Hi there. I've been using zebrify as a midi controlled effect a while lot recently (mostly for mts-esp compatible FM, filters, and comb resonators) and I've been doing more complex chains including multiple separate "lanes" that can be switched or faded between via midi (or any other mod source ), when, previously, i had generally just made a big old static mess of processing or maybe crossfaded chains that would all output through a single "VCA".
Anyway I noticed that, when an amp is modulated into negative territory, the signal comes back. I don't know if the new "negative signal" is actually phase reversed, but this is not generally the expected behavior for VCAs that aren't being used for sub audio frequency modulation.
To be clear, if I want VCA 1 to go to silence when cc1 is at it's maximum and the level of VCA 1 is set to 20, then I have to set the mod level from cc1 to -20 exactly. Any setting from 0 to -19.999999999 will leave some residual audible signal, and any setting from -21 to -10000000 will gradually add audible signal back in. I first noticed this with some envelope based turning down one VCA and another VCA up via the envelope follower and it took me a while to realize what was going on.
As I said you top, it's not the biggest deal or anything but it's not what I've come to expect from plug-in amplifier sections that aren't set up as audio rate amplitude modulators. So is this the expected/ intentional behavior? Is the "negative signal" actually reversed in it's polarity? If the signal is polarity reversed is there any chance of adding a "feedback" module with a unit delay or something that could make cool use of this polarity switching? If not is there anyway this behavior could maybe be switched off so that the amplitude just bottoms out at dead silent?
Thanks,
JJ
Anyway I noticed that, when an amp is modulated into negative territory, the signal comes back. I don't know if the new "negative signal" is actually phase reversed, but this is not generally the expected behavior for VCAs that aren't being used for sub audio frequency modulation.
To be clear, if I want VCA 1 to go to silence when cc1 is at it's maximum and the level of VCA 1 is set to 20, then I have to set the mod level from cc1 to -20 exactly. Any setting from 0 to -19.999999999 will leave some residual audible signal, and any setting from -21 to -10000000 will gradually add audible signal back in. I first noticed this with some envelope based turning down one VCA and another VCA up via the envelope follower and it took me a while to realize what was going on.
As I said you top, it's not the biggest deal or anything but it's not what I've come to expect from plug-in amplifier sections that aren't set up as audio rate amplitude modulators. So is this the expected/ intentional behavior? Is the "negative signal" actually reversed in it's polarity? If the signal is polarity reversed is there any chance of adding a "feedback" module with a unit delay or something that could make cool use of this polarity switching? If not is there anyway this behavior could maybe be switched off so that the amplitude just bottoms out at dead silent?
Thanks,
JJ
Statistics: Posted by Ah_Dziz — Tue Mar 12, 2024 11:03 pm — Replies 0 — Views 37