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2012
Conference Paper
Titel

TETRA channel simulation for automatic speech recognition

Abstract
The problem of deterioated automatic speech recognition performance for telecommunication devices like mobile phones is well-studied. However, few papers analyse the influence of emergency broadcast radio devices such as the Terrestrial Trunked Radio (TETRA), which is used for many public safety networks in Europe and Asia. In this paper, we dissect several aspects of the TETRA encoding scheme when transmitting over a dedicated emergency radio station by conducting experiments with original hardware and corresponding software simulations. We also offer a new technique for a cepstral mismatch compensation.
Author(s)
Stein, Daniel
Winkler, Thomas
Schwenninger, Jochen
Bardeli, Rolf
Hauptwerk
20th European Signal Processing Conference, EUSIPCO 2012. Proceedings. Vol.3
Konferenz
European Signal Processing Conference (EUSIPCO) 2012
DOI
10.24406/publica-fhg-377548
File(s)
004.pdf (2.11 MB)
Language
English
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Fraunhofer-Institut für Intelligente Analyse- und Informationssysteme IAIS
Tags
  • speech recognition

  • emergency broadcast r...

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