1. A moving image recording apparatus comprising: a feature amount extracting unit which extracts plural types of feature amount data relating to feature amounts characterizing moving image data from the moving image data; a memory unit at which the plural types of feature amount data extracted by the feature amount extracting unit and the moving image data are recorded being mutually associated; and a duplicate content searching unit which searches duplicate contents being mutually duplicated moving image data out of a plurality of the moving image data stored in the memory unit based on the plural types of feature amount data.