Old 05-01-2018, 11:18 AM   #1
sound warrior
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Default ADSR envelope for audio tracks?

hi everyone thanks for all your help with my last post is there a simple ADSR envelope in either JS or VST that I can add to my audio tracks as an effect? thanks guys
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Old 05-01-2018, 11:18 AM   #2
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Why would you want to do that when you have volume automation on the track?
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Old 05-01-2018, 11:24 AM   #3
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Quote:
Originally Posted by EvilDragon View Post
Why would you want to do that when you have volume automation on the track?
well I'm want to use it for sound sculpting like the ADSR in reasamplermatic
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Old 05-01-2018, 11:26 AM   #4
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There's no such thing in Reaper per se - but you can use volume automation on the track to the same extent...
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Old 05-01-2018, 11:35 AM   #5
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I agree with ED that volume auto is probably the easy way to go.

However, if you want something a little more auto-matic, you might also try side-chaining a compressor to duck the track depending on why you want the audio tracks to move around (volume wise).
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Old 05-01-2018, 11:45 AM   #6
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https://forum.cockos.com/showthread.php?t=152382
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Old 05-01-2018, 11:51 AM   #7
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I'd probably go with automation items on the volume envelope

The Sculpto plugin seems like fun, http://www.stillwellaudio.com/plugins/sculpto/
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Old 05-01-2018, 11:59 AM   #8
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Or if you wanted to get really crazy you could route it through VCV Rack - lots of tasty ADSR options there (but probably overkill to set it up)
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Old 05-01-2018, 10:11 PM   #9
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1) An envelope generator is useless unless it modulates something. People seem to be assuming you're trying to modulate volume, but it could as easily be a filter or anything else.

B) An ADSR envelope requires a trigger. It needs to know when you want the attack to start and in most cases it also needs to know when you want the sustain to end.

III). I'd be willing to bet the JS ReaRack package (pretty sure it's in ReaPack) has at least a couple of options.
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Old 11-28-2018, 03:09 PM   #10
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The problem with automation is doing it for hundreds of notes can be tedious.
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Old 11-28-2018, 03:51 PM   #11
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What would you use as the trigger?

If you use the sound itself, then the release stage seems useless, because when the trigger turns off (e.g., when the sound ends), there's no sound left to fade out during the release stage.

You would need some kind of external trigger. Unless you play the trigger live (maybe a MIDI note), it seems like you would need to program in the trigger on/off events for each sound you want to modulate. Might as well just go with automation items if you're doing that.

It seems possible that you might be able to use a gate, and set the threshold so that when the sound drops below a certain level, then the gate closes. Some gates have a variable close time, so that you can use it like a release stage of an ADSR.
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Old 11-28-2018, 10:40 PM   #12
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You might want to take a look at ReaRack (available by ReaPack) which easily allows for creating automatic sound modification engines.

-Michael.
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Old 11-28-2018, 10:48 PM   #13
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You might try the JS Transient controller. It can't give you sustain after the audio ends, but it modifies the attack and sustain levels of what you feed it.

I use it to restore the attack sometimes when drum tracks come in with compression where the compression attack was too fast, and drum hit transients were killed.
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Old 11-29-2018, 05:36 AM   #14
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Quote:
Originally Posted by sound warrior View Post
hi everyone thanks for all your help with my last post is there a simple ADSR envelope in either JS or VST that I can add to my audio tracks as an effect? thanks guys
Yes there is, it's called ReaGate, it has ADSR and you can send MIDI to trigger it.
I'm impressed no one mentioned it.
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Old 11-30-2018, 12:00 AM   #15
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Yes there is, it's called ReaGate, it has ADSR and you can send MIDI to trigger it.
I'm impressed no one mentioned it.
It is the other way round. ReaGate can send out a MIDI message to trigger something, but cannot be triggered by incoming MIDI message.
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Old 11-30-2018, 01:06 PM   #16
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It is the other way round. ReaGate can send out a MIDI message to trigger something, but cannot be triggered by incoming MIDI message.
But if you run midi into ReaSynth, then send that audio into ReaGate on a second track, you can use it to shape the audio using the ADSR parameters of the gate.
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Old 11-30-2018, 06:19 PM   #17
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But if you run midi into ReaSynth, then send that audio into ReaGate on a second track, you can use it to shape the audio using the ADSR parameters of the gate.
Well, in this meaning, yes.
But it is not exactly like ReaGate "triggered" + "by MIDI". This solution uses a kind of middleman, eg. the ReaSynth, which have its own ADSR curve of the audio output and the solution is also volume (level of the audio trigger) dependant.
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Old 11-30-2018, 08:01 PM   #18
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Quote:
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but cannot be triggered by incoming MIDI message.
Sorry I was wrong but as you said you can send Reasynth(or any vst) signal to ReaGate auxiliary input.
Here is the setup:
https://stash.reaper.fm/34941/ADSR%20for%20Audio.rar
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Old 12-01-2018, 08:53 PM   #19
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Theoretically you could use ReaRack for this, although I haven't tried it. It's probably not the 'simple' solution the OP was looking for though. You would need the following ReaRack2 modules in the FX chain:

