| 摘要 |
An information processing apparatus comprises an encoder (10, 11, 12, 29) for encoding predetermined information into first video information ST 1 based on a first format; an insertion section (10, 11, 12, 29) for inserting conversion information VOBU_2NDREF_EA, VOBU_3RDREF_EA, VOBU_A_SYNCA into the first video information, the conversion information being used to encode the first video information into second video information ST 2 based on a second format, the conversion information being free from influencing reproduction of the first video information based on the first format; and a recording section (10, 11, 12, 60, 64) for recording the first video information containing the conversion information on an information recording medium D.
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