Homepage Natalie Lewandowski

Natalie Lewandowski

Natalie Lewandowski
Phone 0049 711 685-84588
Fax0049 711 685-81366
Universität Stuttgart
Institut für Maschinelle Sprachverarbeitung
Pfaffenwaldring 5b
70569 Stuttgart


Since July 1st I'm not at the IMS anymore. You can reach me via




Researcher in the SFB 732 project A4 together with Dr. Antje Schweitzer.

Board member of the Stuttgart Research Focus (SRF) Language and Cognition.

Equal opportunity commissioner of Faculty 5.

IMPORTANT: the new Erasmus coordinators of the IMS are Heike Adel and Michael Neumann!

  • Phonetic convergence
  • Phonetic talent & the acquisition of L2 pronunciation (German/English)
  • Exemplar theoretic (usage-based) models of speech production and perception
  • Data science (R)
  • Psycho- and Sociolinguistics
  • Cognitive Science
  • English and German as foreign/second languages (EFL/ DaF/ DaZ)

WiSe 2017/18

  • Attention & Speech (Msc)

WiSe 2016/17

  • Introduction to Cognitive Science (MSc and advanced BSc)
  • Partial involvement in: Affective Computing and Emotion Analysis (MSc)

WiSe 2015/16

  • Project seminar & Project Phonetics (Bachelor level)


SoSe 2015

  • Introduction to Cognitive Science


WiSe 2014/2015

  • Project seminar & Project Phonetics (Bachelor level)

SoSe 2014

  • Introduction to Cognitive Science

WS 2013/2014

  • Project seminar & Project Phonetics

WS 2012/2013

  • Project seminar & Project Phonetics
  • Topics in laboratory phonology (parts)

WS 2011/2012

  • G3/G4 (Neuro) Psychology behind learning and teaching a language (Block)

WS 2010/2011

  • G3 Introduction to Cognitive Science (Block)

WS 2009/2010

  • G3 Introduction to Cognitive Science
  • G4 Psycholinguistics

WS 2008/2009

  • HS Foreign Accent in English: didactics and instrumental analysis

Recent oral and poster presentations


  • Language and Mind, Rijeka - May 2018
  • Tagung für Elektronische Sprachsignalverarbeitung (ESSV), Ulm - March 2018
  • SimPhon.Net Workshop on Cognitive, Psycholinguistic and Neurolinguistic modeling in phonetics and phonology, Hohenheim - June 2018
  • LabPhon 2018, Lissabon - June 2018


  • Phonetik & Phonologie 13, Berlin - October 2017
  • Interspeech, Stockholm - August 2017
  • Invited talk at Saarland University - July 2017
  • Abstraction and Diversity (IPS Workshop) at Ammersee, Herrsching - May 2017
  • ESSV (Electronic speech signal processing) in Saarbrücken - March 2017


  • first SimPhonNet meeting in Freudenstadt-Lauterbad - April 2016
  • Sociolinguistic Symposium in Murcia - June 2016
  • Architectures and Mechanisms in Language Processing (AMLaP 2016) in Bilbao - September 2016


  • guest lecture at the Universitat de Barcelona, March 2015
  • International Congress of Phonetic Sciences (ICPhS) in Glasgow, August 2015


  • guest lecture at LMU Munich - January 2014
  • Georgetown University Round Table in Linguistics, Washington D.C. - March 2014
  • Workshop "Interpersonal Coordination and Phonetic Convergence", Satellite event at ISSP, Cologne - May 2014
  • Language Control in Second Language Learners at the University de Toulouse le Mirail - June 2014


  • P&P9 in Zürich - Oct 2013
  • Summerschool in Speech Perception and Production in Aix-en-Provence - Sept 2013
  • Interspeech in Lyon - August 2013
  • New Sounds 2013 in Montréal - May 2013



