Speech synthesizing method and apparatus therefor

Details Speech synthesizing method and apparatus therefor Speech synthesizing method and apparatus therefor

1994-01-14

1996-02-27

Knepper, David D.

395 273, G10L 500

Patent

active

054955564

ABSTRACT:
Parameters are received that include prediction coefficients representing a speech spectral envelope characteristic, impulse positions of an excitation signal, and zero filter coefficients which provide a sequence of impulses with a shape resembling a phase-equalized residual of a speech. An impulse sequence generator produces a sequence of impulses having the impulse positions, which are fed into a zero filter. The zero filter provides, under control of the zero filter coefficients, the sequence of impulses with a shape resembling a phase-equalized residual of the speech. The output of the zero filter is fed as an excitation signal into an all-pole filter which is controlled by the prediction coefficients to produce a synthesized speech.

REFERENCES:
patent: 4374302 (1983-02-01), Vogten et al.
patent: 4742550 (1988-05-01), Fette
patent: 4850022 (1989-07-01), Honda et al.
patent: 5293448 (1994-03-01), Honda

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