| 摘要 |
PURPOSE:To facilitate the control of a video disk reproducer using a computer, by obtaining a sequence control program from a video disk. CONSTITUTION:The same main programs are recorded dispersedly and with each plural units on a video disk in the directions of the track and the radius. Each of the main program and subprogram which are recorded at a sector consists of a program main body 50 and the additional code signals provided before and after the main body 50. While a retrieving code signal added to a picture and a voice signal comprises a sycnhronizing signal 61, a code 62 which is used to ensure the discrimination among a sequence control program, the picture and the voice signal respectively, and a reading error detecting reference code 64 for the codes 63 and 61-63 which are provided on the track of a video disk to show the sequence. The retrieving code signal is put into the vertical flyback time of the video signal. |
