A New Judgment of Intoxication Based on Changes in Low Frequency Characteristics of Speech Signal
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چکیده
This research examines parameters of drinking judgment by comparing sound characteristics before and after drinking using voice analysis. Until now, characteristics of drinkers are studied from perspectives of pitch, formant, and changes in size of sound, however, as these factors are very sensitive to environmental changes to be used as a measurer for judging drinking, it is important to find more accurate parameters. Especially, changes in high frequency and low frequency have to be separated to identify sound characteristics and thus, if environment changes this many lead to calculation of inaccurate parameters. Therefore, this research studies about characteristics before and after drinking by using addition signal, which enables application to various environment along with more accurate analysis. Keyword-Judgement of intoxication, High frequency signal, Formant, Pitch
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تاریخ انتشار 2016