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        The use of sub-band cepstrum in speaker verification

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        901747.pdf (PDF, 430Kb)
        Author
        Sivakumaran, P.
        Ariyaeeinia, A.
        Attention
        2299/1621
        Abstract
        This paper focuses on the spectral representation of the sub-band cepstrum in relation to that of the full-band cepstrum. Through theoretical analysis it is shown that the net spectral information content of the cepstral coefficients with the same index in different sub-bands is only comparable to that of a full-band cepstral parameter whose quefrency is given by the product of that specific index with the number of sub-bands. A new method is proposed to tackle this deficiency of the sub-band cepstrum when it is used in the context of text-dependent speaker verification. The experimental investigations have clearly demonstrated the effectiveness of this method in speaker verification.
        Publication date
        2000
        Published in
        00) Vol.2
        Published version
        https://doi.org/10.1109/ICASSP.2000.859149
        Other links
        http://hdl.handle.net/2299/1621
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