| http://www.w3.org/ns/prov#value | - cal data recorded on a disc such as a CD provided for musical use to a hard disc typically by using a personal computer and then carry out a recording operation to copy the data to media such as a CD-R with ease and in a short period of time. [0009] In particular, the fact that recording and reproduction operations carried out on an optical disc at a high speed allow copy operations to be carried
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