1. A voice selection supporting device comprising: an acceptance unit that accepts input of a text; an analysis knowledge storage unit that stores therein text analysis knowledge to be used for characteristic analysis for the input text; an analysis unit that analyzes a characteristic of the text by referring to the text analysis knowledge; a voice attribute storage unit that stores therein a voice attribute of each voice dictionary; an evaluation unit that evaluates similarity between the voice attribute of the voice dictionary and the characteristic of the text; and a candidate presentation unit that presents, based on the similarity, a candidate for the voice dictionary suitable for the text.