Patent ID: 7469093

Claim:
A recording apparatus comprising: description data generating means for generating playback description data indicating a playback procedure of a plurality of items of information data and modified information data which is obtained by performing a modification processing on the information data designated in the playback procedure indicated by the playback description data such that at least one of the plurality of items of information data and the modified information data are reproduced in an appropriate order, the modified information data having a non-modified section on which the modification processing is not performed and a modified section on which the modification processing is performed; section information generating means for generating section information discriminating the modified section from the non-modified section in the modified information data by a start time or an end time, a length of the non-modified section being changed according to the start time or end time; and recording means for recording the playback description data and the section information on a recording medium where the plurality of items of information data and the modified information data are recorded.