Morrison, Geoffrey Stewart and Kinoshita, Yuko (2008). Automatic-type calibration of traditionally derived likelihood ratios:Forensic analysis of Australian English /o/ formant trajectories. IN: Proceedings of the Annual Conference of the International Speech Communication Association. Proceedings of Interspeech . AUS: UNSPECIFIED.
Abstract
A traditional-style phonetic-acoustic forensic-speaker-recognition analysis was conducted on Australian English /o/ recordings. Different parametric curves were fitted to the formant trajectories of the vowel tokens, and cross-validated likelihood ratios were calculated using a single-stage generative multivariate kernel density formula. The outputs of different systems were compared using C llr, a metric developed for automatic speaker recognition, and the cross-validated likelihood ratios were calibrated using a procedure developed for automatic speaker recognition. Calibration ameliorated some likelihood-ratio results which had offered strong support for a contrary-to-fact hypothesis.
Divisions: | College of Business and Social Sciences > Aston Institute for Forensic Linguistics College of Business and Social Sciences > School of Social Sciences & Humanities |
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Additional Information: | Copyright © 2008 ISCA |
Event Title: | 9th Annual Conference of the International Speech Communication Association |
Event Type: | Other |
Event Dates: | 2008-09-22 - 2008-09-26 |
Uncontrolled Keywords: | Calibration,Forensic speaker recognition,Formant trajectories,Human-Computer Interaction,Signal Processing,Software,Sensory Systems |
Last Modified: | 30 Sep 2024 09:23 |
Date Deposited: | 14 Nov 2018 14:12 |
Full Text Link: | |
Related URLs: |
http://www.scop ... tnerID=8YFLogxK
(Scopus URL) https://www.isc ... 8/i08_1501.html (Publisher URL) |
PURE Output Type: | Conference contribution |
Published Date: | 2008 |
Authors: |
Morrison, Geoffrey Stewart
(
0000-0001-8608-8207)
Kinoshita, Yuko |