Research Output

Research Output per year

2005 2020

• 36 Article
• 5 Letter, comment or opinion
• 4 Conference publication
• 4 Review article
• 9 More
  • 3 Chapter
  • 3 Editorial
  • 1 Book
  • 1 Chapter (peer-reviewed)
  • 1 Correction

Research Output per year

Research Output per year

Search results

• 2020

  Statistical models in forensic voice comparison

  Morrison, G. S., Enzinger, E., Ramos, D., González-Rodríguez, J. & Lozano-Díez, A., 28 Sep 2020, Handbook of Forensic Statistics. Banks, D. L., Kafadar, K., Kaye, D. H. & Tackett, M. (eds.). CRC Press, p. 451–497

  Research output: Chapter in Book/Report/Conference proceeding › Chapter (peer-reviewed) › peer-review

  • Statistical Model
  • Likelihood Ratio
  • Modeling
  • Gaussian Mixture Model
  • Feature Extraction

• Vacuous standards – Subversion of the OSAC standards-development process

  Morrison, G. S., Neumann, C. & Geoghegan, P. H., 30 Jun 2020, In: Forensic Science International: Synergy. 2, p. 206-209 4 p.

  Research output: Contribution to journal › Editorial › peer-review

  Open Access

  File

  • subversion
  • Forensic Sciences
  • Organizations
  • Publications
  • organization
• 2019

  A method for calculating the strength of evidence associated with an earwitness’s claimed recognition of a familiar speaker

  Rosas, C., Sommerhoff, J. & Morrison, G. S., 1 Nov 2019, In: Science and Justice. 59, 6, p. 585-596 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Criminals
  • Population

• A statistical procedure to adjust for time-interval mismatch in forensic voice comparison

  Morrison, G. S. & Kelly, F., 1 Sep 2019, In: Speech Communication. 112, p. 15-21 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Voice
  • Time Interval
  • Mismatch
  • statistical method
  • mismatch

• Forensic speech science

  Morrison, G. S., Zhang, C. & Enzinger, E., 10 May 2019, Expert Evidence: Law, Practice, Procedure and Advocacy. Freckelton, I. & Selby, H. (eds.). 6th ed. Sydney, Australia

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  Open Access

  • edition
  • jury member
  • system comparison
  • layperson
  • acoustics

• Introduction to forensic voice comparison

  Morrison, G. S. & Enzinger, E., 28 Mar 2019, The Routledge Handbook of Phonetics. Katz, W. F. & Assmann, P. F. (eds.). Routledge, p. 599–634 36 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  Open Access

  File

  • system comparison
  • acoustics
  • phonetics
  • Likelihood Ratio
  • Acoustic Phonetics

• Multi-laboratory evaluation of forensic voice comparison systems under conditions reflecting those of a real forensic case (forensic_eval_01) – Conclusion

  Morrison, G. S. & Enzinger, E., 1 Sep 2019, In: Speech Communication. 112, p. 37-39 3 p.

  Research output: Contribution to journal › Editorial › peer-review

  Open Access

  File

  • system comparison
  • Voice
  • Evaluation
  • evaluation
  • Summary
• 2018

  Admissibility of forensic voice comparison testimony in England and Wales

  Morrison, G. S., 1 Jan 2018, In: Criminal Law Review. 1, p. 20-33 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Wales
  • England
  • testimony
  • Criminals
  • Direction compound

• A response to Marquis et al (2017) What is the error margin of your signature analysis?

  Morrison, G. S., Ballentyne, K. & Geoghegan, P., 14 Mar 2018, In: Forensic Science International. 287, p. e11-e12 6 p.

  Research output: Contribution to journal › Letter, comment or opinion › peer-review

  Open Access

  File

  • Forensic Sciences
  • Statistical Models
  • Hand

• Score based procedures for the calculation of forensic likelihood ratios - scores should take account of both similarity and typicality

  Morrison, G. S. & Enzinger, E., 1 Jan 2018, In: Science and Justice. 58, 1, p. 47-58

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Forensic Sciences
  • Population

• The impact in forensic voice comparison of lack of calibration and of mismatched conditions between the known-speaker recording and the relevant-population sample recordings

  Morrison, G. S., 1 Feb 2018, In: Forensic Science International. 283, p. e1-e7

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • New South Wales
  • Calibration
  • Population

• 法庭说话人识别新范式实证研究

  Morrison, G. S., Zhang, C. & Enzinger, E., 31 Dec 2018, In: Journal of Chinese People's Public Security University(Science and Technology). 97, 3, p. 30-37

  Research output: Contribution to journal › Article › peer-review

  • paradigm
  • telephone
  • recording
  • logistics
  • regression
• 2017

  A comment on the PCAST report: skip the “match”/“non-match” stage

  Morrison, G. S., Kaye, D. H., Balding, D. J., Taylor, D., Dawid, P., Aitken, C. G. G., Gittelson, S., Zadora, G., Robertson, B., Willis, S., Pope, S., Neil, M., Martire, K. A., Hepler, A., Gill, R. D., Jamieson, A., de Zoete, J., Ostrum, R. B. & Caliebe, A., 1 Mar 2017, In: Forensic Science International. 272, p. e7-e9 3 p.

