On the Computation of the Kullback-Leibler Measure for Spectral Distances

Veldhuis, R.N.J. and Klabbers, E. (2003) On the Computation of the Kullback-Leibler Measure for Spectral Distances. IEEE transactions on speech and audio processing, 11 (1). pp. 100-103. ISSN 10636676

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Abstract:	Efficient algorithms for the exact and approximate computation of the symmetrical Kullback-Leibler (1998) measure for spectral distances are presented for linear predictive coding (LPC) spectra. A interpretation of this measure is given in terms of the poles of the spectra. The performances of the algorithms in terms of accuracy and computational complexity are assessed for the application of computing concatenation costs in unit-selection-based speech synthesis. With the same complexity and storage requirements, the exact method is superior in terms of accuracy.
Item Type:	Article
Copyright:	©2003 IEEE
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Signals and Systems (SAS)
Link to this item:	http://purl.utwente.nl/publications/45311
Official URL:	http://dx.doi.org/10.1109/TSA.2002.805641
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