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Publication
SLT 2006
Conference paper
Integrating text and phonetic information for robust statistical speech translation
Abstract
This paper focuses on the use of both text and phonetic information in a speech translation system in order to make translation results more robust to speech recognition errors. Conventional statistical speech translation formulas are extended to exploit both text-form and phonetic speech recognition results. A novel data-driven word/text tying algorithm is then proposed to group words based on both pronunciation similarity and meaning equivalency. In our speech-to-text translation experiments, significant improvement was achieved by using phonetic information and the proposed word tying algorithm. ©2006 IEEE.