Speech synthesizing apparatus

Details Speech synthesizing apparatus Speech synthesizing apparatus

1976-12-13

1978-05-30

Claffy, Kathleen H.

G10L 100

Patent

active

040924955

ABSTRACT:
Speech synthesizing apparatus is provided in which different sounds are required for a plurality of channels. The channels are polled in turn on a cyclic scanning basis, the scan for each channel occupying a channel sampling period during which an instantaneous value is generated for the amplitude of a voiced sound component. Values representing instantaneous amplitudes of each of a plurality of unvoiced sounds are separately generated in turn during the period occupied by the scanning of all the channels and these values are stored. A selected one of the unvoiced sound values is extracted from the store as required for a particular channel during the sampling period for that channel, so that an updated value for the unvoiced sound is available on each occasion that that particular channel is sampled. The voiced and unvoiced sound values are then combined during the appropriate sampling periods. The required sound combinations are specified by parameters expressed in digital form for each channel separately.

REFERENCES:
patent: 3102165 (1963-08-01), Clapper
patent: 3703609 (1972-11-01), Gluth
patent: 3746791 (1973-07-01), Wolf
patent: 3828132 (1974-08-01), Flanagan
patent: 3830977 (1974-08-01), Deschaux
patent: 3908085 (1975-09-01), Gagnon

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