That's the point.  You don't have to evaluate that integral, just
numerically integrate the ordinary differential equation that follows from
it to fill your wavetables.

Charles Z Henry wrote:

> ...
>
> y=conv(u,  f_s*sinc(f_s*t) )
>
>
Think about it that that is a shifting integral with an sin(x)/x in it, for
which there isn't even an easy solution if f_s is really simple.

T.
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