Patent ID: 7496282

Claim:
A computer readable medium having computer-executable instructions stored thereon for performing the following steps: determining a missing or erroneous I frame in an original data stream read from a recording medium with error detection means; starting a search for a copy or a similar I frame provided in addition to an original I frame on said recording medium from said recording medium with a navigation manager to which a file system manager and a request control unit are connected bidirectionally and with a pick-up manager requesting said copy or the similar I frame from said recording medium; and performing a reconstruction of missing or erroneous data sequences by replacing said missing or erroneous I frames in said original data stream in a track buffer connected to said pick-up manager or in said video decoder by said copy or the similar I frame by means of said file system manager or by means of a sector analysis device for reconstruction of missing or erroneous data sequences of the video data stream to provide the decoded signal.