Accepted, in press, forthcoming…
Foulkes, P., Hughes, V., Peters, K. and Rouse, J. (in prep) The discriminative capacity of English segments in Forensic Speaker Comparison.
Hughes, V., Llamas, C. and Kettig, T. (in prep) Regional accent effects on human and machine speaker recognition performance.
Williams, S., Foulkes, P. and Hughes, V. (in prep) Analysis of forced aligner performance on non-native (L2) English speech.
Hughes, V. and Kinoshita, Y. (in press) Likelihood ratio (LR) analysis, reference populations, and the presentation of conclusions. To appear in Nolan, F., Hudson, T. and McDougall, K. (eds.) Oxford Handbook of Forensic Phonetics. Oxford: OUP.
Foulkes, P. and Hughes, V. (in press) Dialectal and sociolinguistic foundations of forensic speaker comparison. To appear in Nolan, F., Hudson, T. and McDougall, K. (eds.) Oxford Handbook of Forensic Phonetics. Oxford: OUP.
2023
Hughes, V., Cardoso, A., Foulkes, P., French, P., Gully, A. and Harrison, P. (2023) Speaker-specificity in speech production: the contribution of source and filter. Journal of Phonetics 97: 101224.
Coretta, S. et al. (2023) Multidimensional signals and analytic flexibility: Estimating degrees of freedom in human speech analyses. Advances in Methods and Practices in Psychological Science.
2022
Gibb-Reid, B., Foulkes, P. and Hughes, V. (2022) Exploring the phonetic variation of yeah and like. York Papers in Linguistics 18: 1-27.
Gibb-Reid, B., Foulkes, P., Hughes, V. and Walker, T. (2022) Just listen: describing phonetic variation of the word just. Proceedings of the 18th Australasian Conference on Speech Science and Technology (ASSTA). Australian National University, Australia. pp. 226-230.
Gully, A., Harrison, P., Hughes, V., Rhodes, R. and Wormald, J. (2022) How voice analysis can help solve crimes. Frontiers in Young Minds 10: 702664.
Hughes, V., Llamas, C. and Kettig, T. (2022) Eliciting and evaluating likelihood ratios for speaker recognition by human listeners under forensically realistic channel-mismatched conditions. Proceedings of Interspeech. Incheon, Korea. pp. 5238-5242.
Wang, B. and Hughes, V. (2022) Reducing uncertainty at the score-to-LR stage in likelihood ratio-based forensic voice comparison using automatic speaker recognition systems. Proceedings of Interspeech. Incheon, Korea. pp. 5243-5247.
Wang, B., Hughes, V. and Foulkes, P. (2022) The effect of sampling variability on systems and individual speakers in likelihood ratio-based forensic voice comparison. Speech Communication 138: 38-49. [Author version]
2021
Coy, T., Hughes, V., Harrison, P. and Gully, A. (2021) A comparison of the accuracy of Dissen and Keshets’s (2016) DeepFormants and traditional LPC methods for semi-automatic speaker recognition. Proceedings of Interspeech. Brno, Czech Republic. pp. 406-410. *Differences in LLR output for each of the LPC systems relative to DeepFormants, for each speaker are displayed here
Harrington, L., Hughes, V. and Rhodes, R. (2021) Style variability in disfluency analysis for forensic speaker comparison. International Journal of Speech, Language and the Law 28(1): 31-58. [Author version]
Hudson, T., McDougall, K. and Hughes, V. (2021) Forensic phonetics. In Setter, J. and Knight, R-A. (eds.) Cambridge Handbook of Phonetics. Cambridge: CUP. pp. 631-656.
Morrison, G. S., Enzinger, E., Hughes, V., Jessen, M., Meuwly, D., Neumann, C., Planting, S., Thompson, W., van der Vloed, D., Ypma, R. and Zhang, C. (2021) Consensus on validation of forensic voice comparison. Science and Justice 61(3): 299-309.
