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Likelihood Ratio-based Forensic Voice Comparison on L2 speakers: A Case of Hong Kong native male production of English vowels

Frost, Daniel; Ishihara, Shunichi


The performances of two different procedures for calculating the likelihood ratio (LR) for forensic text comparison (FTC) are empirically compared. One is the multivariate kernel density (MVKD) procedure with so-called lexical features. The MVKD procedure has been successfully applied to various types of evidence, including texts. The other is the procedure based on character N-grams. N-gram is a widely-used, robust probabilistic language model. The effectiveness of character N-grams has...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Conference paper
Source: Australasian Language Technology Association Workshop 2015 Proceedings of the Workshop
Access Rights: Open Access


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