Linear predictive speech analysis-synthesis apparatus

Details Linear predictive speech analysis-synthesis apparatus Linear predictive speech analysis-synthesis apparatus

1989-03-28

1991-09-10

Shaw, Dale M.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 36, G10L 702, G10L 700

Patent

active

050480880

ABSTRACT:
A linear predictive speech synthesis apparatus which receives a pitch parameter and linear predictive coefficients. The synthesis apparatus includes a device for producing an exciting source signal in response to the pitch parameter, and a device for filtering the exciting source signal in response to the linear predictive coefficients to produce a synthesized speech signal. A cascade frequency characteristic between spectral envelope frequency characteristics of the producing device and the filtering device is designated such as to correspond to a spectral envelope characteristic of an input speech signal.

REFERENCES:
patent: 3624302 (1971-11-01), Atal
patent: 4220819 (1980-09-01), Atal
patent: 4301329 (1981-11-01), Taguchi
patent: 4852169 (1989-07-01), Veeneman et al.
patent: 4932061 (1990-06-01), Kroon et al.

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