Scientific Program
The scientific program of IAFPA 2026 can be downloaded here.
Program
| Sunday, July 26 | ||
| 16:00 | Scientific Working Group on Forensic Speaker Recognition (OSAC) Larry Kincaid | HZ 202 |
| 16:00 – 19:00 | Student Reception | K 101 |
| 17:00 – 19:00 | Welcome Reception | K 101 |
| Monday, July 27 (K101) | ||
| 09:00 – 09:30 | Opening 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 – 10:30 | Oral Session I – Chair: Ruth Huntley Bahr | |
| 09:30 – 09:50 | A question for forensic phoneticians from privacy officers: when are speech recordings identifiable? | Tina Cambier-Langeveld |
| 09:50 – 10:10 | Insights from the ENFSI FSAAWG Collaborative Exercise on Audio Enhancement | Andrea Fröhlich, Anna Bartle, Sarah Lim, Dagmar Boss, Olof Lundgren Källmark, Sunčica Kuzmić |
| 10:10 – 10:30 | Experience and results from a comprehensive audio forensics test – the MdCE 2025 project | Attila Fejes |
| 10:30 – 11:00 | Coffee Break | |
| 11:00 – 12:00 | Oral Session II – Chair: Sandra Ferrari Disner | |
| 11:00 – 11:20 | Voice familiarity across speaking styles: Effects on speech intelligibility and voice recognition | Alessandra Metzger, Elisa Pellegrino, and Volker Dellwo* |
| 11:20 – 11:40 | Forensic Approaches to Voice Perception: Acoustic Variation Across Gender-Diverse Vowel Spaces | Katelyn Taylor and Kirsty McDougall* |
| 11:40 – 12:00 | Perceived voice distinctiveness predicts speaker discrimination but is not described by acoustic voice spaces | Alessandro De Luca and Volker Dellwo* |
| 12:00 – 13:00 | Oral Session III – Chair: Gea de Jong-Lendle | |
| 12:00 – 12:20 | The impact of accent imitation on voice identity perception | Emilia Fletcher and Justin J. H. Lo |
| 12:20 – 12:40 | Automatic identification of dialects in the western part of Germany | Vatho Chem and Reinhold Greisbach |
| 12:40 – 13:00 | The role of temporal information in automatic speech and voice recognition | Erdem Baha Topbas, Srikanth Madikeri, Elisa Pellegrino and Volker Dellwo* |
| 13:00 – 14:00 | Lunch Break | |
| 14:00 – 15:00 | Poster Session I (Foyer in Building K) – Chair: Sophia Fünfgeld | |
| 15:00 – 15:30 | Coffee Break (Poster Session I continued) | |
| 15:30 – 16:30 | Oral Session IV – Chair: Michael Jessen | |
| 15:30 – 15:50 | Empirical Validation of Synthetic Speech as a Forensic Proxy for Mismatch and Recording-Condition Research | Peter Milne, Colleen Driscoll and Emily Lawrie-Munro |
| 15:50 – 16:10 | The inadequacy of statistically-calculated likelihood ratios in forensic voice comparison: the Italian case | Sonia Cenceschi, Chiara Meluzzi and Francesco Roberto Dani |
| 16:10 – 16:30 | Evaluation and Application of Joint Speech Enhancement and Automatic Speaker Recognition in Forensic Science | Wei Li, Wenlin Huang, Weili Jiang and Xin Chen |
| 16:45 | Meeting for VOCALISE/Fauxdio users | HZ 203 |
| Tuesday, July 28 (K101) | ||
| 09:00 – 11:00 | Special Session: Expertise in Context Chair: Angelika Braun | |
| 09:00 – 09:15 | The expert in German Courts | Dr. Matthias Quarch |
| 09:15 – 09:30 | The role of the expert witness in criminal proceedings in the continental European legal system | Prof. Dr. Jan Bockemühl |
| 09:30 – 09:45 | Expert testimony in the US | Prof Dr. Ruth Huntley Bahr |
| 09:45 – 10:00 | Expert testimony across jurisdictions | Prof. Dr. Angelika Braun |
| 10:00 – 11:00 | Panel Discussion | |
| 11:00 – 11:30 | Coffee Break | |
| 11:30 – 12:30 | Oral Session V – Chair: Volker Dellwo | |
