To provide a multimedia electronic album making device capable of making an electronic album in an easy-to-distribute format not burdening the making side significantly, and to provide its controlling method and a storage medium.

A data processing section 116 holds a scene description template describing the spatial arrangement and temporal arrangement of an object constituting a scene, generates scene description data by receiving one object, i.e. image data, at an AV data input section 103 and setting the positional information of the image data in the place holder of the scene description template, and then multiplexes scene description data and the image data.