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DAVID: An open-source platform for real-time emotional speech transformation: With 25 applications in the behavioral sciences

Laura Rachman, Marco Liuni, Pablo Arias, Andreas Lind, Petter Johansson, Lars Hall, Daniel Richardson, Katsumi Watanabe, View ORCID ProfileStéphanie Dubal, View ORCID ProfileJean-Julien Aucouturier
doi: https://doi.org/10.1101/038133
Laura Rachman
1Science and Technology of Music and Sound STMS UMR 9912 / Institut de Recherche et Coordination en Acoustique et Musique, IRCAM, 75004 Paris, France
2CNRS UMR 7225 / Sorbonne Universités, UPMC Univ Paris 06 UMR S 1127, Paris, France
3Inserm U 1127, Paris, France
4Institut du Cerveau et de la Moelle Épinière, ICM, F-75013, Paris, France
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  • For correspondence: laura.rachman@ircam.fr
Marco Liuni
1Science and Technology of Music and Sound STMS UMR 9912 / Institut de Recherche et Coordination en Acoustique et Musique, IRCAM, 75004 Paris, France
2CNRS UMR 7225 / Sorbonne Universités, UPMC Univ Paris 06 UMR S 1127, Paris, France
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Pablo Arias
1Science and Technology of Music and Sound STMS UMR 9912 / Institut de Recherche et Coordination en Acoustique et Musique, IRCAM, 75004 Paris, France
2CNRS UMR 7225 / Sorbonne Universités, UPMC Univ Paris 06 UMR S 1127, Paris, France
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Andreas Lind
5Lund University Cognitive Science, Lund University, 221 00 Lund, Sweden
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Petter Johansson
5Lund University Cognitive Science, Lund University, 221 00 Lund, Sweden
6Swedish Collegium for Advanced Study, Uppsala University, 752 38 Uppsala, Sweden
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Lars Hall
5Lund University Cognitive Science, Lund University, 221 00 Lund, Sweden
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Daniel Richardson
7Department of Experimental Psychology, University College London, London WC1E 6BT, United Kingdom
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Katsumi Watanabe
8Department of Intermedia Art and Science, Faculty of Science and Engineering, Waseda University, 169-8555 Tokyo, Japan
9Research Center for Advanced Science and Technology, the University of Tokyo, 153 8904 Tokyo, Japan
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Stéphanie Dubal
2CNRS UMR 7225 / Sorbonne Universités, UPMC Univ Paris 06 UMR S 1127, Paris, France
3Inserm U 1127, Paris, France
4Institut du Cerveau et de la Moelle Épinière, ICM, F-75013, Paris, France
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  • ORCID record for Stéphanie Dubal
Jean-Julien Aucouturier
1Science and Technology of Music and Sound STMS UMR 9912 / Institut de Recherche et Coordination en Acoustique et Musique, IRCAM, 75004 Paris, France
2CNRS UMR 7225 / Sorbonne Universités, UPMC Univ Paris 06 UMR S 1127, Paris, France
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  • ORCID record for Jean-Julien Aucouturier
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Abstract

We present an open-source software platform that transforms the emotions expressed by speech signals using audio effects like pitch shifting, inflection, vibrato, and filtering. The emotional transformations can be applied to any audio file, but can also run in real-time (with less than 20-millisecond latency), using live input from a microphone. We anticipate that this tool will be useful for the study of emotions in psychology and neuroscience, because it enables a high level of control over the acoustical and emotional content of experimental stimuli in a variety of laboratory situations, including real-time social situations. We present here results of a series of validation experiments showing that transformed emotions are recognized at above-chance levels in the French, English, Swedish and Japanese languages, with a naturalness comparable to natural speech. Then, we provide a list of twenty-five experimental ideas applying this new tool to important topics in the behavioral sciences.

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Posted February 01, 2016.
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DAVID: An open-source platform for real-time emotional speech transformation: With 25 applications in the behavioral sciences
Laura Rachman, Marco Liuni, Pablo Arias, Andreas Lind, Petter Johansson, Lars Hall, Daniel Richardson, Katsumi Watanabe, Stéphanie Dubal, Jean-Julien Aucouturier
bioRxiv 038133; doi: https://doi.org/10.1101/038133
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DAVID: An open-source platform for real-time emotional speech transformation: With 25 applications in the behavioral sciences
Laura Rachman, Marco Liuni, Pablo Arias, Andreas Lind, Petter Johansson, Lars Hall, Daniel Richardson, Katsumi Watanabe, Stéphanie Dubal, Jean-Julien Aucouturier
bioRxiv 038133; doi: https://doi.org/10.1101/038133

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