  Research output: Contribution to journal › Letter, comment or opinion › peer-review

  Open Access

  File

  • Technology
  • Forensic Sciences

• Assessing the admissibility of a new generation of forensic voice comparison testimony

  Morrison, G. S. & Thompson, W. C., 15 May 2017, In: Columbia Science and Technology Law Review. 18, p. 326–434

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • testimony
  • recording
  • system comparison
  • expert opinions
  • evidence

• Avoiding overstating the strength of forensic evidence: Shrunk likelihood ratios/Bayes factors

  Morrison, G. S. & Poh, N., 22 Dec 2017, In: Science and Justice. 58, 3, p. 200-218

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Logistic Models
  • Statistical Models
  • Discriminant Analysis
  • Benchmarking
  • Glass

• Empirical test of the performance of an acoustic-phonetic approach to forensic voice comparison under conditions similar to those of a real case

  Enzinger, E. & Morrison, G. S., 1 Aug 2017, In: Forensic Science International. 277, p. 30-40 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Phonetics
  • Acoustics
  • Reproducibility of Results
  • South Australia
  • New South Wales

• What should a forensic practitioner's likelihood ratio be? II

  Morrison, G. S., Nov 2017, In: Science and Justice. 57, 6, p. 472-476

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Statistical Models
  • Hearing
• 2016

  A demonstration of the application of the new paradigm for the evaluation of forensic evidence under conditions reflecting those of a real forensic-voice-comparison case

  Enzinger, E., Morrison, G. S. & Ochoa, F., 1 Jan 2016, In: Science and Justice. 56, 1, p. 42-57 16 p.

  Research output: Contribution to journal › Article › peer-review

  • Criminals
  • Statistical Models
  • Acoustics
  • Telephone
  • Noise

• INTERPOL survey of the use of speaker identification by law enforcement agencies

  Morrison, G. S., Sahito, F. H., Jardine, G., Djokic, D., Clavet, S., Berghs, S. & Goemans Dorny, C., 1 Jun 2016, In: Forensic Science International. 263, p. 92-100 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Law Enforcement
  • Central America
  • Phonetics
  • Middle East
  • South America

• Multi-laboratory evaluation of forensic voice comparison systems under conditions reflecting those of a real forensic case (forensic_eval_01) – Introduction

  Morrison, G. S. & Enzinger, E., 1 Dec 2016, In: Speech Communication. 85, p. 119-126 8 p.

  Research output: Contribution to journal › Editorial › peer-review

  • system comparison
  • Voice
  • recording
  • Evaluation
  • evaluation

• Refining the relevant population in forensic voice comparison – A response to Hicks et alii (2015) The importance of distinguishing information from evidence/observations when formulating propositions

  Morrison, G. S., Enzinger, E. & Zhang, C., 11 Jul 2016, In: Science and Justice. 56, 6, p. 492-497 6 p.

  Research output: Contribution to journal › Letter, comment or opinion › peer-review

  • Sodium Glutamate
  • Population

• Special issue on measuring and reporting the precision of forensic likelihood ratios: Introduction to the debate

  Morrison, G. S., 1 Sep 2016, In: Science and Justice. 56, 5, p. 371-373 3 p.

  Research output: Contribution to journal › Article › peer-review

  • Social Justice

• Use of relevant data, quantitative measurements, and statistical models to calculate a likelihood ratio for a Chinese forensic voice comparison case involving two sisters

  Zhang, C., Morrison, G. S. & Enzinger, E., 1 Oct 2016, In: Forensic Science International. 267, p. 115-124 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Cell Phone
  • Statistical Models
  • China
  • Acoustics
  • Reproducibility of Results

• What should a forensic practitioner's likelihood ratio be?

  Morrison, G. S. & Enzinger, E., 1 Sep 2016, In: Science and Justice. 56, 5, p. 374-379 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Uncertainty
  • Population
• 2015

  Mismatched distances from speakers to telephone in a forensic-voice-comparison case

  Enzinger, E. & Morrison, G. S., 1 Jun 2015, In: Speech Communication. 70, p. 28-41 14 p.

  Research output: Contribution to journal › Article › peer-review

  • Voice
  • system comparison
  • Telephone
  • telephone
  • Training
• 2014

  An acoustic and statistical analysis of spanish mid-vowel allophones

  Morrison, G. S., 2014, In: Estudios de Fonetica Experimental. 13, p. 12-37 26 p.

