Forensic voice comparison and the paradigm shift

Geoffrey Stewart Morrison*

*Corresponding author for this work

Research output: Contribution to journalLetter, comment/opinion or interviewpeer-review


We are in the midst of a paradigm shift in the forensic comparison sciences. The new paradigm can be characterised as quantitative data-based implementation of the likelihood-ratio framework with quantitative evaluation of the reliability of results. The new paradigm was widely adopted for DNA profile comparison in the 1990s, and is gradually spreading to other branches of forensic science, including forensic voice comparison. The present paper first describes the new paradigm, then describes the history of its adoption for forensic voice comparison over approximately the last decade. The paradigm shift is incomplete and those working in the new paradigm still represent a minority within the forensic-voice-comparison community.

Original languageEnglish
Pages (from-to)298-308
Number of pages11
JournalScience and Justice
Issue number4
Publication statusPublished - Dec 2009


  • Forensic speaker identification
  • Forensic speaker recognition
  • Forensic voice comparison
  • Likelihood ratio
  • Paradigm shift
  • Reliability


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