Publications

Accepted, in press…

Hudson, T., McDougall, K. and Hughes, V. (accepted subject to revisions) Forensic speech science. In Setter, J. and Knight, R-A. (eds.) Cambridge Handbook of Phonetics.

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

Hughes, V. and Wormald, J. (2019) Sharing innovative methods, data and knowledge across sociophonetics and forensic speech science. Linguistics Vanguard 5(4), special issue on Innovative Methods in Sociophonetics. [Author version]

San Segundo, E., Foulkes, P., French, J. P., Harrison, P., Hughes, V. and Kavanagh, C. (2018) 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 comparisonInternational 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, in press) 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 systemProceedings 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 practiceScience 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.