Wang, B. and Hughes, V. (2021) System performance as a function of calibration methods, sample size and sample variability in likelihood ratio-based forensic voice comparison. Proceedings of Interspeech. Brno, Czech Republic. pp. 381-385.
2020
Bradshaw, L., Hughes, V. and Chodroff, E. (2020) Investigating the forensic applications of global and local temporal representations of speech for dialect discrimination. Proceedings of the 10th International Conference on Speech Prosody. pp. 635-639.
Hughes, V., Clermont, F. and Harrison, P. (2020) Correlating cepstra with formant frequencies: implications for phonetically-informed forensic voice comparison. Proceedings of Interspeech. Shanghai, China. pp. 1857-1862.
Hughes, V. and Wormald, J. (2020) Sharing innovative methods, data and knowledge across sociophonetics and forensic speech science. Linguistics Vanguard 6(1), special issue on Innovative Methods in Sociophonetics. [Author version]
Watt, D., Harrison, P., Hughes, V., Llamas, C., French, J. P., Braun, A. and Robertson, D. (2020) Assessing the effects of pooling accent-mismatched reference population databases on the performance of an automatic speaker recognition system. International Journal of Speech, Language and the Law 27(1): 1-34.
2019
Gully, A., Foulkes, P., French, J. P., Harrison, P. and Hughes, V. (2019) The Lombard effect in MRI noise. Proceedings of the 19th International Congress of Phonetic Sciences (ICPhS). Melbourne, Australia. pp. 800-804.
Hughes, V., Harrison, P., Foulkes, P., French, J. P. and Gully, A. (2019) Effects of formant settings and channel mismatch on semi-automatic systems in forensic voice comparison. Proceedings of the 19th International Congress of Phonetic Sciences (ICPhS). Melbourne, Australia. pp. 3080-3084. *The performance of every configuration of formant settings is displayed here
Hughes, V., Cardoso, A., Foulkes, P., French, J. P., Harrison, P. and Gully, A. (2019) Forensic voice comparison using long-term acoustic measures of voice quality. Proceedings of the 19th International Congress of Phonetic Sciences (ICPhS). Melbourne, Australia. pp. 1455-1459. *The performance of the MFCCs-only and the fusion of MFCCs and VQ is displayed here
San Segundo, E., Foulkes, P., French, J. P., Harrison, P., Hughes, V. and Kavanagh, C. (2019) The use of the vocal profile analysis for speaker characterisation: a methodological proposal. Journal of the IPA 49(3): 353-380.
Wang, B., Hughes, V. and Foulkes, P. (2019a) The effect of speaker sampling in likelihood ratio based forensic voice comparison. International Journal of Speech, Language and the Law 26(1): 97-120. [Author version]
Wang, B., Hughes, V. and Foulkes, P. (2019b) Effect of score sampling on system stability in likelihood ratio based forensic voice comparison. Proceedings of the 19th International Congress of Phonetic Sciences (ICPhS). Melbourne, Australia. pp. 3065-3069.
2018
Foulkes, P., Docherty, G., Shattuck-Hufnagel, S. and Hughes, V. (2018) Three steps forward for predictability: consideration of methodological robustness, indexical and prosodic factors, and replication in the laboratory. Linguistics Vanguard 4(2), special issue on The Role of Predictability in Shaping Human Language Sound Patterns.
Hughes, V., Harrison, P., Foulkes, P., French, J. P., Kavanagh, C. and San Segundo, E. (2018) The individual and the system: assessing the stability of the output of a semi-automatic forensic voice comparison system. Proceedings of Interspeech. Hyderabad, India. pp. 227-231.
Hughes, V. and Rhodes, R. (2018) Questions, propositions and assessing different levels of evidence: forensic voice comparison in practice. Science and Justice 58(4): 250-257. [Author version] [Corrigendum]
Sóskuthy, M., Foulkes, P., Hughes, V. and Haddican, B. (2018) Changing words and sounds: the roles of different levels of cognitive representation in phonetically gradient sound change. TopiCS (Topics in Cognitive Science) 10: 787-802. [Author version]
2017
Hughes, V. (2017) Sample size and the multivariate kernel density likelihood ratio: how many speakers are enough? Speech Communication 94: 15-29. [Author version]
Hughes, V. and Foulkes, P. (2017) What is the relevant population? Considerations for the computation of likelihood ratios in forensic voice comparison. Proceedings of Interspeech. Stockholm University, Sweden. pp. 3772-3776.
