Pingjai, SupawanIshihara, ShunichiSidwell, Paul2015-12-10June 2-7 2http://hdl.handle.net/1885/38777This 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 studKeywords: Acoustic parameters; Estimation approaches; Forensic voice comparisons; Formant trajectory; Likelihood ratios; Log-likelihood ratio costs; Polynomial interpolation; Strength of evidence; TrajectoriesA Likelihood Ratio-based forensic voice comparison using formant trajectories of Thai dipthongs201310.1121/1.47994332016-02-24