hi Mario, I have once experimented increasing the table size of gen10 in the source code of chuck because of similar quality problems. I think it may be too small for certain parameter combinations. best, Casper

On 23 Feb 2019, at 18:15, mario buoninfante wrote:

further testing shows that it's not about the odd harmonics, from the 5th harmonic (6th partials) onwards, sometimes you get unwanted sidebands with odd harmonics, sometimes with even ones. I'm monitoring the output (DFT) with Baudline and I tried driving Gen10 at different frequencies.

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