I'm working on a system that will let me move through a wavetable of a filter sweep. I can move through smoothly, but what I can't do is move without changing pitch while I do so. I suspect there is a kind of Doppler effect going on. How do I sweep through without changing the pitch?
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Sweeping through wavetable without changing the pitch?
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have a look at pure data help -> 3.audio.examples -> B11-sampler-nodoppler.pd
(and the next couple of files as well, perhaps)
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I tried placing a sample-and-hold in my patch where the example puts it, but it still seems to go doppler on me. I think I'll just calculate the filter realtime. Thank you anyway!
