<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br><div><div><blockquote type="cite"><div>On 9 Dec 2024, at 19:37, Jonatan Liljedahl <lijon@kymatica.com> wrote:</div><br class="Apple-interchange-newline"><div><div><div dir="auto">Yes, all but the 4th one is the same. I don’t think it’s interesting or important to know/hear if it’s up or down ramp, the interesting thing is that it’s a clear difference. I also perceive it as lower pitch. They are all aliasing a lot too :)<br clear="all"></div></div></div></blockquote><div><br></div><div>Agreed about the aliasing. These were ideal sawtooth waveforms without any filtering. Here is a slightly improved version with an 8 pole low-pass Butterworth filter at 4.4 kHz. I have uploaded the resulting .wav to https://synth-diy.org/files/sawtooth_waves.wav to save bandwidth on the list.</div><div><br></div><div>Attached is the Python script. There is a bit of a DC shift between the inverted and regular wave forms, so I have to look into that.</div><div><br></div><div>The info about which is which is here: https://synth-diy.org/files/sawtooth_inversion_info.txt</div><div><div><br></div><div>Ben</div><div><br id="lineBreakAtBeginningOfMessage"></div></div><div></div></div></div></body></html>