| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a digital television(TV) data transporting syntax for storing user information at a vertical blanking interval(VBI) by preparing a process or the like for adding a count value indicating the quantity of user information to a user data syntax. SOLUTION: Ray digital video data inputted from a terminal 10 to a serial receiver 12 are converted into continued data by a parallel format. These data are buffered in a butter 14. A video passer 16 judges the syntax of continuous data and removes information for identifying raw luminance and color luminance instensity data. The luminance and color luminance intensity data are inputted to a demultiplexer 18 and divided into a data part corresponding to the VBI of continuous video frames and the active video part of these frames. The demultiplexer 18 determines also whether entered data stream synchronization is lost or not, and when it is lost, outputs a synchronization loss signal to a video compressing processor 22 for receiving also active video data to be compressed.</p> |
