Automatic audiological analyzer

Details Automatic audiological analyzer Automatic audiological analyzer

1981-01-30

1982-08-24

Robinson, Thomas A.

179107R, H04R 2900

Patent

active

043462685

ABSTRACT:
An acoustical analyzer system analyzes the operating characteristics of an acoustical device by operator selection of frequencies and amplitudes of test tone signals, automatically generating test tone signals representative of the selected frequencies and amplitudes and driving the acoustical device thereby to produce output signals from the device, sampling the output signals, generating sampled signals representative of the output signals, applying Fast Fourier Transform analysis to the sampled signals to generate readout signals therefrom and operating readout means via the readout signals to display the operating characteristics of the device.

REFERENCES:
patent: 3922506 (1975-11-01), Frye
patent: 4065647 (1977-12-01), Frye et al.
patent: 4161029 (1979-07-01), Frye et al.
patent: 4191864 (1980-03-01), Sopher
patent: 4209672 (1980-06-01), Nitta et al.

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