Karaoke system

摘要

To improve the quality of a "karaoke" system by displaying a video image of a singer on the monitor of the system, an cage picked up by a video camera is superimposed on a background image displayed on the monitor of the "karaoke" system, this superimposed image is enlarged or reduced, and a pattern of lyrics 20 can be seen through the superimposed image so that a singer can see it.