<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;"><div><div>On Dec 19, 2024, at 12:04 AM, Mattias Rickardsson <mr@analogue.org> wrote:</div><blockquote type="cite"><div dir="ltr"><div class="gmail_quote gmail_quote_container"><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>Phase-correct waveforms are difficult for a sawtooth-core oscillator as the triangle and sine are derived from the sawtooth at a 90 degree phase difference; the triangle peak (90 degrees) is aligned with the sawtooth retrace (0 or 180 degrees). </div></blockquote><div><br></div><div>Also the triangle has its overtones in other phases than the square for instance, so there's no way of phase-aligning all the traditional waveforms saw/sqr/tri/sin and get all their overtone phases to match. But the triangle becomes a nice almost-half-circular waveform if you align them!</div></div></div>
</blockquote><br></div><div>Mellow waveforms, with 1/n^2 harmonic content, have harmonics that are naturally cosine-alined, while bright waveforms, with 1/n harmonic content, are naturally sine aligned.</div><div><br></div><div>See, things get really interesting when you explore this area.</div><div><br></div><div> -- Don<br>--<br>Donald Tillman, Palo Alto, California<br>https://till.com</div><div><br></div></body></html>