Method for speech synthesis and system thereof

A method for speech synthesis is to first perform text analysis on a Chinese-foreign language mixed sentence to generate linguistic information, and the linguistic information includes Chinese part-of-speech and the foreign language part-of-speech decided by the Chinese syntactic structure in the sentence, and perform tone prediction process to generate tone information about the foreign language, and then perform breakpoint prediction via the linguistic information to generate breakpoint information of the Chinese-foreign language mixed sentence. Finally, the linguistic information, the tone information and the breakpoint information are integrated to generate a synthesized speech of the Chinese and foreign mixed sentence. Further, a system for speech synthesis is disclosed.