Post processing timing of rhythm in synthetic speech
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United States of America Patent
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Feb 22, 2000
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N/A
app pub date -
Jun 28, 1996
filing date -
Jun 28, 1996
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Abstract
A method for generating synthetic speech uses detection of natural timing boundaries in words to be spoken by the synthetic speech system, to produce natural timing intervals. Phonemes are identified in the natural timing intervals. Time durations are assigned for each of the phonemes. A time duration of a selected phoneme is changed to achieve a desired time duration for a selected natural timing interval containing the phoneme. The natural timing interval may be selected to be a syllable. The natural timing interval may be selected to be the interval between two stressed phonemes. The natural timing intervals may be set to substantially the same duration between timing boundaries by changing the phoneme durations in accordance with rhythm of the language of synthesized speech. Durations of preselected phonemes, however, may remain unchanged.
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