Device for visually displaying the auditory content of the human

Details Device for visually displaying the auditory content of the human Device for visually displaying the auditory content of the human

1976-11-12

1977-12-13

Claffy, Kathleen H.

G10L 112

Patent

active

040630358

ABSTRACT:
A voiced-sound frequency analysis and display system displays two forms of spectral information about the signal: (1) the first and second formants as a point on an X-Y grid of a cathode ray tube, and (2) the full spectrum as a bar graph on an oscilloscope. Two sets of filters with associated circuitry perform the analysis. A scanning (peak hunting) second-formant selector circuit is also disclosed.

REFERENCES:
patent: 2137888 (1938-11-01), Fuller
patent: 2602836 (1952-07-01), Foster
patent: 3611411 (1971-10-01), Moshier

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