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

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Re: [xl7] polyphony question

2004-12-16 by erik_magrini@Baxter.com

Hey I was right, math really ISN'T my strong point.  :)

rEalm





"Aaron Eppolito" <synthesis77@...>
12/16/2004 12:13 PM
Please respond to xl7

 
        To:     xl7@yahoogroups.com
        cc: 
        Subject:        Re: [xl7] polyphony question



Actually, it's *2* keys, because a chorused voice with a 12th order
filter uses 4 voices, not 3.

"2 voices" x "2 12th order penalty" x "4 layers" x "3 linked" = 48
voices per note!

And no, they can't share the filter because one osc is panned left and
the other right, thus needing separate filter paths to keep the signals
separate.

-Aaron

--- erik_magrini@... wrote:

> 
> I mean 4 keys, math was never my strong point :)
> 
> Link three of these presets 
> together and you can only press 3 keys before running out of poly. 
> :)
> 
> 
> A chorused layer takes up twice the polyphony, because it utilises 
> two detuned oscillators.
> A layer with 12-order filter takes up twice the polyphony.
> So, a chorused layer with 12-order filter takes up 4 times the 
> polyphony? This always has been obvious for me, but yesterday I 
> thought that maybe, somehow the two oscillators are able to share the
> filter?
> Sorry if it's a stupid question, I just want to make sure.


 
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