Conferences

2019

Gully, A., Foulkes, P., French, J. P., Harrison, P. and Hughes, V. (2019) The Lombard effect in MRI noise. Paper presented at the 19th International Congress of Phonetic Sciences (ICPhS), Melbourne, Australia. 5-9 August 2019. [Slides Proceedings]

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. Poster presented at the 19th International Congress of Phonetic Sciences (ICPhS), Melbourne, Australia. 5-9 August 2019. [Poster Proceedings]

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. Paper presented at the 19th International Congress of Phonetic Sciences (ICPhS), Melbourne, Australia. 5-9 August 2019. [Slides Proceedings] *Part of the Special Session on Interpreting acoustic measures of voice quality 

Wang, B., Hughes, V. and Foulkes, P. (2019) Effect of score sampling on system stability in likelihood ratio based forensic voice comparison. Poster presented at the 19th International Congress of Phonetic Sciences (ICPhS), Melbourne, Australia. 5-9 August 2019. [Poster Proceedings]

Gully, A., Foulkes, P., French, J. P., Harrison, P. and Hughes, V. (2019) Examining articulatory settings using MRI: pilot results. Paper presented at IAFPA 2019, Istanbul, Turkey. 14-17 July 2019. [Slides Abstract]

Hughes, V., Cardoso, A., Foulkes, P., French, J. P., Harrison, P. and Gully, A. (2019) The contribution of source and filter to speaker characterisation. Paper presented at IAFPA 2019, Istanbul, Turkey. 14-17 July 2019. [Slides Abstract]

2018

Foulkes, P., French, J. P., San Segundo, E., Harrison, P. and Hughes, V. (2018) Methodological issues in inter-rater agreement in voice quality analysis. Paper presented at the Voice Quality Workshop, Stockholm, Sweden. 8-12 October 2018. [Slides]

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. Poster presented at Interspeech, Hyderabad, India. 2-6 September 2018. [Poster Proceedings]

Hughes, V. and Wormald, J. (2018) Data sharing: solutions. Paper presented at WYRED Project: Data Sharing Satellite Event, University of Huddersfield. 2 August 2018. [Slides]

Hughes, V. (2018) Future of the field: likelihood ratios. Paper presented at IAFPA 2018, University of Huddersfield. 29 July-1 August 2018. *Part of the Future of the Field panel discussion session [Slides]

Hughes, V., Harrison, P., Foulkes, P. and French, J. P. (2018) The individual and the system: assessing the stability of the output of a semi-automatic forensic voice comparison system. Poster presented at IAFPA 2018, University of Huddersfield. 29 July-1 August 2018. [Poster Abstract]

Cardoso, A., Foulkes, P., French, J. P., Harrison, P., Hughes, V., Kavanagh, C. and San Segundo, E. (2018) Voice Quality of Hesitations: Acoustic Measures and VPA ratings. Paper presented at IAFPA 2018, University of Huddersfield. 29 July-1 August 2018.

French, J. P., Harrison, P., Hughes, V., Watt, D., Llamas, C., Braun, A. and Robertson, D. (2018) Comparing apples with apples, apples with oranges and apples with apples and oranges: the effects of (mis)matching reference population accents in ASR speaker comparisons. Paper presented at IAFPA 2018, University of Huddersfield. 29 July-1 August 2018.

Rhodes, R. and Hughes, V. (2018) Assessing different levels of evidence in forensic speaker comparison. Paper presented at IAFPA 2018, University of Huddersfield. 29 July-1 August 2018. [Slides Abstract]

Wang, B., Hughes, V. and Foulkes, P. (2018) A preliminary investigation of the effect of speaker randomisation in likelihood-ratio based forensic voice comparison. Poster presented at IAFPA 2018, University of Huddersfield. 29 July-1 August 2018. [Abstract]

Hughes, V., Harrison, P., Foulkes, P., French, J. P., Kavanagh, C. and San Segundo, E. (2018) The complementarity of automatic, semi-automatic and auditory-phonetic measures of supralaryngeal vocal tract output: an investigation based on speaker discrimination. Poster presented at BAAP 2018 Colloquium, University of Kent. 12-14 April 2018. [Poster Abstract]

Watt. D, French, J. P., Harrison, P., Hughes, V., Llamas, C., Braun, A. and Robertson, D. (2018) TUULS of the forensic trade: assessing the viability of pooling heterogeneous accent corpora for automatic speaker recognition comparison purposes. Poster presented at BAAP 2018 Colloquium, University of Kent. 12-14 April 2018. [Poster  Abstract]

