| 摘要 |
<P>PROBLEM TO BE SOLVED: To recommend a suitable musical interval (key) to a user with respect to a designated musical piece. <P>SOLUTION: When an authenticated user designates a musical piece, a Karaoke system according to the present invention compares a first difference being a difference between a user-specific key adjustment value of the authenticated user and a musical piece-specific key adjustment value of the designated musical piece, with a second difference being a difference between the user-specific key adjustment value of the authenticated user and an original music key adjustment value designated to the musical piece and determines the musical piece-specific key adjustment value of the musical piece as a recommended key in the case of the first difference being smaller but determines the original music key adjustment value designated to the musical piece as a recommended key in the case of the second difference being smaller. <P>COPYRIGHT: (C)2012,JPO&INPIT |
