Transformation matrix for odd-order Lagrange-type variable fractional-delay filters

  title={Transformation matrix for odd-order Lagrange-type variable fractional-delay filters},
  author={Tian-Bo Deng},
  journal={2007 6th International Conference on Information, Communications & Signal Processing},
  • Tian-Bo Deng
  • Published 2007 in
    2007 6th International Conference on Information…
Lagrange-type variable fractional-delay (VFD) digital alters can be directly implemented as the well-known Farrow structure, but the fixed-coefficient filters (subfilters) do not have symmetric or anti-symmetric coefficients. This paper presents a transformation matrix for transforming a causal odd-order Lagrange-type VFD filter into a new one whose all the subfilters have either symmetric or anti-symmetric coefficients. As a result, the number of multipliers can be reduced by almost 50%, which… CONTINUE READING


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Digital Signal Processing: A Computer-Based Approach, 3rd Edition

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