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Topics - lokki

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preenfm2 and preenfm3 / "proper" MPE support for preenfm3
« on: April 05, 2021, 11:26:13 AM »
it would be great to have more proper MPE support on preenfm3.

what would be needed?

an instrument can be set to MPE which would enable the following (ideally):

receives midi on selected channels (2-(x<=16).

receives pitchbend on those channels which affects only the notes that sounded on that channel. usually the pitchbend for this "note pitchbend" is set to 48 semitones, but 12 24 and 36 is also possible.

i think that is all.

this would greatly reduce the setup time for MPE instruments and would allow us MPE-peoples to use the limiter etc. properly.

preenfm2 and preenfm3 / recall mix via program change
« on: January 10, 2021, 11:54:26 PM »
last one for today :-)

it would be great to recall mixes by program change.
so a global menu entry for program change mode. voice or mix recall.

EDIT 1: also recalling voices from different banks via cc0 does not seem to work reliably, is this supposed to work? i thought i could change the bank by cc0 and selecting then via program change which patch to load.

EDIT 2: so program change of mixes does kind of work. do you really want global midi channel to be part of a mixer preset? still it is unclear to me how you decide what program change does, can you elaborate?

as the title suggests, poly at should take note shift into account :-)

the fdbk mod destination seems not to map very well, since it only is adjustable between 0 and 1 (unlike IMs) you can only set it to a very low value in the mod matrix. this does not work well when you want to use it together with another destination. maybe divide the mod mult by 10?

preenfm2 and preenfm3 / voice volume as mod-destination
« on: January 10, 2021, 11:18:56 PM »
i would like to control a voice volume by aftertouch. somehow i cannot get it to work via the mod matrix. mix * kind of works but only to lower volume on a high aftertouch value. (i need to set mult to a negative value). i would like to make the patch louder when i apply more pressure.

can volume of a voice be added to the mod-destinations?

preenfm2 and preenfm3 / compressor per output instead of voice/instrument
« on: January 09, 2021, 11:44:55 PM »
hi xavier,

it would be great if the compressors could act on the actual outputs, and not on the voices.

if i want to play the preenfm3 as "mpe" synth, the compressors are not so useful. if i set all the voices to output on 1-2 for example, it will still distort. from a menu standpoint i don't really know where to put it, since the mixer is set to work with those 6 voices. maybe a second page in the out section could contain the active combinations and compressor options.

preenfm2 and preenfm3 / Unison parameter
« on: December 27, 2020, 10:36:15 AM »
A small suggestion for unison, it would be nice to have a third option, Volume spread or similar...

It would do the following:

The main voice (on uneven voice counts) would have full volume and the others
Would decrease by a factor. So for example with a factor of 0.2 and five voices, the middle voice would be at Volume 1 the two left and right at 0.8 and the two furthest from the middle would be at 0.6 Volume. This would increase the spreading fx, and allow for more natural sounding detune fx, since you can more clearly hear the main voice. With even voice counts simply set the middle two choices to the same Volume.

I hope it is a clear explanation :)

preenfm2 and preenfm3 / [fixed in v0.102] Hanging notes...pfm3
« on: December 24, 2020, 11:34:45 AM »
Xavier, I have quite a lot of hanging notes on my preenfm3 with my midi bass controller. I know it sends a lot of midi data (down the usb port, it acts as a host) but it works reliably with a waldorf pulse 2, a blofeld, a moog Minitaur and all axoloti stuffi built. Would you consider looking at the midi code in axoloti for example? It is open source built on a "similar" hardware and as I said rock solid.

preenfm2 and preenfm3 / [added in v0.102] u.i. name entry suggestion
« on: December 20, 2020, 10:23:06 PM »
when i have to "type" in names for patches i have one suggestion that would make the workflow faster i think.

leave everything as is and on the sixth button (which is free at the time) implement the function go one position to the left. (the same as turning encoder one clockwise)

this would allow to write in names much quicker, one hand could stay on encoder 4, the other hand would select upper and lowercase etc. and advance a position. if you need to correct you can still scroll back with encoder 1.

preenfm2 and preenfm3 / pfm3 : usb midi not working in 0.99b?
« on: December 09, 2020, 02:02:07 PM »
i can't see my preenfm3 via usb-midi connection in 0.99b could that be?

