Xpantastic!

PeWe Wrote:

>>"So, the Xpander/ Matrix-12 needs more modulation busses/channels on the modulation-input side.
>> I dunno if that´s doable via software at all, but it would be great if it were."

Hi PeWe,

This is what I am talking about. Permanently assigning some parameters to midi CC's like many current synths are capable of doing. Yes it would take

a considerable amount of understanding of the firmware, but it should be possible if enough room could be found in the ROMS. If not just have to use the slower

sysex method.

Another possibility:

I have seen guys use larger EEPROMs to condense the size of memory in some HP test equipment. Using this technique it may be possible to allow more room

for added features. But I have not fully investigated this yet.

Sent you a PM

Best Karl

On Wednesday, June 13, 2018 10:12 PM, "PeWe ha-pewe@... [xpantastic]" <xpantastic@yahoogroups.com> wrote:

Hi Karl !

A bit O.T. but ...

Assigning MIDI CCs to Xpander-parameters like VCF cutoff and MIDI volume works on my Xpander uising the MIDI Controls page.

The limitation are the modulation busses,- pedals #1 & #2 and levers #1 & #2,- which isn´t enough, especially vs. the count of modulation destinations in the mod-matrix.
So, when there were a chance maxing out modulation busses in the sense of mod-sources, that would be most excellent.

There´s a bug in Multipatch-Mode when changing multi-patches via MIDI PrgCh. while MIDI CC#07 is assigned to "pedal #2" as a source and a value is being received.
The volume drops to zero then and it needs another MIDI CC#07=127 command to get some noise back from the synth.

I´m pretty sure it´s a bug because "lever #2 and "pedal #2" are "universal" (global) controllers while lever and pedal #1 work individual for each voice.
So, in Multipatch Mode, MIDI CC#07 should be the master volume controller which should work when sending a program change and volume offset command,- but it doesn´t because there´s no guarantee, the volume command arrives after the program change in exact sequential order when being transmitted from p.ex. a MIDI processor/matrix switcher or masterkeyboard.
A sequencer might handle that different compared to the devices mentioned above though.

In addition to the "master volume" functionality in "Multipatch-Mode", individual / relative volume control (not overriding MIDI CC#07 value !) for each voice should work using MIDI CC#11 together w/ MIDI CC#07 and w/o dropping overall volume to zero.
But even when we can get rid of the bug mentioned above, in Multipatch-Mode using MIDI CC#07 and MIDI CC#11 simultaneously eats up both pedals as modulation sources and makes it impossible using MIDI CC#04 for filter cutoff, may it be per voice or global,- WHEN the mod wheel is in use for vibrato p.ex..

So, the Xpander/ Matrix-12 needs more modulation busses/channels on the modulation-input side.
I dunno if that´s doable via software at all, but it would be great if it were.

Anyway,- now some private stuff and because it´s the occasion to send some lines ...

I received and still do receive all your emails, but when I reply, ALL the emails I send to shire03@... come back to me as a mailer demon after exactly 4 (FOUR !!!) days.
I regret and have no idea what causes that behaviour, but we should try to find another way for private communication I think.
Maybe PMs @ Keybd Corner ... (???) ... what do you think ?
Please reply to my private email addy 1st.
When you agree, you might post something over there,- I´ll recognize and will jump in via PM.
Let me know please.

thx for reading

:-)

PeWe


Am 14.06.2018 um 00:02 schrieb Karl Schmeer shire03@... [xpantastic]:

I would love to "enhance" the original code to allow some midi cc of parameters like filter, envelope times etc.. As well as allow midi volume control (cc #7).

Best Regards

Karl