On Sam, 2017-10-28 at 10:48 +0200, cyrille henry wrote: > > Le 28/10/2017 à 02:08, Alexandre Torres Porres a écrit : > > > > > > > > 2017-10-27 19:12 GMT-02:00 cyrille henry <c...@chnry.net <mailto:ch@c > > hnry.net>>: > > > > depending on the input you can also LP filter the signal before > > the distortion. > > > > oversampling and filtering is the worst way to deal with > > aliasing, but sometimes there is no other solution. > > > > > > recently I found out the results were kinda terrible and there > > wasn't much I could do about it, oversampling it to an insane > > amount like 512x didn't improve significantly at all... > > > > so I was wondering: - 1) why? > if you start with a 1KHz sinuzoid, and add 10 harmonics, the last > harmonics frequency is 1K * 2^10, so about 1MHz
Hm... the tenth harmonic of the fundamental frequency 1kHz is actually 11kHz, not 1MHz, or am I missing something here? 2kHz is the first partial, 3kHz the second, etc. Roman
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