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Author Topic: Envelopes seem more like ASDSR than ADSR  (Read 964 times)

Ruari

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Envelopes seem more like ASDSR than ADSR
« on: June 25, 2012, 06:14:22 pm »
Hi

Last week I bought myself the Dr Bobs Collector Pack & have been getting to grips with the amazingly brilliant Moog Modular V ever since, whilst familiarizing myself with it I've ran into some strange envelope behaviour & I'm not sure if it's intentional or there is something that I'm not doing correctly. I've searched the forum & found a similar thread from a few years ago but the problem doesn't really seem to get addressed in it.

Anyways, what I'm seeing is that the envelopes seem to behave more like ASDSR than ADSR. What I mean is that when the envelope gets to the end of the attack phase it kind of sticks on full for a short while before starting the decay phase, like this /‾\

What I'd like to be able to do is have the decay phase start as soon as the attack phase is finished, like this /\

I'm running Moog Modular V 2.6.1 on Mac OS 10.6.8 & this happens if I'm running stand alone or as an AU inside Logic

Any ideas?

Larsaf

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Re: Envelopes seem more like ASDSR than ADSR
« Reply #1 on: July 16, 2012, 03:00:55 pm »
Hi,

the Out-ADSR have an additional Slope Stage.

regards
Klaus
V-Collection
Intel I7 PC 24 GB RAM, 3 x 24" Monitors, Win 7/64, Cubase

Ruari

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Re: Envelopes seem more like ASDSR than ADSR
« Reply #2 on: October 26, 2013, 04:05:28 pm »
Holy thread resurrection, Batman!!

It's not the Output envelopes I'm referring to - although they do display the same ASDSR properties, it's the modulation envelopes that I have an issue with.

A quick example of what I mean is if you start from the blank synth template, connect up a square wave from oscillator 1 to the filter 1 input, connect filter 1 output to vca 1 input, raise vca 1 sustain to full, raise filter 1 resonance to about 15. Now connect mod envelope 1 output to filter 1 mod input 1, change mod amount to about 0.35. Set env 1 attack time to about 200ms, env 1 decay time to about the same, release and sustain to lowest possible setting.

When you play a key, you can clearly hear the attack phase of the envelope then a sustain before it decays, if you vary the attack and decay times you will still hear a sustain period which changes in length depending on the settings.

If you compare what happens with the envelope to what happens when you use a triangle lfo set to 1Hz, with the triangle you get a clear up and down with no sustain (if you are only hearing a downward sweep, make sure to set the lfo PWM width to 0.50)- the only trouble is it doesn't seem possible to control the starting phase of the lfo, otherwise I could use this as a workaround.

 

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