Very quick es2 modulation question – Forum Post & Discussion Thread : macProVideo.com

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yan
Posts: 44

Joined: Jul 11th, 2008, 12:15

Very quick es2 modulation question

Dec 14th, 2010, 03:30

In the ES2 I have a basic sound, and one source to target modulation. Where ENV2 is modulating Cutoff 1 (to give an example). If the green triangle gauge in the router section is 1.00, ENV2 is modulating cutoff1 fully. Though if the gauge is set -1.00 does this have the opposite effect? Is it the inverse of the positive (e.g.1.00)? I've seen the very good video and read the manual, this is just one of those overriding questions I have about it. Thanks
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Hamish H
Posts: 307

Joined: May 4th, 2009, 02:29

Re: Very quick es2 modulation ques...

Dec 14th, 2010, 02:00

Hi Juno My understanding is that when you modulate at -1.00 the intensity is the same (100%) but the envelope (or modulator) is upside down/reversed. In your example, ENV 2 is modulating cutoff. Say you have a slow attack that lasts half a second. If modulation is set to +1.00, the cutoff will slowly open over half a second. If you set the modulation intensity to -1.00, the cutoff will close instead, in exactly the same time. Same goes for decay, sustain, release etc. At +1.00 the decay would close the cutoff again, at -1.00 it would open it. Try it using a sawtooth LFO set at a really slow rate, and set it to modulate the pitch of OSC1. You can hear the difference quite clearly as the wave is flipped upside down. Hope that helps! Hamish
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yan
Posts: 44

Joined: Jul 11th, 2008, 12:15

Re: Very quick es2 modulation ques...

Dec 16th, 2010, 10:03

Hi Hamish, "My understanding is that when you modulate at -1.00 the intensity is the same (100%) but the envelope (or modulator) is upside down/reversed." Thanks for that, I get it now. I noticed that with the second sawtooth LFO. When it was -1.00 negative, it sounded just the third sawtooth LFO would when the third LFO is in the postive and vice-versa. Just like you said, reversed/upside down.
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