Using stress to disambiguate spoken Thai sentences containing syntactic ambiguity
نویسندگان
چکیده
We have developed a Bayesian classi er to determine whether syllables in connected Thai speech are weakly or strongly stressed by using ve acoustic parameters: syllable rhyme duration, mean F0, F0 standard deviation, mean energy, and the standard deviation of the energy. With speaker-dependent data normalization, we achieved a classi cation accuracy of 99%. The classi cation accuracy drops to 96% when we used speaker-independent normalization. We have also developed prosodic constraints that can use this stress information to syntactically disambiguate a class of ambiguous sentences that arise from the use of compounding in spoken Thai.
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