Maybe you could give it a try yourself, Cerberus, and see if you run into any snags. I'm sure it helped to have read the whole of chapter 18 first, but in all, it wasn't that hard to figure out. I mean, I figured out how to make this work by just following the Reaper User Manual example called "Controlling FX Parameters on a Different Track" at bookmark 18.8. I've never tried to do one, but I might give it a shot if it's not too hard to learn.īut maybe one isn't really needed. I wonder if there's a video tutorial on how to make a video tutorial. wav file for the purposes I've been talking about. That's where you can find a download link to the dc offset. I was referred to a thread about something similar being done-but in regard to controlling fx parameters with automation envelopes as opposed to controlling with control surfaces in real time and such. I went to the #reaper chat channel to see if I could get some advice, and I got some. This was because the amplitudes of the white noise and the tone weren't steady enough. These worked well with the first parameter I tried it on, but there were problems with the next parameter. When I first tried this, instead of using the dc offset recording, I generated the audio for the control signal with the JS "white noise" plugin and the "tone generator" plugin. I've done this with only two parameters so far, and, while I ended up being really happy with the results, it took a lot of trial and error to get there. For instance, I found that setting up the Parameter Modulation settings was pretty tricky, so if anyone figures out some tips for that, let us know. So if anyone tries this and comes up with improvements and such, please share. Anyway, even if the upper limit is only three banks, considering I'm currently only using two live inputs, that would mean I could possibly control over twenty fx parameters if I wanted to. I seem to recall reading somewhere what that limit was, but I don't remember what it was. That limit may very well be solely up to the number of tracks Reaper can have. I don't know if there is an upper limit to the number of banks of eight you can scroll through and control. I've only begun to test the limits of this method, but as an example of its potential, my Zoom R16 has 'banks' that you can scroll back and forth through and that are capable of controlling at least three sets of eight Reaper channel faders. (Again, be sure to uncheck the Master/Parent Send boxes for those tracks as well). So then, once you have a Reaper channel fader controlling an fx parameter knob, you just control that Reaper channel fader with the corresponding control surface fader.Īnd for independent control of additional fx parameters, rather than needing more copies of the dc offset recording on other tracks, you can just set up sends from that one already created track to other 'fx parameter control' tracks. If anyone has any advice on this, please contribute) (You can ignore the part about adding a compressor plugin, although it may be worth considering the strategic placement of limiters or something as added protection for your speakers, because some on #reaper were talking about how dc offset signal might be hazardous to their health should enough of it get to them. You can basically just follow the example "18.8 Controlling FX Parameters on a Different Track" in the manual. (The signal gets sent to Parameter Modulation via the track channels.) I myself intend to use this for live performance and not recording, so I just loop (a-b repeat) on a portion of the file.) Of course you don't want that control signal to go to any speakers, so you'd want to disable (uncheck) the Master/Parent Send box in the i/o window for that channel. (The file *has to be playing back* in order to be able to adjust fx parameters. But if you play a recording of a dc offset signal, you have a very *steady* modulation signal, and thus the Reaper channel fader for the track that has the recorded dc offset file playing will be what controls the parameter knob. The knobs or faders (or whatever) of the plugin move as the volume from the recorded track or live input changes. You can do it with Reaper's "Parameter Modulation." In the Parameter Modulation examples from the manual, a live or recorded audio signal is what is used to modulate the parameter. the MCU type, as that's what the R16 is). I've figured out a way to control fx plugin parameters in Reaper with my Zoom R16 faders (and, I figure, with other control surfaces as well, esp. I've discovered a few new things since I first posted about this, so I've made changes accordingly: I posted a version of the following on another thread but was encouraged by some folks on the #reaper chat channel to start a new thread.
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