<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><blockquote type="cite"><div>On Dec 9, 2024, at 10:04 AM, rburnett@richieburnett.co.uk wrote:</div><br class="Apple-interchange-newline"><div><div><blockquote type="cite">Slightly more serious: What do we think is an easy enough way to play around with this?<br></blockquote><br>Generate a sawtooth waveform (with a period that is an integer number of samples) in your favourite Digital Audio editing package (Goldwave, Audacity, etc.) then make a copy to another file and invert it. </div></div></blockquote><br></div><div>Or just swap the leads on y'r speaker.</div><div><div><div dir="auto" style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><br> -- Don<br>--<br>Donald Tillman, Palo Alto, California<br>https://till.com</div><div><br></div></div></div></div></div></body></html>