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Adaptive and Iterative Wiener Filter for Oriya Speech Processing Applications

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Part of the Lecture Notes in Computer Science book series (LNISA,volume 7172)

Abstract

This paper addresses the performance enhancement of speech processing applications like speech recognition, speaker identification and language identification in the presence of additive noise with help of proposed adaptive and iterative Wiener filter. This paper deals with the problem of single microphone, frequency domain speech enhancement in noisy environments using Wiener filter in iterative and adaptive manner based on the speech signal statistics (mean and variance). The algorithm achieves good temporal resolution while maintaining formant and harmonic trajectories. The results of implementation of such a structure will demonstrate significant improvements in Oriya isolated word recognition, Oriya continuous digit recognition, speaker identification and language identification performance under noisy conditions. The accuracy of all above applications is increased by 3% to 8% in average due to the proposed speech enhancement technique incorporation in our ongoing research works.

Keywords

  • Speech enhancement
  • Adaptive and iterative Wiener filter
  • Speech recognition
  • Speaker identification
  • Language identification

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© 2012 Springer-Verlag Berlin Heidelberg

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Mohanty, S., Swain, B.K. (2012). Adaptive and Iterative Wiener Filter for Oriya Speech Processing Applications. In: Ystad, S., Aramaki, M., Kronland-Martinet, R., Jensen, K., Mohanty, S. (eds) Speech, Sound and Music Processing: Embracing Research in India. CMMR FRSM 2011 2011. Lecture Notes in Computer Science, vol 7172. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31980-8_16

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  • DOI: https://doi.org/10.1007/978-3-642-31980-8_16

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-31979-2

  • Online ISBN: 978-3-642-31980-8

  • eBook Packages: Computer ScienceComputer Science (R0)