System of encoded speech transmission and reception

Details System of encoded speech transmission and reception System of encoded speech transmission and reception

1972-08-02

1979-12-18

Birmiel, Howard A.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

179 15AP, 179 15BY, 324 77R, 364827, H04K 100

Patent

active

041795865

ABSTRACT:
A system for the secure transmission and reception of information which uizes pseudo values of phase and amplitude of speech signals, which are related to the original values by specific algorithms. These pseudo values of phase and amplitude are encrypted separately and then transmitted. A similar system is used to process the received signals to obtain the original information.

REFERENCES:
patent: 3204034 (1965-08-01), Ballard et al.
patent: 3435147 (1969-03-01), Malm
patent: 3488445 (1970-01-01), Chang
patent: 3507980 (1970-08-01), Rugaber et al.
patent: 3688193 (1972-08-01), McDonald
patent: 3707680 (1972-12-01), Gabbard et al.

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