Scientific Program

The Book of Abstracts for IAFPA 2026 is published at Trier University’s Open Journal System and can be found here.

The analogue Book of Abstracts can be downloaded here.

The Program Overview of IAFPA 2026 can be downloaded here.


Program

Sunday, July 26
16:00Scientific Working Group on Forensic Speaker Recognition (OSAC) Larry KincaidHZ 202
16:00 – 19:00Student ReceptionK 101
17:00 – 19:00Welcome ReceptionK 101
 
Monday, July 27 (K101)
09:00 – 09:30Opening Session
JProf. Dr. Katharina Zahner-Ritter – Local organizers 
Prof Dr. Eva Martha Eckkrammer – President of Trier University 
Prof. Dr. Christian Soffel – Vice Dean of Faculty II, Trier University 
Dr. Tina Cambier-Langeveld – President of the IAFPA 
Dr. Richard Rhodes – Chair of the IAFPA
Prof Dr. Angelika Braun – Local organizers
09:30 – 10:30Oral Session I – Chair: Ruth Huntley Bahr
09:30 – 09:50A question for forensic phoneticians from privacy officers: when are speech recordings identifiable?Tina Cambier-Langeveld
09:50 – 10:10Insights from the ENFSI FSAAWG Collaborative Exercise on Audio EnhancementAndrea Fröhlich, Anna Bartle, Sarah Lim, Dagmar Boss, Olof Lundgren Källmark, Sunčica Kuzmić
10:10 – 10:30Experience and results from a comprehensive audio forensics test – the MdCE 2025 projectAttila Fejes
10:30 – 11:00Coffee Break
11:00 – 12:00Oral Session II – Chair: Sandra Ferrari Disner
11:00 – 11:20Voice familiarity across speaking styles: Effects on speech intelligibility and voice recognitionAlessandra Metzger, Elisa Pellegrino, and Volker Dellwo*
11:20 – 11:40Forensic Approaches to Voice Perception: Acoustic Variation Across Gender-Diverse Vowel SpacesKatelyn Taylor and Kirsty McDougall*
11:40 – 12:00Perceived voice distinctiveness predicts speaker discrimination but is not described by acoustic voice spacesAlessandro De Luca and Volker Dellwo*
12:00 – 13:00Oral Session III – Chair: Gea de Jong-Lendle
12:00 – 12:20The impact of accent imitation on voice identity perceptionEmilia Fletcher and Justin J. H. Lo
12:20 – 12:40Automatic identification of dialects in the western part of GermanyVatho Chem and Reinhold Greisbach
12:40 – 13:00The role of temporal information in automatic speech and voice recognitionErdem Baha Topbas, Srikanth Madikeri, Elisa Pellegrino and Volker Dellwo*
13:00 – 14:00Lunch Break
14:00 – 15:00Poster Session I (Foyer in Building K) – Chair: Sophia Fünfgeld
15:00 – 15:30Coffee Break (Poster Session I continued)
15:30 – 16:30Oral Session IV – Chair: Michael Jessen
15:30 – 15:50Empirical Validation of Synthetic Speech as a Forensic Proxy for Mismatch and Recording-Condition ResearchPeter Milne, Colleen Driscoll and Emily Lawrie-Munro
15:50 – 16:10The inadequacy of statistically-calculated likelihood ratios in forensic voice comparison: the Italian caseSonia Cenceschi, Chiara Meluzzi and Francesco Roberto Dani
16:10 – 16:30Evaluation and Application of Joint Speech Enhancement and Automatic Speaker Recognition in Forensic ScienceWei Li, Wenlin Huang, Weili Jiang and Xin Chen
16:45Meeting for VOCALISE/Fauxdio usersHZ 203
 
