• Winkler, Ralf, Susanne Fuchs, Pascal Perrier & Mark Tiede. 2011. Speaker-specific biomechanical models: From acoustic variability via articulatory variability to the variability of motor commands in selected tongue muscles. In Yves Laprie (ed.), Proceedings of the ISSP, 219-226. Montreal: CD-ROM.
  • Winkler, Ralf. 2010. Influence of smoking on the accuracy of age estimations from voice. In Susanne Fuchs, Phil Hoole, Christine Mooshammer & Marzena Zygis (eds.), Between the regular and the particular in speech and language, 77-96. Frankfurt/M.: Peter Lang.
  • Winkler, Ralf, Gunter Uhlmann & Gerd Schneider. 2010. Maschinelle Klassifikation von Artikulationsbewegungen im Rahmen einer visuellen Artikulationsschulung für gehörlose und schwerhörige Kinder. In Hansjörg Mixdorff (ed.), Electronic speech signal processing 2010, 48-55. Dresden: TUDpress.
  • Fuchs, Susanne, Ralf Winkler & Pascal Perrier. 2008. Does the speaker’s vocal tract geometry shape its articulatory vowel space?. In Rudolph Sock, Susanne Fuchs & Yves Laprie (eds.), Proceedings of the 8th International Seminar on Speech Production, 333-336. Strasbourg: Université March Bloch.
  • Winkler, Ralf. 2007. Testing the relevance of speech rate, pitch and a glottal chink for the perception of age in synthesized speech using formant synthesis. URL:
  • Winkler, Ralf & Walter Sendlmeier. 2006. EGG open quotient in aging voices: changes with increasing chronological age and its perception. Logopedics Phoniatrics Vocology 31(2). 51-56.
  • Winkler, Ralf & Walter Sendlmeier. 2005. Open quotient (EGG) measurements of young and elderly voices: results of a production and perception study. In Susanne Fuchs, Pascal Perrier & Bernd Pompino-Marschall (eds.), ZAS Papers in Linguistics 40, 213-225.
  • Hoole, Phil, Christian Geng & Ralf Winkler. 2001. Towards a speaker-independent representation of tongue-posturing for speech. In Ben Maassen, Wouter Hulstijn, Ray Kent, Herman Peters & Pascal van Lieshout (eds.), Speech motor control in normal and disorderd speech, 138-141. Nijmegen: International Speech Motor Conference.