Sharp Kabushiki Kaisha Corporation

Ryouichi Wakabayashi

Yukitaka Shimizu

Satoshi Saito

Shinjiro Kihara

Takahiro Maeda

A recording/reproducing apparatus () includes a storage section () having a content attribute database (DB) and a point database (DB). Further, a point calculating section () of the recording/reproducing apparatus () extracts attribute information sets for each content item from the content attribute database (DB). Further, deletion factor points associated with deletion factors corresponding to the extracted attribute information sets are extracted from the point database (DB) for each content item, and evaluation points are calculated in accordance with the extracted plural deletion factor points. This allows the user to appropriately reserve a space required in a recording medium.

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Tokyo, Japan

Ryouichi Wakabayashi