is digitally recorded and a main part in which playing sound of other musical instruments excluding the drum part is digitally recorded. The total music data are constituted of the above two parts and the synchronization information of the two parts. Note that the karaoke device is provided with a drum part reproducing means and a main part reproducing means which synchronously reproduce the drum and the main parts and output acoustic signals, a tempo control means which equally changes the music reproducing tempos of the drum and the main part reproducing means in accordance with a tempo change command and a pitch control means which changes the music reproducing pitch by the main part reproducing means in accordance with a pitch change command and does not change the music reproducing pitch of the drum part reproducing means. |
