US 5,494,443 A · Karaoke system and method of managing playing time of karaoke songs

Abstract

A karaoke system includes: reproduction unit for reproducing a MIDI sound source control information for karaoke song from a karaoke data recording medium, the MIDI sound source control information including playing time data of the karaoke songs; operation unit for inputting request of at least one desired karaoke song and karaoke playing time; calculation unit for obtaining playing time data of the requested karaoke songs and for calculating total playing time required for playing all of the requested karaoke songs; determination unit for comparing the total playing time with remaining playing time calculated on the basis of the karaoke playing time and for determining whether all of the requested songs can be played within the remaining playing time or not; and display unit for displaying a notice related to the result of the determination of the determination unit.

Claims9

Dependent claims

A karaoke system comprising:

reproduction unit for reproducing a MIDI sound source control information for karaoke song from a karaoke data recording medium, the MIDI sound source control information including playing time data of the karaoke songs;
operation unit for inputting request of at least one desired karaoke song and karaoke playing time;
calculation unit for obtaining playing time data of the requested karaoke songs and for calculating total playing time required for playing all of the requested karaoke songs;
determination unit for comparing the total playing time with remaining playing time calculated on the basis of the karaoke playing time and for determining whether all of the requested songs can be played within the remaining playing time or not;
and
display unit for displaying a notice related to the result of the determination of the determination unit.

3 more elements

A method of managing playing time of karaoke songs comprising the steps of:

(a) inputting karaoke playing time in which karaoke system is played;
(b) inputting at least one request of desired karaoke song;
(c) calculating remaining playing time from present time and the karaoke playing time;
(d) reproducing playing time data for the requested karaoke songs from a karaoke data recording medium, the playing data including standard playing data and short playing data;
(e) calculating total playing time of the requested karaoke songs on the basis of the standard playing data of the requested karaoke songs;
(f) comparing the remaining playing time with the total playing time to determine whether all of the requested karaoke songs can be played within the remaining playing time or not;
(g) if the remaining playing time is shorter than the total playing time, then calculating the total playing time in such a manner that playing time of one of the requested karaoke songs is calculated on the basis of the short playing time data and playing time of other requested karaoke songs is calculated on the basis of the standard playing time data;
(h) comparing the remaining playing time with the total playing time newly calculated to determine whether all of the requested karaoke songs can be played within the remaining playing time or not;
(i) if the remaining playing time is shorter than the total playing time newly calculated, then increasing number of karaoke songs for which playing time is calculated on the basis of the short playing time data by one;
(j) repeating the steps (h) through (i) until the remaining playing time becomes larger than the total playing time newly calculated;
and
(k) displaying a notice related to the result of the determination to notify it to the user.

9 more elements

Dependencies are inferred from the claim text.

Karaoke system and method of managing playing time of karaoke songs

Life of this patent

Karaoke system and method of managing playing time of karaoke songs

Life of this patent

Abstract

Claims9