  Research output: Contribution to journal › Review article › peer-review

  • Mid Vowels
  • Allophone
  • Acoustic Analysis
  • acoustics
  • statistical analysis

• Distinguishing between forensic science and forensic pseudoscience: Testing of validity and reliability, and approaches to forensic voice comparison

  Morrison, G. S., May 2014, In: Science and Justice. 54, 3, p. 245-256 12 p.

  Research output: Contribution to journal › Review article › peer-review

  • Forensic Sciences
  • Reproducibility of Results
  • Phonetics
  • Statistical Models
  • Acoustics

• Forensic strength of evidence statements should preferably be likelihood ratios calculated using relevant data, quantitative measurements, and statistical models: A response to Lennard (2013) Fingerprint identification: how far have we come?

  Morrison, G. S. & Stoel, R. D., 3 Jul 2014, In: Australian Journal of Forensic Sciences. 46, 3, p. 282-292 11 p.

  Research output: Contribution to journal › Review article › peer-review

  • Dermatoglyphics
  • Statistical Models
  • Expert Testimony
  • Reproducibility of Results

• Likelihood ratio calculation for a disputed-utterance analysis with limited available data

  Morrison, G. S., Lindh, J. & Curran, J. M., Mar 2014, In: Speech Communication. 58, p. 81-90 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Likelihood Ratio
  • Covariance matrix
  • Statistical Models
  • Utterance
  • Statistical Model
• 2013

  Effects of telephone transmission on the performance of formant-trajectory-based forensic voice comparison-Female voices

  Zhang, C., Morrison, G. S., Enzinger, E. & Ochoa, F., Jul 2013, In: Speech Communication. 55, 6, p. 796-813 18 p.

  Research output: Contribution to journal › Article › peer-review

  • Voice
  • Female Voice
  • Formants
  • Telephone
  • telephone

• Reliability of human-supervised formant-trajectory measurement for forensic voice comparison

  Zhang, C., Morrison, G. S., Ochoa, F. & Enzinger, E., Jan 2013, In: Journal of the Acoustical Society of America. 133, 1, EL54.

  Research output: Contribution to journal › Article › peer-review

  • trajectory measurement
  • Formants
  • Supervisors
  • Trajectory
  • phonetics

• Tutorial on logistic-regression calibration and fusion: converting a score to a likelihood ratio

  Morrison, G. S., 1 Jun 2013, In: Australian Journal of Forensic Sciences. 45, 2, p. 173-197 25 p.

  Research output: Contribution to journal › Article › peer-review

  • Calibration
  • Logistic Models
  • Forensic Sciences
  • Dermatoglyphics
  • Fingers

• Vowel Inherent Spectral Change

  Morrison, G. S. (ed.) & Assmann, P. F. (ed.), 2013, Springer.

  Research output: Book/Report › Book
• 2012

  Perception of natural vowels by monolingual Canadian-English, Mexican-Spanish, and Peninsular-Spanish listeners

  Morrison, G. S., Dec 2012, In: Canadian Acoustics - Acoustique Canadienne. 40, 4, p. 29-39 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • vowels
  • assimilation
  • Mexico
  • Spain
  • Canada

• Protocol for the collection of databases of recordings for forensic-voice-comparison research and practice

  Morrison, G. S., Rose, P. & Zhang, C., 1 Aug 2012, In: Australian Journal of Forensic Sciences. 44, 2, p. 155-167 13 p.

  Research output: Contribution to journal › Article › peer-review

  • Databases
  • Telephone
  • Interviews

• The Likelihood-Ratio Framework and Forensic Evidence in Court: A Response to R v T

  Morrison, G. S., 1 Jan 2012, In: The International Journal of Evidence & Proof. 16, 1, p. 1-29

  Research output: Contribution to journal › Article › peer-review

  • court
  • system comparison
  • systems comparison
  • evaluation
  • Court opinions

• What did Bain really say? A preliminary forensic analysis of the disputed utterance based on data, acoustic analysis, statistical models, calculation of likelihood ratios, and testing of validity

  Morrison, G. S. & Hoy, M., 1 Jun 2012, AES 46th International Conference - Audio Forensics: Recording, Recovery, Analysis, and Interpretation. p. 203-207 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference publication

  • likelihood ratio
  • statistical analysis
  • Statistical Models
  • Acoustics
  • Acoustic properties
• 2011

  A comparison of procedures for the calculation of forensic likelihood ratios from acoustic-phonetic data: Multivariate kernel density (MVKD) versus Gaussian mixture model-universal background model (GMM-UBM)

  Morrison, G. S., Feb 2011, In: Speech Communication. 53, 2, p. 242-256 15 p.

