[music-dsp] Anti-aliasing for oscillators
jeffrey traer bernstein
jeffyb at ccrma.stanford.edu
Tue Nov 25 10:22:00 EST 2003
True enough, though I guess if you could a triangle wave, maybe by
adding two sawtooths, and differentiated (or highpassed) that you could
get a square...
Ethan Duni wrote:
>>Differentiation is simply a lowpass filter. To get a square wave from a
>>sawtooth, you need to use a delay line / comb filter. This notches out
>>the even harmonics.
>-Erm, you mean highpass filter, right? Integration is a lowpass.
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