Patent ID: 7136576

Claim:
A data recording method comprising the steps of: packing input data including at least video data into a plurality of packs in real time; storing the plurality of packs within a video object unit as a row of packs to be reproduced within a prescribed period of time; arraying one or more video object units to constitute a data cell; arraying one or more data cells to constitute a video object; disposing a search information pack having prescribed search information at a foremost position of the row of packs in the video object unit, the search information including at least a data reproduction termination time and data cell identification number within the video object; setting the data cell identification number of the video object unit to be stored within the search information pack in real time according to a unit recording-time length of one data cell that is designated beforehand and actual recording time length; and recording a video object set consisting of one or more video objects into a recording medium DVD-R, wherein all the steps are performed in conformity with predetermined video specifications having a data recording region from a lead-in region to a lead-out region, which provides for storage of the plurality of packs within a unit as a row of packs to be reproduced within a prescribed period of time, one or more units constituting a data cell and one or more data cells arrayed to constitute said video object, and wherein the predetermined video specifications define a video title set (VTS) constructed of a bit rate and a factor representing a number of video frames, and defining the number of video objects constituting the VTS as a predetermined maximum.