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Using Envelopes to trigger STO
#1
Hey guys!

 I just got a Nerdseq, but I'm still a "newbie" and there are things I can't understand yet.
One thing is, I'm able to use an envelope on the Nerdseq on one of my voices, like Plaits - I trigger it on the 'trig' input and then send an envelope to the internal VCA on Plaits using the MOD output on the Nerdseq - works perfectly.

Now I'm trying to do the same but this time using STO - which doesn't have an internal VCA. I do have an external VCA (Veils) but to have an ADSR envelope from Nerdseq triggering the STO, what should I patch? Where do I patch the 'trigger' output? to the Veils CV in? but then how can I use an ADSR Envelope from Nerdseq?
I was able to patch 'trigger' to one of the CV's in's on the Nerdseq, and then 'MOD' to the Veils - it worked, but I have to sacrifice 1 CV input on the Nerdseq.

My guess is that it's something to do with 'Source' of the Envelope - what should I set it to?
Can the Nerdseq generate a 'virtual' trigger so that the envelope triggers when there is a gate on the sequence (even if not patched)?

I'm sure there is something I'm missing, I would appreciate if you could help me understand it  Big Grin

Thank you very much,

Cheers!

-Nico
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#2
You could use the trigger signal to sync the STO, but that will not get you amplification. Setting the source of an envelope to "gate" for a specific channel will have any gate events on that channel trigger the envelope. You can see the different stages activate in the graphic representation of that envelope. If you set "destination" to mod out of the specific track and patch this output to your VCA, you will have amplification of the STO (if you patched it up to the VCA).

Alternatively you can patch the trigger output to an external envelope module, which can control a VCA. 

The advantage of using the Nerdseq's internal envelopes is in my opinion that you have control over every stage of the envelope per step, from the sequencer tracks. Plus you save on hp and money for envelope modules.
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#3
Exactly, the SOURCE defines where the envelope starts and stops. If you set it to Gate 1 for example , then it listens to the gate of track 1. Like when you play a note from track 1 then the gate is on and if there is no note then the gate is off. Gate On starts the envelope and gate off stops it. (In AD-SR Mode) Or just a gate on is enough to trigger the envelope.
You connect the envelope output (destination) with the CV input of the VCA. Then you could normally connect the output of the Oscillator into the input of the VCA. The output of the VCA is now your result letting the envelope controlling the volume of your oscillator within it's envelope shape.

NerdSEQ MOD -> VCA CV IN
Oscillator -> VCA In
VCA Out is the audio output you can use to listen to or for further processing.

Of course this is only one of the endless options. But thats the first simple patch. I suggest to check on your favourite video platform for some basic modular/eurorack patching videos to get a grip and understanding on that. And the NerdSEQ will take care for the sequences and modulations then :-)
PLEASE use the search function if something have been asked or discussed before.
Every (unnessesary) forum support means less time to develop! But of course, i am here to help!  Smile
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#4
(02-20-2021, 09:08 AM)Falafel Biels Wrote: You could use the trigger signal to sync the STO, but that will not get you amplification. Setting the source of an envelope to "gate" for a specific channel will have any gate events on that channel trigger the envelope. You can see the different stages activate in the graphic representation of that envelope. If you set "destination" to mod out of the specific track and patch this output to your VCA, you will have amplification of the STO (if you patched it up to the VCA).

Alternatively you can patch the trigger output to an external envelope module, which can control a VCA. 

The advantage of using the Nerdseq's internal envelopes is in my opinion that you have control over every stage of the envelope per step, from the sequencer tracks. Plus you save on hp and money for envelope modules.

Thank you!! Worked perfectly, I set the envelope source to gate 1 and patched the STO to a VCA.

Cheers!
-Nico
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#5
(02-20-2021, 09:52 AM)XORadmin Wrote: Exactly, the SOURCE defines where the envelope starts and stops. If you set it to Gate 1 for example , then it listens to the gate of track 1. Like when you play a note from track 1 then the gate is on and if there is no note then the gate is off. Gate On starts the envelope and gate off stops it. (In AD-SR Mode) Or just a gate on is enough to trigger the envelope.
You connect the envelope output (destination) with the CV input of the VCA. Then you could normally connect the output of the Oscillator into the input of the VCA. The output of the VCA is now your result letting the envelope controlling the volume of your oscillator within it's envelope shape.

NerdSEQ MOD -> VCA CV IN
Oscillator -> VCA In
VCA Out is the audio output you can use to listen to or for further processing.

Of course this is only one of the endless options. But thats the first simple patch. I suggest to check on your favourite video platform for some basic modular/eurorack patching videos to get a grip and understanding on that. And the NerdSEQ will take care for the sequences and modulations then :-)
Thank you very much, I was scared the Nerdseq would be too complicated for me, specially because I've never used a tracker before.
It's actually the opposite, very comprehensive and I'm loving it.
Cheers,
-Nico
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