1. A speech output device comprising: a data acquisition unit that acquires print data; a base language conversion unit that analyzes and converts to base language data at least part of the data acquired by the data acquisition unit; a language conversion unit that converts the base language data to one or more preset languages; a speech synthesis unit that generates one or more units of synthesized speech data corresponding to the base language data converted by the language conversion unit; and a speech output unit that outputs to an external output device the one or more units of synthesized speech data generated by the speech synthesis unit.