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  4. TETRA channel simulation for automatic speech recognition
 
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2012
Conference Paper
Title

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  
Mainwork
20th European Signal Processing Conference, EUSIPCO 2012. Proceedings. Vol.3  
Conference
European Signal Processing Conference (EUSIPCO) 2012  
File(s)
Download (2.11 MB)
Rights
Use according to copyright law
DOI
10.24406/publica-fhg-377548
Language
English
Fraunhofer-Institut für Intelligente Analyse- und Informationssysteme IAIS  
Keyword(s)
  • speech recognition

  • emergency broadcast radio

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