Adrian Leemann is a visiting scholar at the Phonetics Laboratory, Department of Theoretical and Applied Linguistics, University of Cambridge. He currently works in the project ‘The contribution of segmental and suprasegmental cues in the recognition of a speaker’s dialect’, sponsored by the Swiss National Science Foundation. He was the principal investigator of Voice Äpp (voiceapp.ch) and had the technical lead in Grüezi, Moin, Servus (sprachatlas.spiegel.de). Marie-José Kolly is a PhD student at the Phonetics Laboratory, Department of Comparative Linguistics, University of Zurich. She was formerly a visiting student at LIMSI-CNRS in Paris to work on her PhD on temporal and rhythmic characteristics of second language speech, with a mobility grant from the Swiss National Science Foundation. She was a co-investigator in Voice Äpp as well as in Grüezi, Moin, Servus. Stephan Schmid is a Senior Researcher at the Phonetics Laboratory, Department of Comparative Linguistics, University of Zurich, where he teaches linguistic phonetics and Romance linguistics. He previously worked as research fellow at the Centro di dialettologia of the University of Padua (Italy) and as visiting professor at the Universities of Konstanz and Freiburg (Germany). Volker Dellwo is Assistant Professor of Phonetics at the Phonetics Laboratory, Department of Comparative Linguistics, University of Zurich, where he leads a number of research projects on segmental and suprasegmental characteristics of speech. He previously worked as a Lecturer in Phonetics at University College London and as a researcher at Bonn and Jena Universities.