Precomputed filter bug with low samplerate samples

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Architector #4
Sun Aug 12, 2018 7:39 pm

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Precomputed filter bug with low samplerate samples

In Sampler, in precomputed effects, if you set the filter's frequency higher than the sample's Nyquist frequency(i.e. half the samplerate), the result is a painful mix of DC offset and a tone of that Nyquist frequency.

How to reproduce:
1. Load any sample with low enough samplerate(like 11025hz or lower)(example sample provided in attachments)
2. Disable "Resample" checkbox(so it doesn't upsample to high enough samplerate)
3. Set precomputed filter's frequency to anything higher than half the samplerate(99% will work), or increase resonance.
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