2017

Hughes, V. (2017) Sociolinguistics and forensic speech science: knowledge- and data-sharing. Paper presented at the ‘Sociolinguistics and Forensic Speech Science’ Workshop at NWAV46, University of Wisconsin at Madison, WI. 2 November 2017. [Slides Abstract]

Hughes, V., Wormald, J. and Gold, E. (2017) Forensics and sociolinguistics. Paper presented at the ‘Sociolinguistics and Forensic Speech Science’ Workshop at NWAV46, University of Wisconsin at Madison, WI. 2 November 2017. [Slides Abstract]

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. Poster presented at Phonetik and Phonologie im deutschsprachigen Raum (P&P). Berlin, Germany. 28-29 September 2017. [Poster Proceedings]

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. Poster presented at Interspeech. Stockholm University, Sweden. 20-24 August 2017. [Poster Proceedings]

Hughes, V. and Foulkes, P. (2017) What is the relevant population? Considerations for the computation of likelihood ratios in forensic voice comparison. Paper presented at Interspeech. Stockholm University, Sweden. 20-24 August 2017. [Slides Proceedings]

Hughes, V. (2017) What questions are we being asked? … and how do we answer them? (3-minute) Paper presented at Interspeech. Stockholm University, Sweden. 20-24 August 2017. *Part of the Special Session on Speaker Comparison for Forensic and Investigative Applications III [Slide]

Hughes, V., Harrison, P., Foulkes, P., French, J. P., Kavanagh, C. and San Segundo, E. (2017) The complementarity of automatic, semi-automatic, and phonetic measures of vocal tract output in forensic voice comparison. Paper presented at the International Association of Forensic Phonetics and Acoustics (IAFPA) conference, Split, Croatia. 9-12 July 2017. [Slides Abstract]

Hughes, V. and Wormald, J. (2017) WikiDialects: a resource for assessing typicality in forensic voice comparison. Poster presented at the International Association of Forensic Phonetics and Acoustics (IAFPA) conference, Split, Croatia. 9-12 July 2017. [Poster Abstract]

Rhodes, R., French, J. P., Harrison, P., Hughes, V., Kirchhubel, C. and Wormald, J. (2017) Which questions, propositions and ‘relevant populations’ should a speaker comparison expert assess? Paper presented at the International Association of Forensic Phonetics and Acoustics (IAFPA) conference, Split, Croatia. 9-12 July 2017. [Slides]

San Segundo, E., Braun, A. and Hughes, V. (2017) Speaker-similarity perception of Spanish twins and non-twins by native speakers of Spanish, German and English. Poster presented at the International Association of Forensic Phonetics and Acoustics (IAFPA) conference, Split, Croatia. 9-12 July 2017. [Poster]

Hughes, V. and Wormald, J. (2017) Assessing typicality in forensic voice comparison: how can sociophonetics help? (and how can sociophonetics benefit?). Paper presented at the Innovative Methods in Sociophonetics II Workshop (Satellite of the 4th Workshop on Sound Change). University of Edinburgh. 19 April 2017. [Slides Abstract]

2016

Hughes, V., Foulkes, P. and Wood, S. (2016) Formant dynamics and durations of um improve the performance of automatic speaker recognition systems. Paper presented at the 16th Australasian Conference on Speech Science and Technology (ASSTA). University of Western Sydney, Australia. 6-9 December 2016. [Slides Proceedings]

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. Paper presented at the 16th Australasian Conference on Speech Science and Technology (ASSTA). University of Western Sydney, Australia. 6-9 December 2016. [Slides Proceedings]

Neocleous, T., Napier, G., Aitken, C., Foulkes, P., French, P., Gold, E., Harrison, P., Hughes V. and Stevens, L. (2016) Models for forensic speaker comparison. Poster presented at the Royal Statistical Society (RSS) Conference. University of Manchester, UK. 5-8 September 2016. [Poster Abstract]

San Segundo, E., Foulkes, P., French, J. P., Harrison, P. and Hughes, V. (2016) Voice quality analysis in forensic voice comparison: developing the vocal profile scheme. Paper presented at the International Association of Forensic Phonetics and Acoustics (IAFPA) conference, University of York. 24-27 July 2016.