Audio<>MIDI (or Signal Processor from ReaRack3)
Trigger
Envelope Generator or Envelope Multi-tool
Amplifier (or Signal Processor from ReaRack3)

The Audio<>MIDI module is used to convert the envelope of the audio to a MIDI CC signal. The Trigger module is used to send out a MIDI note, triggered when the CC value exceeds a threshold value on the rising edge of the signal. The MIDI note triggers the envelope generator and the envelope generator modulates the amplifier volume.

Of course you are not just limited to modulating the volume, you can also use the envelope signal to modulate a filter. You could add in an LFO or another envelope generator to further sculpt the audio.
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Old 12-02-2018, 01:07 AM   #20
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Sometimes its really strange that the Reaper community discusses with passion and searches for solutions while the original poster seems to have no interest in this process.
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Old 12-02-2018, 02:07 AM   #21
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Sometimes its really strange that the Reaper community discusses with passion and searches for solutions while the original poster seems to have no interest in this process.
I know what you mean... However I really like these type of threads. I learn a LOT just following along.

Only reason I stumbled in is from having old ARP Axxe, back in late 70's and from them on I love things with ADSR.. One of those weird childhood things I guess...
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Old 12-02-2018, 02:21 AM   #22
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Originally Posted by Eliseat View Post
Sometimes its really strange that the Reaper community discusses with passion and searches for solutions while the original poster seems to have no interest in this process.
That may be is "strange" but definitely is just GREAT. Discussions in forums are not just for the benefit of the OP, but anybody who at any time might find the thread can benefit from any results worked out.

-Michael

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Old 12-02-2018, 03:06 AM   #23
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Quote:
hi everyone thanks for all your help with my last post is there a simple ADSR envelope in either JS or VST that I can add to my audio tracks as an effect? thanks guys

ello- ^yes+yes=yes.
keeping it simple = https://stash.reaper.fm/v/20673/midi2ccADSR.zip
values can be extended by typing in-or modifying the js itself. =)
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Old 01-24-2019, 02:20 AM   #24
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Having shamefully not experimented yet any of the above mentioned FX JS REAxxx parameterized effects, I'm still wondering,
with the candor of a newborn baby,
observing that for example a woodwin player attacks notes with different possible audible ADSR,
knowing that this phenomenon is supposed to be mocked in Midi:
Do I have to start worrying about it or are ADSR values already determined by and included in the articulations (staccato, legato ..) proposed by samples designers like Spitfire, Vienna ...
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Old 01-24-2019, 02:35 AM   #25
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midi?

hmmmmm... came across this, but have not tried it..

http://www.niallmoody.com/ndcplugs/midiadsr.htm



and just because...

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Old 01-24-2019, 05:00 AM   #26
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Quote:
Originally Posted by mschnell View Post
That may be is "strange" but definitely is just GREAT. Discussions in forums are not just for the benefit of the OP, but anybody who at any time might find the thread can benefit from any results worked out.

-Michael
It was of course a compliment. I didn't want to criticize but to show how great and busy this community is. For example: I asked in the VideoLan forums for support and help relating to my VLC video split extension. You wouldn't believe it: Only one person answered and does this moderation all alone. They may have millions, if not billions of users but nothing comparable to Reapers community. That's a fact!
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Old 01-24-2019, 05:28 AM   #27
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Quote:
Originally Posted by JaHe View Post
Having shamefully not experimented yet any of the above mentioned FX JS REAxxx parameterized effects, I'm still wondering,
with the candor of a newborn baby,
observing that for example a woodwin player attacks notes with different possible audible ADSR,
knowing that this phenomenon is supposed to be mocked in Midi:
Do I have to start worrying about it or are ADSR values already determined by and included in the articulations (staccato, legato ..) proposed by samples designers like Spitfire, Vienna ...
yes, the articulations already have different envelopes in the presets as this is usually a pretty integral part of the sound
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Old 01-24-2019, 07:20 AM   #28
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Quote:
Originally Posted by domzy View Post
yes, the articulations already have different envelopes in the presets as this is usually a pretty integral part of the sound
Happy to hear that ! Thank you
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Old 01-26-2019, 06:51 AM   #29
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Originally Posted by Bri1 View Post
ello- ^yes+yes=yes.
keeping it simple = https://stash.reaper.fm/v/20673/midi2ccADSR.zip
Has anyone got this working? It doesn't for me.
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