Natural vs. Synthesized Speech in Spoken Dialog Systems Research : Comparing the Performance of Recognition Results

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Date
2012
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Roller, Roland
Kretzschmar, Florian
Möller, Sebastian
Reithinger, Norbert
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Sprachkommunikation 2012 : Beiträge zur 10. ITG-Fachtagung vom 26. bis 28. September 2012 in Braunschweig. - Berlin [u.a.] : VDE-Verl., 2012. - (ITG-Fachbericht ; 236). - pp. 127-130. - ISBN 978-3-8007-3455-9
Abstract
In this paper, we test the effect of using speech synthesis when interacting with a spoken dialog system (SDS). We use a user simulation to connect our speech synthesis to a real, state-of-the-art automatic speech recognition (ASR) component deployed in a working commercial SDS via a standard telephone line. In a series of experiments, we compare human-machine dialogs and their recognition scores with simulated dialogs using synthesis. Our results show that a good text-to-speech synthesis configuration rivals human speech both in recognition scores as well as variability. This makes the speech interface in user simulation quite attractive.
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400 Philology, Linguistics
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10. ITG-Fachtagung, Sep 26, 2012 - Sep 28, 2012, Braunschweig
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Cite This
ISO 690SCHEFFLER, Tatjana, Roland ROLLER, Florian KRETZSCHMAR, Sebastian MÖLLER, Norbert REITHINGER, 2012. Natural vs. Synthesized Speech in Spoken Dialog Systems Research : Comparing the Performance of Recognition Results. 10. ITG-Fachtagung. Braunschweig, Sep 26, 2012 - Sep 28, 2012. In: Sprachkommunikation 2012 : Beiträge zur 10. ITG-Fachtagung vom 26. bis 28. September 2012 in Braunschweig. Berlin [u.a.]:VDE-Verl., pp. 127-130. ISBN 978-3-8007-3455-9
BibTex
@inproceedings{Scheffler2012Natur-29021,
  year={2012},
  title={Natural vs. Synthesized Speech in Spoken Dialog Systems Research : Comparing the Performance of Recognition Results},
  number={236},
  isbn={978-3-8007-3455-9},
  publisher={VDE-Verl.},
  address={Berlin [u.a.]},
  series={ITG-Fachbericht},
  booktitle={Sprachkommunikation 2012 : Beiträge zur 10. ITG-Fachtagung vom 26. bis 28. September 2012 in Braunschweig},
  pages={127--130},
  author={Scheffler, Tatjana and Roller, Roland and Kretzschmar, Florian and Möller, Sebastian and Reithinger, Norbert}
}
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