hello levka,
4bits would make 16 different combinations/values
(notes, in our case ), and 6bits would be 64 different
combinations/values. (its all powers of 2)
regards,
Bakis.




--- levka0 < levka@... > wrote:

> Many thanks Florian !
>
> This is a very clear explanation to me.
>
> So for a 6 bit buffer, 32 adresses would be scanned
> an their order
> could be remapped according to a certain control
> voltage
> Reminds me of a wavetable.
> Instead of the usual up/down/up+down order, this
> would mean an almost
> infinite number of patterns (that is, if all 32
> adresses are filled)
> Probably 4 bit (8 notes ) should be enough and
> would keep this
> feasible regarding the number of possible sequences.
>
> I think this could be a very interesting & exciting
> concept for a module.
>
> Best regards
> Joost
>
>
>
>
> --- In Doepfer_a100@yahoogroups.com , Florian
> Anwander
> <Florian.Anwander@...> wrote:
> >
> > Hi Levka
> >
> > > I do not yet understand completely what Florian
> means by this;
> > > Florian; Could you perhaps elaborate a little on
> this
> > Ok, but it will be a little bit longish...
> >
> > Originally an arpeggiator as in Roland Jupiter
> Series, in SH101 or in
> > the Korg Monopoly/Polysix was a simply "misusage"
> of the keyboard
> > scanning electronics. The keyboard of these synths
> is like a matrix
> > scanner. The electronics send addresses (usally
> 6Bit) in a certain
> order
> > to this matrix, read the data (=pressed keys) from
> this matrix into a
> > buffer, and distribute these (key-)data from the
> buffer to the sound
> > generation.
> >
> > Usually this reading from the buffer is very(!)
> fast (at some hundered
> > kHz rate). For arpeggiating the buffer is simply
> read slowly at the
> rate
> > of the (internal or external) clock of the
> arpeggio.
> > So at each trigger of the clocksignal provides the
> next key data to the
> > sound generation.
> >
> > For up, down, up/down arpeggios you simply change
> the way the matrix of
> > the keyboard is addressed. whether the adresses
> are counted up or down
> > or....
> >
> > This is the classic arppeggio function in basic.
> >
> > Now you may imagine, that it would be great to
> have influence on the
> > address data of the keyboard scanner. Example:
> normally the order of
> the
> > notes are
> > adresse 000 001 010 011 100 101 110 111 (order=
> a0 a1 a2)
> > notes c c# d d# e f f# g
> > If I press a c-major the order of the notes in the
> buffer will be
> > "c e g". A c-sus9 will be "c d f g"
> >
> > Now i simply invert adress a1:
> > adresse 010 011 000 001 110 111 100 101
> > notes d d# c c# f# g e f
> > Now the order of the notes in the buffer (and the
> order of an arpeggio)
> > will be "c g e". The c-sus9 is now "d c g f"
> >
> > You see that a simple conversion of the address
> data does create
> > complete new arpeggio patterns. Imagine what is
> possible, if you do
> such
> > conversion depending on other sequencings, on
> states of some
> > controlvoltages or what ever...
> >
> >
> >
> > I know, that a MIDI based arpeggiator system would
> have to simulate
> > this, but I think, it would be worth the effort
> :-)
> >
> >
> >
> > Florian
> >
>
>
>
>
>
>

Bakis Sirros - Parallel Worlds
1 group owner
http://www.parallel-worlds-music.com
http://www.myspace.com/parallelworldsmusic
http://www.shimarecords.co.uk
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Athens-Greece

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