Xpantastic!

I would love to hear some examples of this. Do you have anything you can post to 
demonstrate this or any other neat Xpander only type patches? Your knowledge of the 
machine seems very deep.

Stephen


--- In xpantastic@yahoogroups.com, PeWe <ha-pewe@...> wrote:
>
> Hi !
> 
> Try to look at the "track generator" device as a tool to manipulate 
> values of outputs of other devices you select as an input for the 
> tracking generator.
> The input device can be nearly anything available in the Xpander and the 
> results can be very obvious or subtle in dependence of what the input 
> device is.
> You see 5 values in the TG, 0 / 15 / 31 / 47 / 63 which represent a 
> linear curve which means there´s no manipulation of the input value at all.
> In fact a TG "re-scales" any modulation scale appearing at the input of 
> the TG.
> 
> Example:
> Input is keyboard ( the keyboard of a Matrix 12 is 5 octaves keyspan )
> Each value ( see above) of the TG represents one of the octaves of a 
> 61-key keyboard ( lowest note pitch is 0 and highest note is 63 ),- so, 
> if you would reverse the values in the TG ( 63 / 47 / 31 / 15 / 0 ) as a 
> result the keyboard is reversed.
> 
> There are more examples,- use a LFO for pulse width modulation of an 
> oscillators square waveform by selecting the desired LFO as input for 
> the TG and the TGs output as a modulation source of the modulation 
> destination OSC1 (and or 2) pulse width. This can be done by selecting 
> the TGs output as a (+) positive modulator of PW in Osc1 and (if you 
> like) as a (-) negative modulator of PW in OSC2.
> Normally in this case, you adjust the pulse widh of OSC 1 and 2 to 
> slightly different positive and negative values in the OSC section, 
> let´s say -13 in OSC1 (modulate this w/ the (+) pos. output of the TG) 
> and +16 in OSC2 ( modulate this w/ the (-) neg. output of the TG).
> By fine adjusting the LFOs frequency rate and the amount of the 2 
> modulation sources ( TG pos. and TG neg.) you´ll find your desired pulse 
> with modulaton effect for a specific range of the keyboard but might not 
> be satisfied w/ this sound in other keyranges.
> NOW, changing the 5 values of the TG will change the amount of PWM 
> across the keyboard depending on the values you adjust in the TG.
> In addition, you can do this w/ the speed of the LFO too by using a 2nd 
> TG, resulting in different LFO speeds modulating PW of the OSCs across 
> the keyboard.
> More complex is to use different LFOs to modulate PW of the OSCs 
> separately and to use 1 TG for the amount of modulation across the 
> keyboard and 2 TGs to control the mod speed of the 2 LFOs separately and 
> change the speed across the keyboard.
> This is a great tool for pads b.t.w..
> 
> You can also scale the behaviour of wheels/levers and or footpedals 
> /continuous controllers, filter cutoff and/or resonance, envelope times 
> and so on. It´s endless possibilities ...
> 
> The Xpander is a half modular complex machine and it´s very important 
> you have a imagination of sound before you start programming.
> With modulation sources and destinations, their values and manipulation 
> of these values, the sound of the Xpander/ Matrix12 starts to live. It´s 
> a modulation monster.
> You have to know what the components in this machine do and the manual 
> is sometimes too much theory.
> The only way to learn is experimentation w/ these components over a 
> longer period of time as also using your ears.
> The other way around is looking for factory patches which use TGs, 
> analysing the modulations routing, switching things off and on again and 
> trying to find out what happens and why by listening.
> 
> Do you have other synths incl. stored patches ?
> Try to reprogram these by using the Xpander.
> 
> I learned programming the Xpander by reprogramming of some beloved 
> patches of my former OB-8 because I didn´t want to miss these and I also 
> re-programmed patches from the Matrix 1000 w/ the Xpander.
> 
> But I´ve also seen people selling their Xpander shortly after purchase 
> because they weren´t satisfied w/ the factory patches and because they 
> were to lazy or had no time to experiment w/ this machine.
> 
> Long post and eventually hard to understand, but to explain it in more 
> detail would fill pages.
> I own my Xpander since ~ 20 years and I always find new possibilities up 
> today.
> 
> 
> 
> mattvrazo schrieb:
> >
> > Thanks-both those examples are helpful. I have read the manual, but
> > alas, they only give one or two examples and despite reading again, I
> > didn't really get the big picture regarding inputs vs. sources.
> >
> > For the first example-LFO speed doubling via the TG: Am i using the
> > LFO1 as INPUT, and the speed of LFO1 as the source?
> >
> >
>