Post processing timing of rhythm in synthetic speech

Details Post processing timing of rhythm in synthetic speech Post processing timing of rhythm in synthetic speech

1996-06-28

2000-02-22

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Synthesis

704267, G10L 504

Patent

active

060291311

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.

REFERENCES:
patent: 4799261 (1989-01-01), Lin et al.
patent: 4979216 (1990-12-01), Malsheen et al.
patent: 5384893 (1995-01-01), Hutchins
patent: 5715368 (1998-02-01), Saito et al.

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