Prof. Dr. Volker Dellwo

OrcID: 0000-0002-8494-6025
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Interests: I am interested in a wide variety of segmental and supra-segmental phenomena in speech. In some research I am looking at how durational characteristics of speech can be used to identify speakers and in other research I study whether listeners can use rhythmic variability to segregate between two speakers speaking at the same time. More recently I have started studying rhythm and tone in some Asian languages. I am also interested in the influence of the segmental content of speech on the perception of duration and speech rhythm and I am looking for good methods to extract rhythmic characteristics of speech from the speech signal. Please find more information about my researchpublicationsteachingsoftware under these links or in the menu to the left.

Employment: Since August 2010 I am researching and teaching Phonetics and Speech Sciences in the Phonetics Lab at Zurich University (UZH) in Switzerland and occasionally work as an expert witness in forensic phonetics on a freelance basis. I also regularly teach on the Masters Programm at UIMP in Madrid. Previously I was lecturer in phonetics and speech sciences at University College London (2003-2010) and worked as a consultant and project manager in digital signal processing projects for iQuest Ltd. London. Before that I had research assistant posts at Bonn (2002-3) and Jena Universities (2000-2). I also worked as a guest lecturer at City Univesity London and at Greewich University teaching acoustic phonetics. In 1999 I was an assitant teacher for German at the Icelandic High School Menntaskólinn í Reykjavík.

Education: I have a PhD in Phonetics and Communication Sciences from Bonn University (with Wolfgang Hess, Bernhard Schroeder and Petra Wagner) for which I studied the relationships between speech rate and speech rhythm. I have an MA in Phonetics and Linguistics from Trier University (with Herman Künzel and Herbert Masthoff) focussing on Forensic Phonetics (native language influences on speaker identification abilities by naive listeners). During my studies I spent a year in Santiago de Compostela/Spain (1995) studying the phonetics of Galician, a year at Edinburgh University (1996/97) studying phonetics, digital signal processing and Scottish Gaelic, and I was a guest student in the phonetics lab at Saarbrücken University (1998).

Acoustical Society of America

International Association for Forensic Phonetics and Acoustics

International Speech Communication Association

IEEE Signal Processing Society

IEEE Biometrics Council

Expert member of European Network of Forensic Science Institutes (ENFSI) - Forensic Speech and Audio