Accurate Range for Variable Fractional-Delay Filtering

To perform variable fractional-delay (VFD) filtering, the VFD parameter p is assumed to take fractional numbers in pisin[0,1] and pisin[-0.5, 0.5] in the literature, but it needs to be clarified that which range should be adopted for achieving high-accuracy VFD filtering. In this paper, we first ana...

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Bibliographic Details
Published in2005 5th International Conference on Information Communications and Signal Processing pp. 77 - 80
Main Author Tian-Bo Deng
Format Conference Proceeding
LanguageEnglish
Japanese
Published IEEE 22.09.2006
Subjects
Delay
Digital filters
Finite impulse response filter
Frequency
Information filtering
Information filters
Interpolation
Lagrangian functions
Polynomials
Signal sampling
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ISBN9780780392830
0780392833
DOI10.1109/ICICS.2005.1689008

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Summary:To perform variable fractional-delay (VFD) filtering, the VFD parameter p is assumed to take fractional numbers in pisin[0,1] and pisin[-0.5, 0.5] in the literature, but it needs to be clarified that which range should be adopted for achieving high-accuracy VFD filtering. In this paper, we first analyze the accurate range qualitatively, and then utilize interpolation examples to demonstrate that range pisin [-0.5, 0.5] is the better choice for accurate VFD filtering
ISBN:9780780392830
0780392833
DOI:10.1109/ICICS.2005.1689008