A computational grammar of discourse-neutral prosodic phrasing in English
Computational Linguistics
The use of relative duration in syntactic disambiguation
HLT '90 Proceedings of the workshop on Speech and Natural Language
The Parsody system: automatic prediction of prosodic boundaries for text-to-speech
COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 2
Probabilistic parse scoring based on prosodic phrasing
HLT '91 Proceedings of the workshop on Speech and Natural Language
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Experiments have shown that prosody is used by human listeners to disambiguate spoken language and, in particular, that the relative size and location of prosodic phrase boundaries provides a cue for resolving syntactic ambiguity. Therefore, automatically detected prosodic phrase boundaries can provide information useful in speech understanding for choosing among several candidate parses. Here, we propose a scoring algorithm to rank candidate parses based on an analysis-by-synthesis method which compares the observed prosodic phrase structure with the predicted structure for each candidate parse. In experiments with a small corpus of ambiguous sentences spoken by FM radio announcers, we have achieved disambiguation performance close to the performance of human subjects in perceptual experiments.