| 摘要 |
<P>PROBLEM TO BE SOLVED: To leave as it is or initialize a queue flexibly according to a use style of a karaoke system with a queue backup function that can play a musical piece, reserved for playing in a queue of playing processing when the power source is turned off, when the power source is turned on again. <P>SOLUTION: The karaoke system with the queue backup function manages the queue of musical piece identifiers reserved for playing on a nonvolatile memory, judges whether the power-off continuance period so far exceeds a previously set reference time when the power source is turned on, and initializes the contents of the queue when so. <P>COPYRIGHT: (C)2004,JPO |
