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

Sorry if this is OT, but what about the Ultra line of E-mu samplers? 
The latest EOS (3.71 IIRC) adds realtime Q, does it also 
cause "glitches and filter instability"?

--- In xl7@yahoogroups.com, Aaron Eppolito <synthesis77@...> wrote:
>
> 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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