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A data processing method for generating an error-correcting product code block, a data processing method for recording the data into a recording medium, and a data processing method for the data processing apparatus and a data processing apparatus using the data processing apparatus. 0002 MEDIUM, AND DATA PROCESSING DEVICE FOR DATA)
A data processing method for generating an error-correcting product code block, a data processing method for recording the data into a recording medium, and a data processing method for the data processing apparatus and a data processing apparatus using the data processing apparatus. 0002 MEDIUM, AND DATA PROCESSING DEVICE FOR DATA)
The size of the entire Chellead Solomon error correcting product code block which is suitable for the advancement of the semiconductor and the recording and transferring technology and the redundancy ratio is kept constant is increased to improve the error correction capability. Instead of constructing a Reed-Solomon error-correcting product code block of (M + PO) x (N + PI) bytes for information data of (M x N) bytes as in the prior art, (A, B, C) constituting the Reed-Solomon error correcting product code block of (K (M + 1) (N + P)) bytes, The size of the entire product code block is made variable so that the error correction capability can be changed substantially in proportion to K without increasing the redundancy ratio.
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