Patent ID: 6823130
Filing Date: 2004-11-23
Classification: G11B,H04N

Abstract:
A reproducing apparatus, comprising:reproducing means for reproducing main data and subdata related to the main data from a recording medium, the subdata being recorded on a first area of the recording medium including the main data and a second area of the recording medium not including the main data; and determining means for detecting the subdata reproduced by said reproducing means during repeated reading operations of said reproducing means, for detecting multiplicity coincidence of the subdata for each of the first area and the second area, respectively, and for determining a value of the detected subdata (i) when subdata having the same value has been detected from the first area n times (n being a predetermined integer not less than 2), or (ii) when subdata having the same value has been detected from the second area m times (m being a predetermined integer not less than 2).