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    Methods for Speech Intelligibility Enhancement

    Singh MK 2017.pdf (3.219Mb)
    Access Status
    Open access
    Authors
    Singh, Maneesh Kumar
    Date
    2017
    Supervisor
    Assoc. Prof. Zhuquan Zang
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    Faculty
    Curtin Malaysia Faculty of Engineering and Science
    School
    Department of Electrical & Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/57107
    Collection
    • Curtin Theses
    Abstract

    Modulation domain has been reported to be a better alternative to Frequency domain for speech enhancement, as speech intelligibility is closely linked with the modulation spectrum. This suggests that the modulation spectrum may assist in the demarcation of speech and noise. Motivated by that, this thesis investigates the role of modulation domain towards the speech intelligibility improvements. Acknowledging the fact that the Gaussian assumption for all noise DFT coefficients does not necessarily hold, this thesis suggests the best noise density function which is suitable for both the frequency and modulation domain based speech applications.

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