Tuesday, July 28 (K101)
09:00 – 11:00Special Session: Expertise in Context
Chair: Angelika Braun
09:00 – 09:15The Expert in German Criminal TrialsDr. Matthias Quarch
09:15 – 09:30The Role of the Expert Witness in Criminal Proceedings in the Continental European Legal SystemProf. Dr. Jan Bockemühl
09:30 – 09:45Expert Testimony in the U.S.Prof Dr. Ruth Huntley Bahr
09:45 – 10:00Expert Testimony across JurisdictionsProf. Dr. Angelika Braun
10:00 – 11:00Panel Discussion
11:00 – 11:30Coffee Break
11:30 – 12:30Oral Session V – Chair: Volker Dellwo
11:30 – 11:50Um, Do These Uhs Matter? – An Investigation into the Influence of Filled Pauses on the Perceptions of the IntervieweeMaya Ely Joshi, James Tompkinson, and Lauren Harrington*
11:50 – 12:10Final F0 Fall in Forensic Speaker Comparison: The Role of FillersLeia Weber, Gea de Jong-Lendle, and Mathias Scharinger*
12:10 – 12:30Forensic phonetics before 1980: Some examplesAngelika Braun
12:30 – 13:30Lunch Break
13:30 – 15:00Poster Session II (Foyer in Building K) – Chair: Peter Knopp
15:00IAFPA AGMK101
19:00Conference DinnerRestaurant Weinwirtschaft Friedrich-Wilhelm, Weberbach 75, 54290 Trier
 
Wednesday, July 29 (K101)
9:00 – 10:00Roundtable: Checking ProceduresBryony Nuttall, Katherine Earnshaw and Richard Rhodes
10:00 – 10:30Coffee Break
10.30 – 11:30Oral Session VI – Chair: Katharina Zahner-Ritter
10:30 – 10:50Towards explainable linguistic phonetic methods to authenticate allegedly deepfake audioBen Gibb-Reid, Jessica Wormald, and Vincent Hughes
10:50 – 11:10Perceiving speaker identity in authentic vs voice-converted speech: An eyetracking studyJustin J. H. Lo
11:10 – 11:30Dialect, voice quality and perceived speaker identity in AI voice conversionHope McVean*
11:30 – 12:30Oral Session VII – Chair: David van der Vloed
11:30 – 11:50Assessing automatic, acoustic-phonetic, and auditory speaker comparison in the era of open-source deepfakesLinda Gerlach, Amaia Sagasti and Anil Alexander
11:50 – 12:10Forensic Automatic Speaker Recognition: reflecting on technological progress and casework applicationsFinnian Kelly and Anil Alexander
12:10 – 12:30Beyond ‘Real’ or ‘Fake’: The challenge of benign AI-based processing in forensic deepfake detectionAmaia Sagasti, Finnian Kelly and Anil Alexander
12:30Closing Session
Announcement of IAFPA Student Award winners
Announcement of venue for IAFPA 2027
Announcement of OWR Award winner		 
13:00 – 16:00SWG on FSR (OSAC) – Larry KinkeidHZ 202

 

