A karaoke online system is composed of a karaoke station and a karaoke terminal telecommunicable with the karaoke station. The karaoke station has a database for storing a plurality of performance data files corresponding to a plurality of karaoke songs, each performance data file containing a sequence...http://www.google.com.tw/patents/US5663515?utm_source=gb-gplus-share專利 US5663515 - Online system for direct driving of remote karaoke terminal by host station
