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Bispectrum-based statistical tests for VAD

Górriz, J. M. and Ramírez, J. and Puntonet, C. G. and Theis, Fabian J. and Lang, Elmar (2005) Bispectrum-based statistical tests for VAD. In: Duch, Włodzisław, (ed.) Artificial neural networks: formal models and their applications - ICANN 2005: 15th international conference, Warsaw, Poland, September 11-15, 2005; proceedings. Lecture notes in computer science, 3697. Springer, Berlin, pp. 541-546. ISBN 978-3-540-28752-0.

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In this paper we propose a voice activity detection (VAD) algorithm for improving speech recognition performance in noisy environments. The approach is based on statistical tests applied to multiple observation window based on the determination of the speech/non-speech bispectra by means of third order auto-cumulants. This algorithm differs from many others in the way the decision rule is ...


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Item Type:Book Section
Institutions:Biology, Preclinical Medicine > Institut für Biophysik und physikalische Biochemie > Prof. Dr. Elmar Lang
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Subjects:500 Science > 570 Life sciences
Created at the University of Regensburg:Unknown
Deposited On:01 Oct 2010 08:10
Last Modified:01 Oct 2010 08:10
Item ID:16870
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