Patent ID: 7668059

Claim:
A computer-implemented method of testing a medium to determine whether it was non-commercially created for medium content identification, comprising: reading drive information from a drive to determine if the drive comprises a recordable or a non-recordable drive based upon said drive information; if the drive comprises a recordable drive: determining, based upon information read from the medium by the recordable drive, whether the medium comprises a closed medium that has been closed by a user after writing content to the medium; if the medium does not comprise a closed medium, identifying the medium as a non-commercial medium; if the medium comprises a closed medium, determining whether the medium comprises a writable medium; if the medium cannot be determined as a writable medium, identifying the medium as an intermediate medium being either non-commercial or commercial; and if the medium comprises a writable medium, identifying the medium as a non-commercial medium; if the drive comprise a non-recordable drive: performing a test to determine if the medium comprises a re-writable medium; if the medium comprises a re-writable medium, identifying the medium as a non-commercial medium; if the medium does not comprises a re-writable medium, identifying the medium as said intermediate medium; and if the medium is determined to be either a non-commercially created medium or an intermediate medium, then carrying out a medium content identification process that depends upon whether the medium is identified as non-commercially created medium or an intermediate medium respectively.