Abstract
This paper presents the results of analysis of perceptual auditory features enabling identification of drug intoxication states. The aim of the present investigation was to expand a set of personal characteristics of speech associated with the influence of drugs regarding Russian native female speakers. This paper presents preliminary results of the first stage of the investigation, the aim of which was perceptual auditory assessment of rambling speech (speech incoherency) by a set of parameters with regard to drug-intoxicated female speakers (opioid addicts) that can be regarded as distinctive features to be used for identification of drug-intoxicated speakers solely by their speech characteristics. At the present stage of the research, the perceptual auditory analysis method was used to single out the features relevant to drug intoxication identification. Further research is underway to establish automatically detectable acoustic correlates of these features.
Highlights
The subjective and objective events of speech behavior is of great interest for several professional groups
The aim of the present study is to add to the knowledge of several personal characteristics of speech under the influence of drugs regarding Russian native female speakers
In this research we investigated phonograms of speech produced in a state of drug intoxication and during drug-abuse treatment and show some perceptual features by which one can recognize whether the speaker is drug-intoxicated
Summary
The subjective (additive) and objective (acoustic) events of speech behavior is of great interest for several professional groups. In the science of forensic phonetics the investigations in the field of acoustic and auditory features regarding voice and spoken language of subjects under the intoxication of drugs are very important. The aim of the present study is to add to the knowledge of several personal characteristics of speech under the influence of drugs regarding Russian native female speakers. The term "personal characteristics of speech" [1] expresses the well-known fact that various speakers can be distinguished and recognized by their voices and speech. Our investigation is directed towards the problem of definition of those speech qualities, which are substantially a result of the psychic or psychosomatic conditions of a Russian female individual, of her emotional expression and of some somatic, neurological alteration in the region of her speech organs
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