Speech-to-speech translation method and device

The invention discloses a speech-to-speech translation method. The speech-to-speech translation method comprises the steps that the corresponding relation of the content between different languages is stored in a translation reference database, and a speech-to-speech translation device obtains a source speech of a first user; the speech-to-speech translation device carries out matching on the translation reference database according to the source speech, and obtains an objective speech according to the matching result; the speech-to-speech translation device provides the objective speech for a second user. The invention further and correspondingly discloses the speech-to-speech translation device. According to the speech-to-speech translation method and device, when speech translation or text translation is carried out, matching is carried out on the translation reference database firstly, and when the objective speech corresponding to the source speech, or an objective text corresponding to a source text is stored in the translation reference database, the speech translation time can be shortened, the frequency of conversation delay can be reduced, and user experience can be improved.