An image processing apparatus includes: a storage module configured to store a plurality of pieces of comment data; an analyzing module configured to analyze an expression of a person contained in image data; a generating module configured to select a target comment data from among the comment data stored in the storage module based on the expression of the person analyzed by the analyzing module, and to generate voice data using the target comment data; and an output module configured to output reproduction data to be used for displaying the image data together with the voice data generated by the generating module.