| 11:30 – 11:50 | Um, Do These Uhs Matter? – An Investigation into the Influence of Filled Pauses on the Perceptions of the Interviewee | Maya Ely Joshi, James Tompkinson, and Lauren Harrington* |
| 11:50 – 12:10 | Final F0 Fall in Forensic Speaker Comparison: The Role of Fillers | Leia Weber, Gea de Jong-Lendle, and Mathias Scharinger* |
| 12:10 – 12:30 | Forensic Phonetics before 1980: Some examples | Angelika Braun |
| 12:30 – 13:30 | Lunch Break | |
| 13:30 – 15:00 | Poster Session II (Foyer in Building K) – Chair: Peter Knopp | |
| 15:00 | IAFPA AGM | K101 |
| 19:00 | Conference Dinner | Restaurant Weinwirtschaft Friedrich-Wilhelm, Weberbach 75, 54290 Trier |
| Wednesday, July 29 (K101) | ||
| 9:00 – 10:00 | Session on Checking Procedures | Bryony Nuttall, Katherine Earnshaw and Richard Rhodes |
| 10:00 – 10:30 | Coffee Break | |
| 10.30 – 11:30 | Oral Session VI – Chair: Katharina Zahner-Ritter | |
| 10:30 – 10:50 | Towards explainable linguistic phonetic methods to authenticate allegedly deepfake audio | Ben Gibb-Reid, Jessica Wormald, and Vincent Hughes |
| 10:50 – 11:10 | Perceiving speaker identity in authentic vs voice-converted speech: An eyetracking study | Justin J. H. Lo |
| 11:10 – 11:30 | Dialect, voice quality and perceived speaker identity in AI voice conversion | Hope McVean* |
| 11:30 – 12:30 | Oral Session VII – Chair: David van der Vloed | |
| 11:30 – 11:50 | Assessing automatic, acoustic-phonetic, and auditory speaker comparison in the era of open-source deepfakes | Linda Gerlach, Amaia Sagasti and Anil Alexander |
| 11:50 – 12:10 | Forensic Automatic Speaker Recognition: reflecting on technological progress and casework applications | Finnian Kelly and Anil Alexander |
| 12:10 – 12:30 | Beyond ‘Real’ or ‘Fake’: The challenge of benign AI-based processing in forensic deepfake detection | Amaia Sagasti, Finnian Kelly and Anil Alexander |
| 12:30 | Closing Session Announcement of IAFPA Student Award winners Announcement of venue for IAFPA 2027 Announcement of OWR Award winner | |
| 13:00 – 16:00 | SWG on FSR (OSAC) – Larry Kinkeid | HZ 202 |
List of Posters
Poster Session I | Monday, July 27, 14:00-15:30 | Foyer in Building K | ||
|---|---|---|
| PI-1 | Individual Variation in the Production of Austrian German Rhotics | Nathalie Elsässer, Hendrik Behrens-Zemek and Eva Reinisch** |
| PI-2 | The Effect of Speech Rate on Dynamic Acoustic Features of Mandarin Triphthongs | Gao Kai, Jiang Weili, Chen Xin, Huang Wenlin and Li Wei |
| PI-3 | The Social Salience of tapped /r/ [ɾ] in Dublin Accents and Linguistic Attitudes Towards it in a Forensic Context | Elin Cat Stüer and Grace Wenling Cao** |
| PI-4 | /s/ and /ʃ/ Variation Across Gender-Diverse Speakers: Implications for Forensic Casework Involving Minority Speaker Populations | Katelyn Taylor and Kirsty McDougall** |
| PI-5 | Phoneme Inventory Effects on Speaker Specificity in /n/: A Cross-Linguistic Study | Annie Baker and Eleanor Chodroff ** |
| PI-6 | Fundamentally challenging: The role of f0 in cross-language speaker discrimination | Leah Bradshaw, Julien Plante-Hebert and Elizabeth Allyn Smith |
| PI-7 | One Speaker, Multiple Dialects: Insights from the Language Familiarity Effect on Forensic Speaker Recognition | Sophie Möller, Radek Skarnitzl, Volker Dellwo, Elisa Pellegrino and Tyler Perrachione** |
| PI-8 | Grammatical Gender in Bidialectal Speakers of Swiss and Standard German | Niels O. Schiller |
