| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To recommend a musical piece according to a lapsed time from the use start in the place where karaoke is used. <P>SOLUTION: A karaoke device includes: start determination means for determining the use start of karaoke; timer means for measuring a lapsed time from the use start determined by the start determination means; stage discrimination means for discriminating a stage in the karaoke use time based on the lapsed time measured by the timer means; and selection candidate presentation means for presenting a musical piece corresponding to the stage discriminated by the stage discrimination means as a selection candidate. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
