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

I'm a self confessed nube on the XL7 so please forgive me if this is an easy one. On my Virus B and MEK there are settings for the Potentiometers for adjusting how they react as they are changed. On my MEK I have pass through, relative and jump options for how the knobs affect the settings as they are turned. Does the XL7 have such options?

I am not familiar with the Virus B or MEK, so I cannot comment on comparisons. My instinct is to say no, you cannot program the actual knobs themselves. Like any CC control, they sweep from a minimum value to a maximum value as you turn the knobs clockwise. Lets say that's from 000 to 127 (or maybe from 0% to 100%). You cannot program >>the knobs<< to not do anything until it is turned 1/2 up from min and then go from value X to value Y. Nor can you program >>a knob<< to ignore its being turned until it reaches the last value it was on and then start affecting sound parameters.

That being said, in each preset (what other gear calls a patch), you can program the P2K >>synth engine<< to do all kinds of things with a whole bunch of parameter sources, destinations, and amounts. (Take a look at any P2K E-Mu box manual for a list of the patchcord sources and destinations.)

Globally, the knobs (MidiA --> MidiP) are assigned CC numbers. Then either internally (turning the knobs) or externally (sending midi data) you change the sound parameters as you have designed a preset using the virtual patchcords. (I believe there are some examples in the FAQs here (files section). Also, I seem to recall discussions of various programming ideas in the group's archives.) 

To take a simple example, you can assign MidiA to all 4 layers of a preset to FilterFreq with a value of +100. Or you can assign MidiA to all 4 layers with a value of -100. Or you can assign 2 layers a value of -100 and 2 layers to +100. (Yes, its a very super simple example.) 

This is an oversimplification, but I hope it shows the relationship between the 4 x 4 knobs and how they can be used for sound modification.

I hope this helps clarify what the knobs can and can't do. 

Steve


> 2013/1/23 igrovo 
> 
> > I'm a self confessed nube on the XL7 so please forgive me if this is an
> > easy one. On my Virus B and MEK there are settings for the Potentiometers
> > for adjusting how they react as they are changed. On my MEK I have pass
> > through, relative and jump options for how the knobs affect the settings as
> > they are turned. Does the XL7 have such options?
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>

Thanks Bruno and Steve for you responses. I will look into the patchcords that you both mention to see what I can do with those. The main reason I was asking is because as I'm playing a song and switching from changing the volume on the pots to changing the filter etc with the pots and then possibly even changing tracks as well I would like to have a smooth transition of values instead of the pot jumping to some possible extreme value. Since I don't see any way to read the value of a pot other than with the red led Bruno mentioned I don't know where the pot is in relation to the current value and as a result may make an extreme change in the value when only a slight one is needed.


--- In xl7@yahoogroups.com, "steve_the_composer"  wrote:
>
> I am not familiar with the Virus B or MEK, so I cannot comment on comparisons. My instinct is to say no, you cannot program the actual knobs themselves. Like any CC control, they sweep from a minimum value to a maximum value as you turn the knobs clockwise. Lets say that's from 000 to 127 (or maybe from 0% to 100%). You cannot program >>the knobs<< to not do anything until it is turned 1/2 up from min and then go from value X to value Y. Nor can you program >>a knob<< to ignore its being turned until it reaches the last value it was on and then start affecting sound parameters.
> 
> That being said, in each preset (what other gear calls a patch), you can program the P2K >>synth engine<< to do all kinds of things with a whole bunch of parameter sources, destinations, and amounts. (Take a look at any P2K E-Mu box manual for a list of the patchcord sources and destinations.)
> 
> Globally, the knobs (MidiA --> MidiP) are assigned CC numbers. Then either internally (turning the knobs) or externally (sending midi data) you change the sound parameters as you have designed a preset using the virtual patchcords. (I believe there are some examples in the FAQs here (files section). Also, I seem to recall discussions of various programming ideas in the group's archives.) 
> 
> To take a simple example, you can assign MidiA to all 4 layers of a preset to FilterFreq with a value of +100. Or you can assign MidiA to all 4 layers with a value of -100. Or you can assign 2 layers a value of -100 and 2 layers to +100. (Yes, its a very super simple example.) 
> 
> This is an oversimplification, but I hope it shows the relationship between the 4 x 4 knobs and how they can be used for sound modification.
> 
> I hope this helps clarify what the knobs can and can't do. 
> 
> Steve
> 
> 
> > 2013/1/23 igrovo 
> > 
> > > I'm a self confessed nube on the XL7 so please forgive me if this is an
> > > easy one. On my Virus B and MEK there are settings for the Potentiometers
> > > for adjusting how they react as they are changed. On my MEK I have pass
> > > through, relative and jump options for how the knobs affect the settings as
> > > they are turned. Does the XL7 have such options?
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> >
>