| PI-9 | On the speaker-discriminatory potential of breath pauses in speech | Sascha Schäfer and Jürgen Trouvain |
| PI-10W | The role of voice quality in voice memorability: an experiment | Alice Paver and Kirsty McDougall ** |
| PI-11W | Transcription in noise: investigating how errors produced by lay listeners vary across increasing noise levels | Lauren Harrington |
| PI-12W | Vowel Distribution and the Stability of Long-Term Formants in German | Philipp Hutmacher, Angelika Braun and Katharina Zahner-Ritter** |
| PI-13W | Signs of Partner Proximity in Formant Measurements: A First Look at the Relevance of Entrainment on Voice Identification Analysis | Ellen Grand and Georgina Brown** |
| PI-14 | Can listeners learn to estimate speaker age? | Johanna Lentz, Katharina Zahner-Ritter and Angelika Braun** |
| PI-15 | The construction of a voice parade – stimulus playback and identification accuracy | Pauline Winkler, Gea de Jong-Lendle, Ulrike Stühler, Mathias Scharinger** |
Poster Session II | Tuesday, July 28, 13:30-15:00 | Foyer in Building K | ||
| PII-1 | From Absence to Construction: The Rise of Fonoaudiologia Forense in Forensic Speaker Comparison in Brazil and Paraguay | Pablo Vourliotis Alvarenga, Ana Sanches and Samantha Moraes |
| PII-2 | It’s the Evidence That Matters. The Forensics of LOID | Andreea Dragu and Mihaela Stan |
| PII-3 | A survey of forensic practitioners on speaker attribution methods | Tallulah Buckley, Kirsty McDougall and Richard Rhodes** |
| PII-4 | Audio Enhancement and Transcription Interlaboratory Comparison Exercises | Katherine Earnshaw, Bryony Nuttall and Richard Rhodes |
| PII-5 | DIVERSE: a corpus of cisgender female speakers for phonetic and forensic research | Alice Paver, Chloe Patman, Kirsty McDougall, Paul Foulkes and Jay Paulson** |
| PII-6 | F0 corpus for case-adapted reference populations | Almut Braun, Michael Jessen, Anja Moos and Isolde Wagner |
| PII-7 | Effect of combining supralaryngeal with laryngeal information in a forensic telephone-based dataset | Michael Jessen and Canan Konrat |
| PII-8 | Choosing an appropriate reference population can mitigate limitations in automatic cross-language forensic speaker comparison | Kristina Tomić, Dominic Watt, Valeriia Vyshnevetska, Volker Dellwo and Peter French |
| PII-9W | AI-ccent judgements: Accent stereotypes persist with AIgenerated voices | Jun Liu, Leah Bradshaw and Eleanor Chodroff** |
| PII-10W | Developing a forensic methodology for deepfake audio detection | Anna Bartle, Matthew Boyle, Ben Gibb-Reid, Ronan Given, Amelia Gully, Philip Harrison, Vincent Hughes, Lucy Morville, Luca Resti, Andrew Robinson and Jessica Wormald |
| PII-11W | Can Spoofed Voices Compromise an ASR system? | Julia Roegner, Simon Werner and Angelika Braun** |
| PII-12 | Comparing humans and neural networks in speech deepfake detection | Manuel Otero-Gonzalez, Aurora López-Jareño, Eugenia San Segundo and Joaquin GonzalezRodriguez** |
| PII-13 | Calibration of ASV Systems and Robustness Thereof | Torbjörn Onshage, Aron Paulsson, Greta Öhlund Wistbacka, Susanna Whitling and Andreas Jakobsson** |
| PII-14 | The Risk of Data Contamination in Forensic Voice Comparison: a Perception Experiment using Voice-mixed Speech Samples | Scarlett Vanroose-Peer** |
Legend:
* = eligible for IAFPA Student Award – Best oral presentation
** = eligible for IAFPA Student Award – Best poster
W = Work-in-Progress Poster (WiP)