Hughes, V. (2016) Validity (huh) what is it good for? Paper presented at the International Association of Forensic Phonetics and Acoustics (IAFPA) conference, University of York. 24-27 July 2016. [Slides]

Hughes, V. and Foulkes, P. (2016) Speaker- and group-specific information in formant dynamics: a forensic perspective. Paper presented at LabPhon 15 Satellite Workshop: Speech dynamics, social meaning, and phonological categories, Cornell University, Ithaca, USA. 13-16 July 2016. [Slides Abstract]

San Segundo, E., Hughes, V., Foulkes, P., French, J. P. and Harrison, P. (2016) Developing the vocal profile analysis scheme for forensic voice comparison. Paper presented at BAAP 2016 Colloquium, University of Lancaster. 30 March – 1 April 2016. [Slides Abstract]

San Segundo, E., Foulkes, P., French, J. P., Hughes, V. and Köster, O. (2016) Perceptual similarity of identical twins across different L1 listeners. Poster presented at BAAP 2016 Colloquium, University of Lancaster. 30 March-1 April 2016. [Poster]

2015

Wozniak, K., Haddican, B., Foulkes, P., Hughes, V. and Sóskuthy, M. (2015) The exceptionality of Tyneside back vowel fronting. Poster presented New Ways of Analysing Variation (NWAV) 44 conference, Toronto. 22-25 October 2015. [Poster Abstract]

French, J. P., Foulkes, P., Harrison, P., Hughes, V. and Stevens, L. (2015) The vocal tract as a biometric: output measures, interrelationships and efficacy. Paper presented at 18th International Congress of Phonetic Sciences (ICPhS). Glasgow, Scotland. *Part of the Forensic Phonetics discussant session [Slides Proceedings]

Gold, E. and Hughes, V. (2015) Front-end approaches to the issue of correlations in forensic speaker comparison. Poster presented at 18th International Congress of Phonetic Sciences (ICPhS). Glasgow, Scotland. [Poster Proceedings]

Sóskuthy, M., Foulkes, P., Haddican, B., Hay, J. and Hughes, V. (2015) Word-level distributions and structural factors codetermine GOOSE fronting. Paper presented at Proceedings of the 18th International Congress of Phonetic Sciences (ICPhS). Glasgow, Scotland. *Part of the Sound Change and Speech Evolution discussant session [Proceedings]

Hughes, V. (2015) Effects of the imbalance in the log LR cost function (Cllr). Poster presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, Universiteit Leiden, Netherlands. 8-10 July 2015. [Poster Abstract]

Foulkes, P., French, J. P., Harrison, P., Hughes, V. and San Segundo Fernández, E. (2015) HASR -> AHSR. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, Universiteit Leiden, Netherlands. 8-10 July 2015.

French, J. P., Foulkes, P., Harrison, P., Hughes, V. and Stevens, L. (2015) Long term measures of the resonating vocal tract: establishing correlation and complementarity. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, Universiteit Leiden, Netherlands. 8-10 July 2015. [Slides Abstract]

Gold, E. and Hughes, V. (2015) Examining correlations between phonetic parameters: implications for forensic speaker comparison. Poster presented at 169th Meeting of the Acoustical Society of America (ASA), Pittsburgh, USA. 18-22 May 2015. [Abstract]

2014

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. Paper presented at 15th Australasian Conference on Speech Science and Technology (ASSTA), University of Canterbury, Christchurch, NZ. 3-5 December 2014. [Slides Proceedings]

Hughes, V., Gold, E., French, J. P., Foulkes, P., Harrison, P., Stevens, L., Neocleous, T., Aikten, C., Medina, V. and Napier, G. (2014) Modelling features for forensic speaker comparison. Poster presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, Universität Zürich, Switzerland. 31 August-3 September 2014. [Poster Abstract]

Gold, E. and Hughes, V. (2014) Correlations within- and between-speech parameters in Standard Southern British English. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, Universität Zürich, Switzerland. 31 August-3 September 2014. [Slides Abstract]

Wood, S., Hughes, V. and Foulkes, P. (2014) Filled pauses as variables in speaker comparison: dynamic formant analysis and duration measurements improve performance. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, Universität Zürich, Switzerland. 31 August-3 September 2014. [Slides Abstract]

Neocleous, T., Aitken, C., Foulkes, P., French, J. P., Gold, E., Harrison, P., Hughes V., Stevens, L., Napier, G. and Medina, V. (2014) Evidence evaluation for forensic voice comparison. Poster presented at the 9th International Conference on Forensic Inference and Statistics, Ledien University, Netherlands. 19-22 August 2014. [Poster Abstract]

Sóskuthy, M., Foulkes, P., Hughes, V., Hay, J. and Haddican, B. (2014) Word-specific and sub-phonemic representations: yod-dropping and /uː/-fronting in Derby. Poster to be presented at 14th Conference on Laboratory Phonology, National Institute for Japanese Linguistics. 25-27 July 2014. [Poster Abstract]