  • guest lecture at the University of Bielefeld - Dec 2012
  • guest lecture at the University of Saarland - Dec 2012
  • International Symposium on Imitation and Convergence in Speech (ISICS) in Aix-en-Provence - Sept 2012
  • LabPhon 13 in Stuttgart - July 2012 (member of the local organizing committee)
  • The Listening Talker Workshop in Edinburgh - May 2012
  • GMSCP in Belo Horizonte - March 2012
  • 2018
    • Lewandowski, Natalie and Duran, Daniel (2018). Testing speech perception today and tomorrow: serious computer games as perception tests. In: Tagungsband der 29. Konferenz Elektronische Sprachsignalverarbeitung (ESSV) in Ulm, 07-09.03.2018.
    • Duran, Daniel und Lewandowski, Natalie (2018). Untersuchung der kognitiven
      Beanspruchung durch Sprachassistenzsysteme.
      In: Tagungsband der 29. Konferenz Elektronische Sprachsignalverarbeitung (ESSV) in Ulm, 07-09.03.2018.
    • Lewandowski, Natalie, Duran, Daniel and Bruni, Jagoda (2018). Acoustic and Social Correlates of Perceived Voice Attractiveness. In: Belz, Malte, Mooshammer, Christine, Fuchs, Susanne, Jannedy, Stefanie, Rasskazova, Oksana and Żygis, Marzena (Eds.): Proceedings of the Conference on Phonetics & Phonology in German-speaking countries (P&P 13), Berlin, p. 113-116, DOI:
  •  2017:
    • Schweitzer, Antje, Lewandowski, Natalie und Duran, Daniel (2017). Social Attractiveness in Dialogs. Proceedings of Interspeech 2017, 2243-2247, DOI: 10.21437/Interspeech.2017-833.
    • Duran, Daniel, Lewandowski, Natalie, Schweitzer, Antje (2017). A 3D computer game for testing perception of acoustic detail in speech. In: Proceedings of Meetings in Acoustics (POMA). Erschienen online, 2017. Issue 28, 060004, 2016. doi: 10.1121/2.0000493.
    • Duran, Daniel, Lewandowski, Natalie, Bruni, Jagoda, und Schweitzer, Antje (2017). Akustische Korrelate wahrgenommener Persönlichkeitsmerkmale und Stimmatraktivität. In: Tagungsband der 28. Konferenz Elektronische Sprachsignalverarbeitung (ESSV) in Saarbrücken, p.91-98.
  •  2016
    • Duran, Daniel, Lewandowski, Natalie, Schweitzer, Antje (2016). A 3D computer game for testing perception of acoustic detail in speech. Proceedings of 22nd International Congress on Acoustics, Buenos Aires. URL: Full paper (pdf).
    • Duran, Daniel, Lewandowski, Natalie und Schweitzer, Antje: Wahrnehmungsexperimente mit Hilfe eines Computerspiels. In: Draxler, Christoph; Kleber, Felicitas (Eds). Tagungsband der 12. Tagung Phonetik und Phonologie im deutschsprachigen Raum. P&P12. 12. - 14. October 2016, Ludwig-Maximilians-Universität München.
  •  2015
    • Schweitzer, Antje, Lewandowski, Natalie, Duran, Daniel and Dogil, Grzegorz (2015). Attention, please! - Expanding the GECO database. Proceedings of ICPhS, 2015. - Full Paper PDF (2 MB)
    • Vais, Jonathan, Walsh, Michael and Lewandowski, Natalie (2015). Investigating Frequency of Occurrence Effects in L2 Speakers: Talent matters. Proceedings of ICPhS, 2015. - Full Paper.
  • 2014
    • Schweitzer, Antje, Lewandowski, Natalie, and Dogil, Grzegorz (2014). Advancing corpus-based analyses of spontaneous speech: Switch to GECO! Poster presentation at LabPhon 2014, July, Tokyo - Abstract PDF
    • Schweitzer, Antje and Lewandowski, Natalie (2014). Social Factors in Convergence of F1 and F2 in Spontaneous Speech. Paper presented at the 10th International Seminar on Speech Production, Cologne. Abstract PDF (77 kB) - Full Paper PDF (120 kB)
    • Lewandowski, Natalie and Schweitzer, Antje (2014). Degrees of control over influencing factors in phonetic convergence. Abstract presented at the ISSP 2014 Satellite Workshop on “Interpersonal coordination and phonetic convergence”, Cologne.
