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A Likelihood Ratio-based forensic voice comparison using formant trajectories of Thai dipthongs

Date

Authors

Pingjai, Supawan

Ishihara, Shunichi

Sidwell, Paul

Publisher

Conference Organising Committee

Abstract

This study aims to quantify and compare acoustic parameters of the three Thai diphthongs /ia, ia, ua/ forensically. The likelihood-ratio approach is applied to the parameterized formant trajectories of each instance of each diphthong. The aim of this stud

Keywords

Keywords: Acoustic parameters; Estimation approaches; Forensic voice comparisons; Formant trajectory; Likelihood ratios; Log-likelihood ratio costs; Polynomial interpolation; Strength of evidence; Trajectories

URI

http://hdl.handle.net/1885/38777

Collections

ANU Research Publications

Source

Proceedings of Meetings on Acoustics

Type

Conference paper

DOI

10.1121/1.4799433

Restricted until

2037-12-31

Downloads

File

Description

01_Pingjai_A_Likelihood_Ratio-based_2013.pdf (527.58 KB)