Emu XL-7 & MP-7 User's Group

Yep, Q is note on.  I posted a long time ago about "faking" Q with a duplicate layer.  Simply duplicate the layer you like, turn Q all the way up on one and down on the other.  Then, route a controller to volume on the one with high Q, essentially fading in the Q layer with the knob.  Sounds really good.


We had a test build that tried to do realtime Q on the E4, but it was pretty glitchy sounding.  In a nutshell, the filter chips only have one interpolator, meaning you either get realtime Fc or realtime Q.  To do both, you have to continuously pound the chip with new filter coefficients and use the interpolator to slam between the two.  It doesn't work so well in practice - there were a lot of glitches and filter instability.


And, to answer your original question, yes, you can have 4 different layers with 4 different filter knobs.  SImply unhook the default knob assignment for the knob you want to use, then hook one per layer to the parameter you want to control.


-Aaron

----- Original Message ----
From: malik <malik_martin@...>
To: xl7@yahoogroups.com
Sent: Sunday, October 28, 2007 9:10:33 PM
Subject: [xl7] Re: Filter question


looks iike i accidentally added myself to a thread from 2001, that
answers my second question. too bad that never got fixed(or upgraded).

--- In xl7@yahoogroups.com, "malik" <malik_martin@...> wrote:
>
> i just noticed something about my quick edit Res knob. It's not
> changing Q in realtime!!! I haven't noticed this before! If i'm
> holding a note. and i mess with it. nothing happens until i release
 it
> and press again. then i can hear the result.
> 
> is this a setting?
> 
> --- In xl7@yahoogroups.com, "malik" <malik_martin@> wrote:
> >
> > Hi,
> > Recently read something arron was posting about synthesis and
 decided 
> > to put my programming fingers down for a day or two and get
reaquainted.
> > so anyway, i'm individualy messing with wavforms on different
 layers 
> > and was wondering. if i have 4 different waveforms with 4 different
 
> > filters, could i use the quick edit knobs to define cutoff for all
 4 
> > diff filters?



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