Hughes, V. (2014) What is the relevant population for forensic voice comparison evidence? Paper presented at Department of Language and Linguistic Science Postgraduate Presentation Day, University of York, UK. 30 May 2014. [Slides]

Hughes, V. and Foulkes, P. (2014) Defining the relevant population according to class and age when computing numerical likelihood ratios for forensic voice comparison. Paper presented at BAAP 2014 Colloquium, University of Oxford. 7-9 April 2014. [Slides Abstract]

2013

Hughes, V., Foulkes, P., Haddican, B. and LaShell, P. (2013) Lexical competition, frequency and the fronting of back vowels in Northern British Englishes. Paper presented at UKLVC9 Conference, University of Sheffield. 2-4 September 2013. [Slides Abstract]

Hughes, V. (2013) Investigating the effects of sample size on numerical likelihood ratios using Monte Carlo simulations. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, University of South Florida, Tampa. 21-24 July 2013. [Slides Abstract]

Hughes, V. and Foulkes, P. (2013) (Socio)-linguistic considerations in the default definition of the relevant population when computing numerical likelihood ratios. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, University of South Florida, Tampa. 21-24 July 2013. *Winner of the best student paper prize [Slides Abstract]

Gold, E. and Hughes, V. (2013) Issues and opportunities for the application of the numerical likelihood ratio framework to forensic voice comparison. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, University of South Florida, Tampa. 21-24 July 2013. [Slides Abstract]

King, J., Foulkes, P., French, J. P. and Hughes, V. (2013) Hesitation markers as parameters for forensic speaker comparison. Poster presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, University of South Florida, Tampa. 21-24 July 2013. [Poster Abstract]

Hughes, V. (2013) Establishing typicality: a closer look at individual formants. Paper presented at 165th Meeting of the Acoustical Society of America (ASA)/ 21st International Congress on Acoustics (ICA), Montreal, Quebec. 2-7 June 2013. [Slides Abstract]

Hughes, V., Haddican, B. and Foulkes, P. (2013) The dynamics of variation and change in Northern English back vowels. Paper presented at VALP2 Conference, University of Canterbury, Christchurch, NZ. 16-18 January 2013. [Slides Abstract]

Hughes, V. and Foulkes, P. (2013) The role of regional variation in the quantification of strength of evidence for forensic voice comparison. Paper presented at VALP2 Conference, University of Canterbury, Christchurch, NZ. 16-18 January 2013. [Slides Abstract]

2012

Hughes, V., Haddican, B. and Foulkes, P. (2012) The dynamics of variation and change in Northern English back vowels. Paper presented at New Ways of Analysing Variation (NWAV) 41 conference, Indiana University, Bloomington. 25-28 October 2012. [Slides Abstract]

Hughes, V. and Foulkes, P. (2012) Effects of variation on the computation of numerical likelihood ratios for forensic voice comparison. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, Universidad Internacional Menédez Pelayo, Santander. 5-8 August 2012. [Slides Abstract]

Gold, E. and Hughes, V. (2012) Defining interdependencies between speech parameters. Poster presented at the Bayesian Biometrics for Forensics (BBfor2) Summer School in Forensic Evidence Evaluation and Validation, Universidad Autonoma de Madrid, Madrid. 18-21 June 2012. [Poster]

Hughes, V. (2012) Effects of variability on the outcome of numerical likelihood ratios for forensic voice comparison. Poster presented at the Bayesian Biometrics for Forensics (BBfor2) Summer School in Forensic Evidence Evaluation and Validation, Universidad Autonoma de Madrid, Madrid. 18-21 June 2012. [Poster]

Hughes, V. and Foulkes, P. (2012) Effects of variability on numerical likelihood ratio calculations for forensic voice comparison. Paper presented at BAAP 2012 Colloquium, University of Leeds. 26-28 March 2012. [Slides Abstract]

2011

Haddican, B., Richards, H., Foulkes, P. and Hughes, V. (2011) Social correlates of change in mid-vowels in Northern England. Paper presented at New Ways of Analysing Variation (NWAV) 40 Conference, Georgetown University. 27-30 October 2011. [Slides Abstract]

Hughes, V., Haddican, B., Richards, H. and Foulkes P. (2011) Vowel variation in Manchester English: a dynamic Approach. Paper presented at UKLVC8 Conference, Edge Hill University. 12-14 September 2011. [Slides Abstract]

2009

Hughes, V., McDougall, K. and Foulkes P. (2009) Diphthong dynamics in unscripted speech. Paper presented at International Association for Forensic Phonetics and Acoustics (IAFPA) Conference, University of Cambridge. 2-5 August 2009. [Slides Abstract]