How many resonant filters does an XW have?

[BrettM]

A: Only one, the one in the solo synth.

 

That's the standard answer according to the specs, but read on.

 

Set up a Performance with a bright tone in zone 1, e.g., Saw Lead 3. While still editing the Performance, set knob 1 to cutoff (CC74), knob 2 to attack (CC73), knob 3 to release (CC72), and knob 4 to resonance (CC71). Then set the arpeggiator to the Up arepeggio, or use the one-step arpeggio that I recommend (http://www.casiomusicforums.com/index.php?/topic/7617-whats-the-point-of-a-one-step-arpeggio/). Next, press a key and adjust attack and release until it's sounding a fairly constant tone. I usually set attack to maximum and increase release until the stutter reduces to a minimum.

 

Now comes the interesting part. Sweep cutoff. You can hear the filter opening and closing as expected. Now sweep resonance. This also sounds like a filter sweep on my G1, but resonance is not supposed to be implemented on a PCM tone. Set resonance to minimum and sweep cutoff, set resonance to maximum and sweep cutoff. It's fairly subtle, but it could be a resonant filter sweep. Is it just the low byte of the internal cutoff paramater; or simulated, pseudo-resonance; or the real thing? 

 

[BrettM]

On further scrutiny, I think this resonance effect is really just cutoff, either that or a bug in my G1. Odd that there are two ways to control cutoff, maybe it's so midi files that manipulate resonance have some effect on the tone, even if it's via cutoff. So I think there is really only one resonant filter after all.