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Efficient Time-Invariant Lagrange Interpolation

We derived the following efficient implementation:

\epsfig{file=eps/DepalleTassartQ.eps,width=\textwidth }

Replacing $ q$ by $ z^{-1}$ and manipulating signs gives the following:

\epsfig{file=eps/DepalleTassart.eps,width=\textwidth }


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``Bandlimited Interpolation, Fractional Delay Filtering, and Optimal FIR Filter Design'', by Julius O. Smith III, (From Lecture Overheads, Music 420).
Copyright © 2022-09-05 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
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