Play or peripheral equipment controlling method for learning dance, involves storing service signals on video medium, and connecting control signal delivering electronic circuit on DVD player output, and mixing signals with video signal

摘要

The method involves storing service signals on a video medium, and connecting an electronic circuit delivering a control signal to a peripheral equipment, on a video output of a DVD player (2) by separation of the service signals during playback of the video medium. The service signals are constituted by a header sequence preceding a video sequence. The service signals are mixed with the video signal. The service signals are detected in a video flow. Independent claims are also included for the following: (A) an interface to control a peripheral equipment (B) a DVD disk to implement a dance play or peripheral equipment controlling method.