Doepfer

Hi Bakis, 

Actually it's not....and I thought this was gonna be an easy one ;-)

The basic idea would be to use the A-108 as a 'template', but I think 
we would have to vote seperately about the filter (sliders doesn't 
seem a realistic option to me).

See also this site:
 
http://www.emulatorarchive.com/AM/AnalogArticles/ARPFilters/arpfilt
ers.html  

The most popular choices are probably the 4012 and the 4072/75


By the way, I will also write down some details about a 
scale/arpeggio module as soon as I have more time

Greetings

Anton

On 8 May 2006, at 15:10, Bakis Sirros wrote:

> hello michael, anton,
> so, the "classic" ARP filter is the 4012?
> regards,
> Bakis.
> 
> 
> --- "Michael O." <megathlon2000@yahoo.se> wrote:
> 
> > I wouldn't mind a filter like the 4012.. I got an
> > ARP2600 with that
> > filter, and that's awesome! I have no other filter
> > that's near that
> > one.. (And I have a few options to choose from)
> > 
> > /Michael
> > 
> > --- Anton Coops <dubshot@xs4all.nl> skrev:
> > 
> > 
> > ---------------------------------
> > Hi Bakis,
> > 
> > You're right, this is very important, I was
> > referring to the 'classic'
> > Arp 
> > filter that was used in the later Odysseys and the
> > Axxe from 1975 or 
> > so, and probably it should be *without* the design
> > flaw that 
> > originally cut off frequencies above 11 kHz. 
> > 
> > Greetings
> > 
> > Anton 
> > 
> > On 8 May 2006, at 10:42, Bakis Sirros wrote:
> > 
> > > hello anton,
> > > i'll wait for your detailed explanation regarding
> > your
> > > future module suggestions before i make polls
> > about
> > > them.
> > > regarding the ARP filter module: which ARP filter
> > > should this module be modeled around?
> > > regards,
> > > Bakis.
> > > 
> > > 
> > > 
> > > 
> > > --- Anton Coops <dubshot@xs4all.nl> wrote:
> > > 
> > > > > > > quality is very high, but more than 500 $
> > is
> > > > quite expensive.
> > > > > > and by the way: I saw, that the cwejman EQ
> > does
> > > > not continuously add 
> > > > > or 
> > > > > > subtract the corresponding band asyou would
> > > > expect it from a mixing 
> > > > > > console's EQ. You have to switch between add
> > or
> > > > subtract. So it is 
> > > > > > assumingly nothing else than a A127 plus
> > > > inverters for the original 
> > > > > mix 
> > > > > > (incl. the switches 5 Euro of material).
> > > > > > 
> > > > > > It should be a very simple addon package
> > (one
> > > > TL064, eight resistors, 
> > > > > > three switches) which would modify the A127.
> > > > > > 
> > > > > > Florian
> > > > > >
> > > > > 
> > > > > 
> > > > > well, yes, and i guess you also need some
> > vca's
> > > > for
> > > > > voltage-control of bandwidth and level per
> > filter.
> > > > > 
> > > > 
> > > > Hello Florian, Ingo,
> > > > 
> > > > Sounds like a good idea for an a-127 expansion
> > > > module to me! 
> > > > 
> > > > I agree with Ingo that the ideas that are not
> > yet
> > > > finished should not 
> > > > be forgotten, but at the same time it';s fun to
> > > > think of new modules, 
> > > > so I actually have several ideas (sorry :)
> > > > 
> > > > 1. A second A-108, but this time arp-style
> > > > 2. Equal Temperament Quantizer that does
> > different
> > > > ET's 
> > > > 3. Timbral Quantizer that can derive (dynamic,
> > real
> > > > time) scales 
> > > > from timbres from vco-type modules, like a
> > custom
> > > > made sinus 
> > > > bank, fm-operator, or a custom ring modulator. 
> > > > 4. (See 3.) Some oscillators or sound sources
> > that
> > > > would be 
> > > > specially built to work togethjer with the
> > timbral
> > > > quantizer, so you 
> > > > don't need to do Fourier analysis to derive a
> > scale
> > > > from a timbre, but 
> > > > you can derive the spectral information you need
> > > > from the settings 
> > > > of the sound source using some (digital)
> > > > mathematics.
> > > > 5. expansion-module for both quantisers (maybe
> > even
> > > > for the a-156) 
> > > > for creating custom scales and arpeggio's
> > > >    
> > > > I'll write down more about idea's 2-5 as soon as
> > > > possible
> > > > 
> > > > Greetings
> > > > 
> > > > Anton
> > > > 
> > > 
> > > 
> > > Bakis Sirros - Parallel Worlds
> > > [Doepfer_a100] group owner
> > > http://www.parallel-worlds-music.com
> > > http://www.myspace.com/parallelworldsmusic
> > > http://www.shimarecords.co.uk
> > > http://www.rubber.gr
> > > Athens-Greece
> > > 
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> Bakis Sirros - Parallel Worlds
> [Doepfer_a100] group owner
> http://www.parallel-worlds-music.com
> http://www.myspace.com/parallelworldsmusic
> http://www.shimarecords.co.uk
> http://www.rubber.gr
> Athens-Greece
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