Assessing perceived voice similarity using multidimensional scaling for the construction of voice parades

Kirsty McDougall

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    In recent years forensic phoneticians, in consultation with psychologists and law enforcement officers, have put considerable effort into devising and refining procedures for preparing and conducting fair voice parades. In England and Wales, a procedure for conducting a voice parade is outlined in a 2003 Home Office circular; this has been successfully implemented in a number of cases. These guidelines explain that a phonetician should examine the foil voice samples to ensure that the voices provide a fair comparison against the suspect, however, a formalised method for making this comparison is not offered. The present paper presents a method for assessing the degree of perceived (lay-listener judged) similarity among a group of voices for potential inclusion in a voice parade using Multidimensional Scaling.
    Original languageEnglish
    Pages (from-to)163-172
    Number of pages10
    JournalInternational Journal of Speech, Language and the Law
    Volume20
    Issue number2
    DOIs
    Publication statusPublished - 2013

    Keywords

    • earwitness evidence
    • foil selection
    • voice line-ups
    • voice paredes
    • voice similarity

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