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Subject: Re: [AN1x] A 'glitch' at the beginning of the VCA attack!?!?!?

From: Pete Nalda <lpnalda@...>
Date: 2006-09-14

On Sep 13, 2006, at 10:18 AM, Rob Hill wrote:

> Thanks for the response but it seems to be more noticable on
> bassier sounds and dissapears when the VCF is turned all the way
> down so its something before the filter or the filter itself perhaps.
> It can be solved by softening the main VCA attack but I'd like to
> know why its happening in the forst place.
> The same thing happens in mono mode so its not running out of
> polyphony.

Ok, now I've noticed this in a lot of synths, and not just the an1x,
if you have the VCA's volume up to 127 it seems to pop at the
beginning of the note. I've solved this by not having it up to 127,
and if it still seems low, then I'll leave it high and just roll off
the attack just a tiny bit. But generally having the VCA not at 127
seems to help in most cases.
>
> :-S
>
>
> Jon <jondl_2000@...> wrote:
> --- In AN1x-list@yahoogroups.com, Rob Hill <m_moog8925@...> wrote:
>> Has anyone noticed a glitch at the beginning of the attack (set
>> at 0) with the AN1x?
>
> No, perhaps somebody else has...
>
>> I remember this happened with the DX7 as a result of the start
>> of the wave resetting at
> the same point every time the key triggered. There was a setting
> in the DX7 that would
> have the waveform drift free and avoid the effect.
>> Is there some way of getting round this with the AN1x or have I
>> overdone the feedback
> or something?
>>
>
> Might be too much Feedback in the VCA ;-) or it might be you have
> LFO Reset set to
> KeyOn and the value for LFO Speed or Depth are way too high for
> the sound you are
> aiming for.
>
> Regards,
>
> Jon
>
>
>
>
>
>
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"Egun On, Lagunak!" (Basque for G'day Mates)
Pete Nalda