preenfm2 and preenfm3 / preenfm3 0.99b freeze
« on: December 09, 2020, 01:38:45 PM »
if i go into config and set encoder push to yes (even if i have no push encoders, but i am not convinced that matters) the whole preenfm3 freezes, and i have to restart the synth.

preenfm2 and preenfm3 / [Added in v0.101] poly pressure
« on: December 09, 2020, 01:29:07 PM »
hi xavier,

this is for preenfm3:
would it be possible to add polyphonic aftertouch (a.k.a. polyphonic pressure) to the list of modulation sources? this would open up the synth considerably. if you are there i think it would be very nice to add some user-definable cc control as well. so let's say you define in global menu "control-x" = cc15, a user can then select cc15 in the mod matrix to modulate any parameter.


preenfm2 and preenfm3 / preenfm3 first impressions...
« on: November 22, 2020, 11:37:20 PM »

great work on the preenfm3!! really. the 0.97 firmware feels already very good! sound quality is also much improved over "old" preenfm2 model.

i only had a chance to play with it for a couple of minutes, but the menus look straightforward to understand. i really like the scope and the lfo overlay for example is a very nice touch, feels very intuitive....

a couple of remarks:

in the midi menu the term "Midi" in the top title could be left out, instead of "Midi Note Shift" it could simply say "Note Shift" etc. since we are in the midi menu it is obvious...the same goes for the scala and the global menu i guess.

-if i am in the midi note shift menu and adjust the value while a note is playing i get hanging notes. (i know from a programmers perspective why that would happen) but i think as a user it would be nice to be able to quickly adjust the value while a note is playing (simply because i trust my ears and it is quick to do so...)

-i am not sure about the placement of the mono/poly switch in the menu. i think it would also fit into the midi menu of each instrument.
in mono mode there would ideally be more then one mode. (i think we had this discussion before for the preenfm2)
at least an option to retrigger on legato would be nice. also different handlings of portamento would be nice (always glide, vs only glide when notes overlap)
bonus for proper handling of multiple pressed keys in mono mode... last note priority, highest note priority, lowest note priority.

cheers, and congrats again!

preenfm2 and preenfm3 / [Solved] preenfm3 controller board acting funny
« on: November 20, 2020, 11:35:51 PM »
hi there,

i am in the process of getting my preenfm3 into a case and i have a very strange problem. i will first list the symptoms and later things i already tried...

all was working fine until yesterday. it has to be said that i did not use a header but a short ribbon cable to connect the two boards.

when i put the mainboard and the control board together with 4 screws, the controls did start to act funny.
-turning an encoder would sometimes not adjust any values, sometimes 3 or 4 at once, with values jumping all over the place.
-pressing buttons results in either no reaction or a white-screen or a screen with coloured lines (segments). the screen usually reboots and displays normally again.

so i took the controlboard off again because i though one of the ribbon cable connections had become loose. holding the controlboard at a certain angle made it working normally again which made me think it was indeed a loose connection.

so i redid the solder on those connections, no change. ok i thought one of the cables has gone bad. replaced the ribbon cable, same behaviour. i measured with a multimeter from controlboard to mainboard and all points are connected.

one thing i did notice when the boards arrived in the mail was that the mainboard was slightly bent, it had a slight curvature. putting the controlboard and the mainboard together may have forced that curvature to become flatter i guess and could maybe have broken some connections on the mainboard?

are any of these symptoms familiar to you? can i somehow test if the mainboard is intact? any other ideas?

preenfm2 and preenfm3 / [fixed in 0.95 ?] preenfm3 sd card error
« on: October 18, 2020, 09:37:54 AM »
hi xavier,

i flashed the firmware successfully.

unfortunately my LCD was a different kind of pcb, but still 2.8''. the holes for the sdcard-reader don't align. i bent some headers and soldered it, but maybe something is is also possible the reader does not work on the PCB, it is a cheap chinese LCD. the screen itself works flawless.

-when i boot up without an sdcard inserted i get a: SD CARD ERROR after which the preenfm3 boots successfully.
-when i insert a sdcard at boot up, the screen just stays black. if i then unplug the sdcard, the screen goes white
-when i insert a sdcard after boot up the screen goes black. when i remove it the screen goes white.

does that indicate anything?

if i would attach a separate sdcard reader module, i need the four connections and 3.3v and gnd?

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