Forensic voice comparison with monophthongal formant trajectories - A likelihood ratio-based discrimination of 'schwa' vowel acoustics in a close social group of young Australian females
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Description
An experiment is described relating to estimation of strength of evidence in likelihood ratio-based forensic voice comparison. It is asked whether a better performance is obtained from point estimation of formant pattern targets in monophthongal vowel acoustics rather than formant trajectories. The hypothesis is tested on non-contemporaneous recordings of a custom-built challenging database of 26 young Australian female voices performing a map task. Evaluation with the log likelihood ratio cost...[Show more]
Collections | ANU Research Publications |
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Date published: | 2015 |
Type: | Conference paper |
URI: | http://hdl.handle.net/1885/103394 |
Source: | ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings |
DOI: | 10.1109/ICASSP.2015.7178886 |
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01_Rose_Forensic_voice_comparison_with_2015.pdf | 644.46 kB | Adobe PDF | Request a copy |
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