Patent ID: 6977787

Claim:
A read processing method of a storage medium for reading out data in a plurality of blocks of the storage medium, comprising the steps of: reading out data stored in the storage medium; determining whether a readout error occurs during said readout; generating a predetermined data pattern so that an application for reproducing said readout data can identify said readout error and perform reproduction processing against said readout error, said predetermined data being used for judging what kind of said reproduction processing is performed; and outputting said predetermined data pattern in place of a block data of interest when said readout error occurs in a plurality of readout blocks, wherein said determination step of error occurrence comprises the steps of: determining whether said data readout is successfully completed; checking whether there is an error in said readout data; error correcting said readout data when there is said error in said checking; and identifying said readout error when said error correcting is not possible.