<html><head></head><body style="zoom: 0%;"><div dir="auto">As someone with 3x SDD-3300s sitting here this intrigues me mightily.<br><br></div>
<div dir="auto">James R Coplin</div>
<div class="gmail_quote" >On Mar 22, 2021, at 8:56 PM, Michael E Caloroso <<a href="mailto:mec.forumreader@gmail.com" target="_blank">mec.forumreader@gmail.com</a>> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="blue">After years of experimentation I have concluded that a polyphonic<br>synth needs both reverb and at least a pair of delays that can be<br>modulated.<br><br>Reverb alone was never enough.<br>Modulated delays alone was never enough.<br><br>I had really liked my Korg SDD-3300 triple digital delay for synths,<br>which can be configured in any series/parallel/cross-coupled<br>architecture you can dream of. This gets better modulated delays than<br>multi-effect boxes. Then I saw a spare output and two spare inputs on<br>the 3300, so I hooked my Lexicon PCM60 digital reverb up to it and<br>that was the magic combination I wanted.<br><br>Using the 3300 I can route direct signal to reverb, then process the<br>reverb tales with the 3300. Or reverb in parallel with delays. Or<br>series. Add predelay to the reverb send. Or multiple predelay each<br>to different delay times. World of sounds with this combination.<br>Enough that I built seven sets of these for my synths for independent<br>processing.<br><br>MC<br><br>On 3/22/21, cheater cheater <cheater00social@gmail.com> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;"> let's enumerate some of the possibilities:<br><br><br> voice 1: vco1 -> (a1) -> vcf1 -> (b1) -> vca1 -> (c1)<br> voice 2: vco2 -> (a2) -> vcf2 -> (b2) -> vca2 -> (c2)<br> ...<br> voice n: vcon -> (an) -> vcfn -> (bn) -> vcan -> (cn)<br><br> at a1, you want to have one of a few things:<br><br> (i) a convolution engine that takes the output of vco1, applies an IR,<br> and puts it into the input of vcf1<br> (ii) same as (i) but the input is all vcos (1..n) and the output is vcf1<br> (iii) same as (i) but the output is all vcfs (1..n)<br> (iv) same as (i) but the input is the last few notes you played in<br> decreasing order: 1/2 * the vco from the most current note + 1/4 * the<br> vco from the previous note + 1/8 * the vco from the note previous to<br> that etc<br> (v) same as (iv) but you do that with the outputs<br> (vi) same as (i) but there's also input from b1 or c1<br><br> then you want the same topology at b and c<br><br> They're all obviously going to have different results and different<br> applications.<br><br> And obviously you can think about all sorts of dsp in here, not just<br> convolution, and when it comes to convolution, then not just reverb.<br><br> On Mon, Mar 22, 2021 at 7:03 PM Mike Bryant <mbryant@futurehorizons.com><br> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #ad7fa8; padding-left: 1ex;"><br> Thought I'd change the topic name as we're definitely moving away from<br> cheap.<br><br> So given a polyphonic synth with unlimited voices and unlimited budget,<br> what should the structure of an ideal reverb system look like ?<br><br> Once there's a consensus I'll try coding it into my digital synth.<br><br><hr><br> Synth-diy mailing list<br> Synth-diy@synth-diy.org<br> <a href="http://synth-diy.org/mailman/listinfo/synth-diy">http://synth-diy.org/mailman/listinfo/synth-diy</a><br> Selling or trading? Use marketplace@synth-diy.org<br></blockquote><hr><br> Synth-diy mailing list<br> Synth-diy@synth-diy.org<br> <a href="http://synth-diy.org/mailman/listinfo/synth-diy">http://synth-diy.org/mailman/listinfo/synth-diy</a><br> Selling or trading? Use marketplace@synth-diy.org</blockquote><br><hr><br>Synth-diy mailing list<br>Synth-diy@synth-diy.org<br><a href="http://synth-diy.org/mailman/listinfo/synth-diy">http://synth-diy.org/mailman/listinfo/synth-diy</a><br>Selling or trading? Use marketplace@synth-diy.org<br></pre></blockquote></div></body></html>