List of Posters

Poster Session I | Monday, July 27, 14:00-15:30 | Foyer in Building K
PI-1Individual Variation in the Production of Austrian German RhoticsNathalie Elsässer, Hendrik Behrens-Zemek and Eva Reinisch**
PI-2The Effect of Speech Rate on Dynamic Acoustic Features of Mandarin TriphthongsKai Gao, Weili Jiang, Xin Chen, Wenlin Huang, Wei Li
PI-3WThe Social Salience of tapped /r/ [ɾ] in Dublin Accents and Linguistic Attitudes Towards it in a Forensic ContextElin Cat Stüer and Grace Wenling Cao**
PI-4W/s/ and /ʃ/ Variation Across Gender-Diverse Speakers: Implications for Forensic Casework Involving Minority Speaker PopulationsKatelyn Taylor and Kirsty McDougall**
PI-5WPhoneme Inventory Effects on Speaker Specificity in /n/: A Cross-Linguistic StudyAnnie Baker and Eleanor Chodroff **
PI-6WFundamentally challenging: The role of f0 in cross-language speaker discriminationLeah Bradshaw, Julien Plante-Hebert and Elizabeth Allyn Smith
PI-7WOne Speaker, Multiple Dialects: Insights from the Language Familiarity Effect on Forensic Speaker RecognitionSophie Möller, Radek Skarnitzl, Volker Dellwo, Elisa Pellegrino and Tyler Perrachione**
PI-8Grammatical Gender in Bidialectal Speakers of Swiss and Standard GermanNiels O. Schiller
PI-9On the speaker-discriminatory potential of breath pauses in speechSascha Schäfer and Jürgen Trouvain
PI-10WThe role of voice quality in voice memorability: an experimentAlice Paver and Kirsty McDougall **
PI-11WTranscription in noise: investigating how errors produced by lay listeners vary across increasing noise levelsLauren Harrington
PI-12WVowel Distribution and the Stability of Long-Term Formants in GermanPhilipp Hutmacher, Angelika Braun and Katharina Zahner-Ritter**
PI-13WSigns of Partner Proximity in Formant Measurements: A First Look at the Relevance of Entrainment on Voice Identification AnalysisEllen Grand and Georgina Brown**
PI-14Can listeners learn to estimate speaker age?Johanna Lentz, Katharina Zahner-Ritter and Angelika Braun**
PI-15The Construction of a Voice Parade – Stimulus playback and identification accuracyPauline Winkler, Gea de Jong-Lendle, Ulrike Stühler, Mathias Scharinger**
 
Poster Session II | Tuesday, July 28, 13:30-15:00 | Foyer in Building K
PII-1From Absence to Construction: The Rise of Fonoaudiologia Forense in Forensic Speaker Comparison in Brazil and ParaguayPablo Vourliotis Alvarenga, Ana Paula Sanches and Samantha Moraes
PII-2It’s the Evidence That Matters. The Forensics of LOIDAndreea Dragu and Mihaela Stan
PII-3A survey of forensic practitioners on speaker attribution methodsTallulah Buckley, Kirsty McDougall and Richard Rhodes**
PII-4WAudio Enhancement and Transcription Interlaboratory Comparison ExercisesKatherine Earnshaw, Bryony Nuttall and Richard Rhodes
PII-5DIVERSE: a corpus of cisgender female speakers for phonetic and forensic researchAlice Paver, Chloe Patman, Kirsty McDougall, Paul Foulkes and Jay Paulson**
PII-6F0 corpus for case-adapted reference populationsAlmut Braun, Michael Jessen, Anja Moos and Isolde Wagner
PII-7Effect of combining supralaryngeal with laryngeal information in a forensic telephone-based datasetMichael Jessen and Canan Konrat
PII-8Choosing an appropriate reference population can mitigate limitations in automatic cross-language forensic speaker comparisonKristina Tomić, Dominic Watt, Valeriia Vyshnevetska, Volker Dellwo and Peter French
PII-9WAI-ccent judgements: Accent stereotypes persist with AIgenerated voicesJun Liu, Leah Bradshaw and Eleanor Chodroff**
PII-10WDeveloping a forensic methodology for deepfake audio detectionAnna Bartle, Matthew Boyle, Ben Gibb-Reid, Ronan Given, Amelia Gully, Philip Harrison, Vincent Hughes, Lucy Morville, Luca Resti, Andrew Robinson and Jessica Wormald
PII-11WCan Spoofed Voices Compromise an ASR system?Julia Roegner, Simon Werner and Angelika Braun**
PII-12Comparing humans and neural networks in speech deepfake detectionManuel Otero-Gonzalez, Aurora López-Jareño, Eugenia San Segundo and Joaquin Gonzalez-Rodriguez**
PII-13Calibration of ASV Systems and Robustness ThereofTorbjörn Onshage, Aron Paulsson, Greta Öhlund Wistbacka, Susanna Whitling and Andreas Jakobsson**
PII-14The Risk of Data Contamination in Forensic Voice Comparison: a Perception Experiment using Voice-mixed Speech SamplesScarlett Vanroose-Peer**

Legend:
* = eligible for IAFPA Student Award – Best oral presentation
** = eligible for IAFPA Student Award – Best poster
W = Work-in-Progress Poster (WiP)