Patent ID: 7339873

Claim:
A data recording/reproducing apparatus for use with a disc recording medium having a plurality of any one of concentric and spiral tracks formed thereon, each of the tracks being divided into a plurality of sectors, the data recording/reproducing apparatus comprising: seeking means for seeking a target track; data accessing means for accessing data on the target track reached by the seek; and error correcting means for correcting error in the data based on an error correction code generated by the error correcting means for error correction purposes; wherein the error correcting means establishes a first error correction code increment per predetermined data quantity, establishes a second error correction code increment for a plurality of first error correction code increments depending on information about status on the disc recording medium, and forms error correction blocks each constituted by a plurality of the first error correction code increments and by the second error correction code increment added to the first error correction code increments.