Method of automatic processing of a speech signal

Details Method of automatic processing of a speech signal Method of automatic processing of a speech signal

2003-08-12

2008-11-25

Vo, Huyen X. (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S258000, C704S260000

Reexamination Certificate

active

07457748

ABSTRACT:
Method of automatically processing a speech signal which comprises the steps of:determining a sequence of probability models corresponding to a given text;determining a sequence of acoustic strings corresponding to the diction of the given text;aligning between the sequence of acoustic strings and the sequence of models; anddetermining a confidence index of acoustic alignment for each association between a model and an acoustic segment.Each determining step of an alignment confidence index is carried out at least from a combination of the model probability, a priori model probabilities and the average duration of occupancy of the models.

REFERENCES:
patent: 6366883 (2002-04-01), Campbell et al.
patent: 7206741 (2007-04-01), Deng et al.
M. Giustiniani et al., “Phonetic Ergodic HMM for Speech Synthesis,” Enstitute of Electrical Engineers, Stevenage, GB, 1991, (pp. 349-352), Abstract.

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