Speech analysis-synthesis apparatus and method

Details Speech analysis-synthesis apparatus and method Speech analysis-synthesis apparatus and method

1985-12-05

1988-10-04

Wong, Peter S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 47, 381 49, 3645135, G10L 100

Patent

active

047760150

ABSTRACT:
Herein disclosed is a speech analysis-synthesis apparatus which resorts to a multi-pulse exciting method using a plurality of modeled pulses as a synthetic sound source if input speech is analyzed so that speech may be synthesized on the basis of the analyzed result. A factor for effecting perpetual weighting in a manner to correspond to the sound source pulse number is made variable, and the error between the input speech and the synthesized speech is perceptually weighted so that the amplitude and location of the train of the sound source pulses are so determined as to minimize said error.

REFERENCES:
patent: 4081605 (1978-03-01), Kitawaki et al.
patent: 4282405 (1981-08-01), Taguchi
patent: 4282406 (1981-08-01), Yato et al.
patent: 4672670 (1987-06-01), Wang et al.

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