    • Lewandowski, Natalie, Schweitzer, Antje, Duran, Daniel and Dogil, Grzegorz (2014). An exemplar-based hybrid model of phonetic adaptation. Abstract presented at Georgetown University Round Table on Languages and Linguistics (GURT), Washington, D.C., March 2014. - PDF
  •  2013
    • Schweitzer, Antje, Lewandowski, Natalie (2013): Convergence of articulation rate in spontaneous speech. In: Proceedings of the 14th Annual Conference of the International Speech Communication Association (Interspeech 2013, Lyon). pp. 525–529.
    • Lewandowski, Natalie (2013). Phonetic convergence and individual differences in non-native dialogs. Abstract presented at New Sounds in Montréal, Canada. URL:
  • 2012
  • 2011
  • 2010 
    • Lewandowski, Natalie; Schweitzer, Antje (2010): Prosodic and segmental convergence in spontaneous German conversations (A). Journal of the Acoustical Society of America 128(4): 2458.
    • Lewandowski, Natalie; Dogil, Grzegorz (2010): Identity negotiation in native-nonnative dialogs: quantifying phonetic adaptation. In: R. de Cilia and H. Gruber an M. Krzyżanowski and F. Menz, editors, Diskurs, Politik, Identität, pp. 389-399, Stauffenburg, Tübingen.
  • 2009
    • Lewandowski, Natalie(2009): Sociolinguistic factors in language proficiency: phonetic convergence as a signature of pronunciation talent. In: Grzegorz Dogil and Maria Susanne Reiterer, editors, Language Talent and Brain Activity volume 1 of Trends in Applied Linguistics pp. 257-278 de Gruyter, Berlin.
    • Lewandowski, Natalie; Dogil, Grzegorz(2009): Perception-production loop in native-non-native dialogs: Phonetic convergence (A). In: Journal of the Acoustical Society of America 125(4):2768.
  • 2008
    • Jilka, Matthias; Anufryk, Volha; Baumotte, Henrike; Lewandowski, Natalie; Rota, Giuseppina; Reiterer, Susanne(2008): Assessing Individual Talent in Second Language Production and Perception. In: A. S. Rauber; M. A. Watkins and B. O. Baptista, editors, New Sounds 2007: Proceedings of the 5th International Symposium on the Acquisition of Second Language Speech University of Santa Catarina, Florianopolis, Brazil.
    • Lewandowski, Natalie; Wade, Travis; Dogil, Grzegorz(2008): Phonetic convergence and language talent within native-nonnative interactions. In: A. Botinis, editor, Proceedings of ISCA Tutorial and Research Workshop on Experimental Linguistics University of Athens Athens, Greece.
  • 2007
    • Jilka, Matthias; Baumotte, Henrike; Lewandowski, Natalie; Reiterer, Susanne; Rota, Giuseppina (2007): Introducing a comprehensive approach to assessing pronunciation talent. In: Proceedings of the 16th International Congress of Phonetic Sciences (ICPhS) Saarbrücken, Germany.
    • Lewandowski, Natalie(2007): Phonetic convergence as a paradigm of showing phonetic talent in foreign language acquisition. In: H.D. Zimmer, editor, Proceedings of the 8th Annual Conference of the Cognitive Science Society of Germany Cognitive Science 2007.

Supervision of Bachelor and Master theses in phonetics (currently NO new topics!)





Member of the SImPhonNet - a DFG-funded network on usage-based approaches, computational modeling and simulation studies in phonetics and phonology.


Winner of the Klaus Tschira Award "KlarText!" 2012 in the category Information Science (© of pictures and press releases: Klaus Tschira Stiftung). The special issue of Bild der Wissenschaft Plus- "Klartext! 2012" - including all awarded articles is downloadable in pdf format here.