[music-dsp] Frequncy smear? (fwd)

[Jon Watte]

>Is it fair to say that for a function to be called a "wave shaper", it
>must be implementable using a table lookup? I don't know how to express
>that mathematically.

waveshaping:

f(s) = ....

where the function is NOT dependent on any multiply by z (i e delay line).
The function doesn't need to be continuous or anything.
It's really just a stateless function mapping, which lends itself extremely 
well to table look-ups for certain classes of implementations.

Cheers,

				/h+

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