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Lagrange Interpolation Coefficients
Orders 1, 2, and 3
For
,
Lagrange interpolation
reduces to
linear interpolation
, as before
For order
, desired delay should be in a one-sample range centered about
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Download
Interpolation.pdf
Download
Interpolation_2up.pdf
Download
Interpolation_4up.pdf
``
Bandlimited Interpolation, Fractional Delay Filtering, and Optimal FIR Filter Design
'', by
Julius O. Smith III
and
Nelson Lee
,
REALSIMPLE
Project — work supported by the
Wallenberg Global Learning Network
.
Released
2008-06-05
under the
Creative Commons License (Attribution 2.5)
, by
Julius O. Smith
III and Nelson Lee
Center for Computer Research in Music and Acoustics (CCRMA),
Stanford University