From the original SynthMaker forum (2004–2014), with its members’ names and dates.
lesobrod ·
For to make sound of my synth more alive, uncommon, some low-CPU, light-weight stereo effects needed. I think about very simple code module with something like this:
streamin in; streamout L; streamout R;
float old;
L = in; R = (old + in)/2; old = in;
That very case is not interesting; it will be great if someone remember (or improvise) some simple (maybe with 1-2 parameters) code example... 😀
lesobrod ·
So... This example sounds like an expander with a bit distortion.
streamin in; streamout L; streamout R;
float old;
L = 2 * in - old; R = 2 * old - in; old = in;
infuzion ·
Have you checked out the maximum value range out of these? Just hooking up a Readout will not work, since it sample every 50ms or so; you'll need an Stream min/max thing that was in another thread recently. I'm suspecting that your output ranges from your Code will go outside [-1..+1] range.
lesobrod ·
Well I checked out 5 different sound streams; noise, sin, speach - no problem! Min, Max and Average levels of each Out exactly the same as In.
------I should be check it better 😠
lesobrod ·
Thanx infuzion, you are right! Simple arithmetic 😊 Here some new model of Simplest Stereo Expander. Mono input can be plug to both channels. For real rich Stereo it does nothing; but for Mono and old Stereo records I found it useful.
Parameter "k" should be from 1 to 10, highest values give no new effect.
streamin Lin; streamin Rin; streamin k; streamout L; streamout R;
float Lold,Rold;
L = (Lin + (k*Rold-Lold))/(k+2); R = (Rin + (k*Lold-Rold))/(k+2); Lold = Lin; Rold = Rin;
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