Patent · US Expired

Karaoke system and method of managing playing time of karaoke songs

US5494443A · kind A · utility

22Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 5, 1994
Grant dateFeb 27, 1996
Priority date
Expiry dateAug 5, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2220/2587
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.