Patent ID: 6834083
Filing Date: 2004-12-21
Classification: G11B,H04N

Abstract:
In a data transmission method of transmitting a transmission packet in which an interval of each line of a video frame comprises an end synchronizing code area into which an end synchronizing code is inserted, an ancillary data area into which ancillary data is inserted, a start synchronizing code area into which a start synchronizing code is inserted and a payload area into which main data comprising video data and/or audio data is inserted, said data transmission method comprising the steps of:a first step of inserting first data containing extension data having stream information indicating whether or not a picture unit belongs to a pre-roll interval located ahead of an editing interval, whether or not a picture unit belongs to an editing interval and whether or not a picture unit belongs to a post-roll interval located behind an editing interval and second data containing said main data into said payload area at said picture unit of video data; and a second step of transmitting said transmission packet in which said first data and said second data were inserted into said payload area at said first step in the form of serial data.