| 摘要 |
An HDD recording unit records a received content in an HDD unit based on copyright protection information. If restriction information permits compression, the content recorded in the HDD unit can be read and compressed. In this case, the original content recorded in the HDD unit is not deleted even if it is a copy-once content. Outputting the compressed content in accordance with a format for a portable terminal or the like allows watching the content on the portable terminal or the like and facilitates utilization of the content.
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