An International Investigation of Forensic Speaker Comparison Practices

The results of the first international survey on forensic speaker comparison practices are presented in this paper. Thirty-four experts from 13 countries and 5 continents responded to a series of questions concerning their practices in casework and which features they found to be useful speaker discriminants. Despite the responses revealing some prominent trends, there is wide variation in methodology, importance assigned to particular speech features, and choice of framework for expressing conclusions.