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

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Message

Re: Filter question

2007-10-31 by gutman75

Oops, I mean 4.71 . I installed it on E6400 Ultra, and haven't 
noticed any glitches - should I have?

--- In xl7@yahoogroups.com, "gutman75" <bgutman@...> wrote:
>
> 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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