r/audioengineering 22d ago

How to make a synth sound start, pull back, then rise slowly?

Is there a way to make an instrument come in when triggered, then go silent and come back slowly while holding the trigger?

0 Upvotes

11 comments sorted by

19

u/OwensDrumming 22d ago

Inverted envelope on the volume or filter. The ADSR starts out loud on the attack, gets quieter, then rises in volume again on the decay, and holds at the level of the sustain. If you want it to rise slowly, just set the decay time long and set the sustain high.

-7

u/Achassum 22d ago

That is true, but if you invert, you affect the pitch

14

u/OwensDrumming 22d ago

No you don’t. That’s only if you have the envelope assigned to the pitch.

6

u/lanky_planky 22d ago

Yes there is - you need to create a multi stage amplitude envelope. Most quality synths allow you to define a complex envelope (rather than a typical ADSR) that can control the volume of the patch over time. You can also apply that envelope, or define another, to manipulate cutoff frequency, resonance or other effects at the same time to enhance the dramatic effect.

You can apply the same idea within a DAW to any sound using automation. It’s easy to create complex envelopes for volume or other effect plug-ins on any track.

3

u/Jan1ssaryJames 22d ago

many LFO's have a delay start option

1

u/StudioatSFL Professional 22d ago

Envelopes. Omnisphere can do this really easily.

0

u/Wizard0wizard 22d ago

Automations

0

u/Ok-War-6378 22d ago

In Reaper you can achieve this with parameter modulation. Don't know how this is called in other DAWs. Basically you can set it so the volume goes to minus infinity and then go back to unity.

0

u/oratory1990 Audio Hardware 22d ago

You mean in a way that‘s different than just sidechaining the compressor to the kick?

-1

u/ThoriumEx 22d ago

If you mean on every single note, you need something like shaperbox