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    Low Order Modeling Of Head Related Transfer Functions Based On Spectral Smoothing And Principal Component Analysis

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    26_S7-1_Pec.pdf (632.9Kb)
    Date
    2013-07
    Author
    Pec, Michal
    Bujacz, Michal
    Strumillo, Pawel
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    Abstract
    The presented paper discusses methods of reducing the order of HRTF filters. Two alternative methods of HRTF preprocessing were proposed: wavelet based approximation of HRTF magnitude spectrum and dimensionality reduction by means of Principal Component Analysis. Frequency components of HRTFs were weighted according to the non-linear frequency resolution of human hearing via transformation to the bark scale. The preprocessed HRTFs were modeled with either recursive or non-recursive filters in linear and non-linear frequency domains.
    URI
    http://hdl.handle.net/1853/51669
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