Speech signal processor

Details Speech signal processor Speech signal processor

1985-07-09

1989-03-21

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 500

Patent

active

048151351

ABSTRACT:
Speech analysis and synthesis invole analysis for sinusoidal components and pitch frequency, and synthesis by first phase-resetting to zero at pitch period all sine oscillater components, whether periodic for voiced speech, or at random period in accordance with a random code for unvoiced speech. As a result, the synthesized speech signal has the initial line spectrum spread due to pitch structure for better speech quality. Frequency modulation may also be used.

REFERENCES:
patent: 3102165 (1963-08-01), Clapper
patent: 3102928 (1963-09-01), Schroeder
patent: 3109070 (1963-10-01), David
patent: 3431362 (1969-03-01), Miller
patent: 3982070 (1976-09-01), Flanagan
patent: 3995115 (1976-11-01), Kelley

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