[music-dsp] interpolation

[Olli Niemitalo]

On Mon, 14 Aug 2000, Olli Niemitalo wrote:

(oops, forgot to continue on this one)

> Yupp.. Dunno if that means the design should be started from the windowing
> function side. Hermite curve has a continuous windowing 
  function, but the derivative is not continuous, it looks much like
  this:
                   ___________
              __---           ---__
             -                     -
            /                       \
        ___/                         \___
   __---                                 ---__
  -                                           -
 /                                             \ 
/                                               \


It's piece-wise, 4 pieces. Surprising how such an ugly windowing function
has such a nice spectrum.

-olli


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