Hughes, V., Harrison, P., Foulkes, P., French, J. P., Kavanagh, C. and San Segundo, E. (2017) Mapping across feature spaces in forensic voice comparison: the contribution of auditory-based voice quality to (semi-)automatic system testing. Proceedings of Interspeech. Stockholm University, Sweden. pp. 3892-3896.
San Segundo, E., Foulkes, P., French, J. P., Harrison, P., Hughes, V. and Kavanagh, C. (2017) Cluster analysis of voice quality ratings: identifying groups of perceptually similar speakers. Proceedings of Phonetics and Phonology 13 Conference. Berlin, Germany. pp. 173-176.
2016
Hughes, V., Foulkes, P. and Wood, S. (2016) Strength of forensic voice comparison evidence from the acoustics of filled pauses. International Journal of Speech, Language and the Law 23(1): 99-132. [Author version]
Hughes, V., Foulkes, P. and Wood, S. (2016) Formant dynamics and durations of um improve the performance of automatic speaker recognition systems. Proceedings of the 16th Australasian Conference on Speech Science and Technology (ASSTA). University of Western Sydney, Australia. pp. 249-252.
San Segundo, E., Foulkes, P. and Hughes, V. (2016) Holistic perception of voice quality matters more than L1 when judging speaker similarity in short stimuli. Proceedings of the 16th Australasian Conference on Speech Science and Technology (ASSTA). University of Western Sydney, Australia. pp. 309-312.
2015
French, J. P., Foulkes, P., Harrison, P., Hughes, V. and Stevens, L. (2015) The vocal tract as a biometric: output measures, interrelationships and efficacy. Proceedings of the 18th International Congress of Phonetic Sciences (ICPhS). Glasgow, Scotland.
Gold, E. and Hughes, V. (2015) Front-end approaches to the issue of correlations in forensic speaker comparison. Proceedings of the 18th International Congress of Phonetic Sciences (ICPhS). Glasgow, Scotland.
Hughes, V. and Foulkes, P. (2015) The relevant population in forensic voice comparison: effects of varying delimitations of social class and age. Speech Communication 66: 218-230. [Author version]
Sóskuthy, M., Foulkes, P., Haddican, B., Hay, J. and Hughes, V. (2015) Word-level distributions and structural factors codetermine GOOSE fronting. Proceedings of the 18th International Congress of Phonetic Sciences (ICPhS). Glasgow, Scotland.
2014
Gold, E. and Hughes, V. (2014) Issues and opportunities for the application of the numerical likelihood ratio framework to forensic speaker comparison. Science and Justice 54(4): 292-299. [Author version]
Hughes, V. and Foulkes, P. (2014) Variability in analyst decisions during the computation of numerical likelihood ratios. International Journal of Speech, Language and the Law 21(2): 279-315. [Author version]
Hughes, V. and Foulkes, P. (2014) Regional variation and the definition of the relevant population in likelihood ratio-based forensic voice comparison using cepstral coefficients. Proceedings of the 15th Australasian Conference on Speech Science and Technology (ASSTA). University of Canterbury, New Zealand.
2013
Haddican, B., Foulkes, P., Hughes, V. and Richards, H. (2013) Social correlates of two vowel changes in Northern England. Language Variation and Change 25(3): 371-403. [Author version]
Hughes, V., Brereton, A. and Gold, E. (2013) Sample size and the computation of numerical likelihood ratios using articulation rate. York Papers in Linguistics 13: 22-46.
Hughes, V. (2013) Establishing typicality: a closer look at individual formants. Proceedings of Meetings on Acoustics (POMA). Montreal, Canada.
Vincent Hughes 