[music-dsp] Anti-aliasing for oscillators

[jeffrey traer bernstein]

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.
>
>Ethan
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