Method for judgment of drinking using differential frequency energy, recording medium and device for performing the method
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United States of America Patent
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Mar 6, 2018
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N/A
app pub date -
Apr 2, 2014
filing date -
Mar 28, 2014
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Abstract
An alcohol consumption determination method includes: detecting an effective frame of an input voice signal; detecting a difference signal of an original signal of the effective frame; performing fast Fourier conversion on the original signal and the difference signal; and determining, in the frequency domain, whether alcohol has been consumed based on a slope difference between the fast-Fourier-transformed original signal and the fast-Fourier-transformed difference signal. Accordingly, it is also possible to determine whether a driver or an operator from a remote location has consumed alcohol and a degree of the consumption, thus preventing an accident caused by an individual operating a vehicle under the influence.
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