Patent ID: 6151078
Filing Date: 2000-11-21
Classification: H04N

Abstract:
A method of transmitting video data in which plural pieces of video data of plural broadcast programs are divided into packets, and the plural packets of the video data and packets including information about the broadcast programs are multiplexed and transmitted,wherein the packet including information about the broadcast programs is a program map table which shows through which packet a broadcast program is transmitted, and further wherein both video data whose reproduction mode is a non-interlace scanning mode and video data whose reproduction mode is an interlaced scanning mode are transmitted as the pieces of video data of plural broadcast programs, and information for judging whether video data of a broadcast program is of a non-interlaced scanning type or of an interlaced scanning type being described in a packet including information about the broadcast programs is described in a system management identifier which is one of a plurality of system management descriptors as the descriptors about program information in the program map table and is transmitted in a respective scanning mode, whereby conversion between non-interlace and interlaced scanning modes is avoided.