  Research output: Contribution to journal › Article › peer-review

  • Likelihood Ratio
  • Acoustic Phonetics
  • Gaussian Mixture Model
  • Kernel Density
  • Mixture Model

• An empirical estimate of the precision of likelihood ratios from a forensic-voice-comparison system

  Morrison, G. S., Zhang, C. & Rose, P., 20 May 2011, In: Forensic Science International. 208, 1-3, p. 59-65 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Reproducibility of Results
  • Phonetics
  • Acoustics
  • Linear Models
  • Logistic Models

• Measuring the validity and reliability of forensic likelihood-ratio systems

  Morrison, G. S., Sep 2011, In: Science and Justice. 51, 3, p. 91-98 8 p.

  Research output: Contribution to journal › Review article › peer-review

  • Forensic Sciences
  • Reproducibility of Results
  • Costs and Cost Analysis
• 2009

  Analysis of categorical response data: Use logistic regression rather than endpoint-difference scores or discriminant analysis (L)

  Morrison, G. S. & Kondaurova, M. V., 1 Nov 2009, In: Journal of the Acoustical Society of America. 126, 5, p. 2159-2162 4 p.

  Research output: Contribution to journal › Article › peer-review

  • vowels
  • logistics
  • acoustic properties
  • Discriminant Analysis
  • Logistic Regression

• A response to the UK position statement on forensic speaker comparison

  Rose, P. & Morrison, G. S., 2009, In: International Journal of Speech, Language and the Law. 16, 1, p. 139-163 25 p.

  Research output: Contribution to journal › Article › peer-review

• Comments on Coulthard & Johnson's (2007) portrayal of the likelihood-ratio framework

  Morrison, G. S., Dec 2009, In: Australian Journal of Forensic Sciences. 41, 2, p. 155-161 7 p.

  Research output: Contribution to journal › Letter, comment or opinion › peer-review

  • Linguistics

• Forensic voice comparison and the paradigm shift

  Morrison, G. S., Dec 2009, In: Science and Justice. 49, 4, p. 298-308 11 p.

  Research output: Contribution to journal › Letter, comment or opinion › peer-review

  • Forensic Sciences
  • Evaluation Studies
  • Reproducibility of Results
  • History
  • DNA

• L1-Spanish speakers' acquisition of the English /i/-/I/ contrast II: Perception of vowel inherent spectral change

  Morrison, G. S., Dec 2009, In: Language and Speech. 52, 4, p. 437-462 26 p.

  Research output: Contribution to journal › Article › peer-review

  • Spanish Speakers
  • Spectrality
  • Cues
  • English People
  • listener

• Likelihood-ratio forensic voice comparison using parametric representations of the formant trajectories of diphthongs

  Morrison, G. S., 2009, In: Journal of the Acoustical Society of America. 125, 4, p. 2387-2397 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Likelihood Ratio
  • likelihood ratio
  • Formants
  • Trajectory
  • trajectories
• 2008

  Automatic-type calibration of traditionally derived likelihood ratios: Forensic analysis of Australian English /o/ formant trajectories

  Morrison, G. S. & Kinoshita, Y., 2008, Proceedings of the Annual Conference of the International Speech Communication Association: INTERSPEECH 2008. p. 1501-1504 4 p. (Proceedings of Interspeech).

  Research output: Chapter in Book/Report/Conference proceeding › Conference publication

  Open Access

  File

  • Speech analysis
  • Calibration
  • Recognition (Psychology)
  • Acoustics
  • Trajectories

• Comment on "A geometric representation of spectral and temporal vowel features: Quantification of vowel overlap in three linguistic varieties" [J. Acoust. Soc. Am. 119, 2334-2350 (2006)] (L)

  Morrison, G. S., 2008, In: Journal of the Acoustical Society of America. 123, 1, p. 37-40 4 p.

  Research output: Contribution to journal › Correction › peer-review

  • Linguistic Varieties
  • linguistics
  • vowels
  • Spectrality
  • Quantification

• Forensic speaker recognition in Chinese: A multivariate likelihood ratio discrimination on /i/ and /y/

  Zhang, C., Morrison, G. S. & Rose, P., 2008, Proceedings of the Annual Conference of the International Speech Communication Association: INTERSPEECH 2008. p. 1937-1940 4 p. (Proceedings of Interspeech).

  Research output: Chapter in Book/Report/Conference proceeding › Conference publication

  • Discrimination (Psychology)
  • Recognition (Psychology)
  • Telephone
  • Language

• Forensic voice comparison using likelihood ratios based on polynomial curves fitted to the formant trajectories of Australian English/ai/

  Morrison, G. S., 2008, In: International Journal of Speech, Language and the Law. 15, 2, p. 249-266 18 p.

  Research output: Contribution to journal › Article › peer-review

  • evidence