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Sensitivity of likelihood-ratio based forensic voice comparison under mismatched conditions of within-speaker sample sizes across databases

Ishihara, Shunichi


This study is an investigation into the effect of within-speaker sample size (token number) on a likelihood-ratio (LR) based forensic voice comparison (FVC) system. In particular, this study looks into how and to what extent the degree of mismatch in token number between the test/development databases and the background database would affect the performance of the FVC system, using spectral feature vectors extracted from spontaneous Japanese speech. For this purpose, the Monte Carlo simulation...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Australian Journal of Forensic Sciences
DOI: 10.1080/00450618.2016.1259351


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