Proving alcoholic intoxication

Human perception of alcoholic intoxication in speech

In this paper we describe a perception experiment on intoxicated and sober speech of 161 speakers recorded in the German Alcohol Language Corpus. 72 listeners achieved an average discrimination rate of 63.1% when asked to choose from pairs of stimuli which one sounded intoxicated. Perception results were not gender-dependent and no hidden effects were found in a control group test. Since earlie...

Perception of Alcoholic Intoxication in Speech

The ALC sub-challenge of the Interspeech Speaker State Challenge (ISSC) aims at the automatic classification of speech signals into intoxicated and sober speech. In this context we conducted a perception experiment on data derived from the same corpus to analyze the human performance on the same task. The results show that human still outperform comparable baseline results of ISSC. Female and m...

Fundamental frequency and human perception of alcoholic intoxication in speech

The majority of speakers raise their fundamental frequency when speaking while intoxicated. In this study we describe three perception experiments based on manipulated sober and intoxicated speech from the German Alcohol Language Corpus to answer the question whether human listeners use fundamental frequency as a cue to recognize an intoxicated person. Our results show that although fundamental...

Medicolegal aspects of chemical tests of alcoholic intoxication.

Constitutionality of compulsory chemical tests to determine alcoholic intoxication.