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Solved How can I run 2 outputs (L,R) through a filter?

Discussion in 'REAKTOR' started by Daniel Esrich, Apr 20, 2020.

  1. Daniel Esrich

    Daniel Esrich New Member

    Messages:
    7
    Hi, everyone

    I'm new to Reaktor and have been building a simple synth as part of my Uni work, but I have got stuck on this one part and desperately need some help to move forward.

    I've created some voice unison controls within my oscillator macro which looks like this:

    Annotation 2020-04-20 153547.jpg

    I was using a standard mixer before and had to change it to a stereo mixer to have stereo spread on the voices, consequently, my oscillator now
    has two outputs, Left and Right. here is the instruments overview:

    Annotation 2020-04-20 143110.jpg

    My Osc macro (Top Left) needs to run through the filter and then into the mixer. Does anyone know a solution? It's probably quite simple.

    Any help would be amazing, Thanks
     
  2. EvilDragon

    EvilDragon Well-Known Member

    Messages:
    19,938
    Run the oscillator directly into the mixer, then put two filter macros directly after the mixer. Or edit that single filter macro so that it has two inputs and two outputs, and within it all controls would hook up to the duplicated filter so that it works in stereo.

    I also suggest don't use the button to disable filter envelope, that's really not necessary.

    You should also have the amp envelope in the end, not at the beginning going into the oscillator. Oscillator should just generate constant amplitude.
     
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  3. Paule

    Paule NI Product Owner

    Messages:
    7,555
  4. Daniel Esrich

    Daniel Esrich New Member

    Messages:
    7
    Thanks for the response! When you say to run the oscillator into the stereo mixer do you mean like this?

    Annotation 2020-04-22 134536.jpg

    Also, I don't fully understand creating 2 additional inputs and outputs in my filter macro, could you give a little bit more detail? If it helps this is my macro

    Annotation 2020-04-22 134925.jpg

    Thanks a lot if you can respond to this, I'm on a deadline to produce a synth and can't find any resources online for this specific problem.
     
  5. EvilDragon

    EvilDragon Well-Known Member

    Messages:
    19,938
    No, I mean, run the oscillator into the mixer (doesn't have to be stereo), then into filter.
    Code:
    OSC 1 \
           MIXER -> FILTER  -> MULTIPLY -> VOICE COMBINE -> OUTPUTS
    OSC 2 /         AMP ENV /
    

    For simplicity you should not bother with stereo here, I think.


    Input for oscillator amplitude (A input) should just be a constant of 1.
     
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  6. Daniel Esrich

    Daniel Esrich New Member

    Messages:
    7
    Yeah, you are probably right, I won't try and use stereo spread right now. The last thing concerning the voices, when I increase the number it gets extremely loud, is there a simple method to prevent this?
     
  7. EvilDragon

    EvilDragon Well-Known Member

    Messages:
    19,938
    I suggest keeping it at sane number (say 8, maybe 12), and for the rest this is why you have the Master volume slider :)
     
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