Patent ID: 6980731
Filing Date: 2005-12-27
Classification: G11B,H04N

Abstract:
1. A data transmission method for transmitting a serial digital transfer interface 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: a first step of inserting into said payload area first data containing extension data having editing point information at the picture unit of said video data and second data containing said main data; and a second step of transmitting said transmission packet in which said first data and said second data have been inserted into said payload area at the first step in the form of serial data, wherein said editing point information uses said picture unit having said editing point information as an object picture unit and indicates whether or not said object picture unit is unrelated to an editing point, whether or not said editing point is located ahead of said object picture unit, whether or not said editing point is located behind said object picture unit and whether or not said editing point is located ahead of and behind said object picture unit.