Artificial larynx with semi-automatic inflection control

Details Artificial larynx with semi-automatic inflection control Artificial larynx with semi-automatic inflection control

1976-11-17

1977-08-02

Claffy, Kathleen H.

A61F 120

Patent

active

040397564

ABSTRACT:
An artificial larynx helps people speak with less monotonous voice by providing an automatic pitch changer for voice inflection. The predetermined basic vocal pitch frequency circuit is modulated by a frequency control signal whose value changes at a predetermined rate established by an RC circuit, and includes switches manually-operable to select upward or downward pitch change inflections.

REFERENCES:
patent: 3291912 (1966-12-01), Flanagan
patent: 3766318 (1973-10-01), Webb

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