Speech translation apparatus, method and computer readable medium for receiving a spoken language and translating to an equivalent target language

Abstract

Speech translation apparatus includes first generation unit generating first text representing speech recognition result, and first prosody information, second generation unit generating first para-language information, first association unit associating each first portion of first text with corresponding first portion of first para-language information, translation unit translating first text into second texts, second association unit associating each second portion of first para-language information with corresponding second portion of each second text, third generation unit generating second prosody-information items, fourth generation unit generating second para-language-information items, computation unit computing degree-of-similarity between each first para-language information and corresponding one of second para-language-information items to obtain degrees of similarity, selection unit selecting, from second prosody-information items, maximum-degree-of-similarity prosody information corresponding to maximum degree, fifth generation unit generating prosody pattern of one of second texts which corresponds to maximum-degree-of-similarity prosody information, and output unit outputting one of second texts which corresponds to maximum-degree-of-similarity prosody information.