Better to use the programmable settings for the knobs, then assign the 
functions you will use in the same song to different knobs.
Of course you still may have the problem that the knob starts at a 
different position than the parameter you want to control.
I deal with this by always using them for volume and always starting at 
zero. I control filters and other parameters from the knobs on my keyboard.

On 1/24/2013 3:58 PM, igrovo wrote:
>
>
>
> Thanks Bruno and Steve for you responses. I will look into the 
> patchcords that you both mention to see what I can do with those. The 
> main reason I was asking is because as I'm playing a song and 
> switching from changing the volume on the pots to changing the filter 
> etc with the pots and then possibly even changing tracks as well I 
> would like to have a smooth transition of values instead of the pot 
> jumping to some possible extreme value. Since I don't see any way to 
> read the value of a pot other than with the red led Bruno mentioned I 
> don't know where the pot is in relation to the current value and as a 
> result may make an extreme change in the value when only a slight one 
> is needed.
>
> --- In xl7@yahoogroups.com <mailto:xl7%40yahoogroups.com>, 
> "steve_the_composer" wrote:
> >
> > I am not familiar with the Virus B or MEK, so I cannot comment on 
> comparisons. My instinct is to say no, you cannot program the actual 
> knobs themselves. Like any CC control, they sweep from a minimum value 
> to a maximum value as you turn the knobs clockwise. Lets say that's 
> from 000 to 127 (or maybe from 0% to 100%). You cannot program >>the 
> knobs<< to not do anything until it is turned 1/2 up from min and then 
> go from value X to value Y. Nor can you program >>a knob<< to ignore 
> its being turned until it reaches the last value it was on and then 
> start affecting sound parameters.
> >
> > That being said, in each preset (what other gear calls a patch), you 
> can program the P2K >>synth engine<< to do all kinds of things with a 
> whole bunch of parameter sources, destinations, and amounts. (Take a 
> look at any P2K E-Mu box manual for a list of the patchcord sources 
> and destinations.)
> >
> > Globally, the knobs (MidiA --> MidiP) are assigned CC numbers. Then 
> either internally (turning the knobs) or externally (sending midi 
> data) you change the sound parameters as you have designed a preset 
> using the virtual patchcords. (I believe there are some examples in 
> the FAQs here (files section). Also, I seem to recall discussions of 
> various programming ideas in the group's archives.)
> >
> > To take a simple example, you can assign MidiA to all 4 layers of a 
> preset to FilterFreq with a value of +100. Or you can assign MidiA to 
> all 4 layers with a value of -100. Or you can assign 2 layers a value 
> of -100 and 2 layers to +100. (Yes, its a very super simple example.)
> >
> > This is an oversimplification, but I hope it shows the relationship 
> between the 4 x 4 knobs and how they can be used for sound modification.
> >
> > I hope this helps clarify what the knobs can and can't do.
> >
> > Steve
> >
> >
> > > 2013/1/23 igrovo
> > >
> > > > I'm a self confessed nube on the XL7 so please forgive me if 
> this is an
> > > > easy one. On my Virus B and MEK there are settings for the 
> Potentiometers
> > > > for adjusting how they react as they are changed. On my MEK I 
> have pass
> > > > through, relative and jump options for how the knobs affect the 
> settings as
> > > > they are turned. Does the XL7 have such options?
>