Electronic sensing and measuring apparatus for signals in audio

Details Electronic sensing and measuring apparatus for signals in audio Electronic sensing and measuring apparatus for signals in audio

1976-10-21

1979-03-13

Tokar, M.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

84 117, G01R 2302

Patent

active

041444906

ABSTRACT:
Electronic sensing and measuring equipment for accurately measuring the pitch of musical sounds and which includes an audio tuner responsive to the fundamental frequency of a continuing signal while rejecting all other harmonically related components of said signal to produce a digital signal representing the fundamental pitch of said musical sound, and a counter for counting and totalizing said digital signal defining the same in terms of its frequency and for visually displaying said defined signal.

REFERENCES:
patent: 3731196 (1973-05-01), Young
patent: 3922943 (1975-12-01), Niiomi

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