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Messages - Xavier

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1081
PreenFM1 (the blue one) / Re: One more PFM (midi trouble though)
« on: March 18, 2012, 09:45:34 PM »
So it turned out the 6n137 was broken. Got another one for less than 1€ and this one fits perfectly :)

Thanks for letting me know. That's good to know.


Since midi is working again, i did some testing and i was surprised that i am having note off/polyphony issues very much like those described in the bug that led to fix 1.61 (i am running this version, so i guess it cant be the exact same bug). Every second note played on top of a running note wont play, but causes the first note to get stuck. A third note will play simultaneously with the note that is stuck (first one). Whenever ill hit the key of the stuck note again, it stops playing.

The preenfm is connected to a motu ultralite mk3 & akai lpk8, the motu might be causing this issue too so ill do some comparison with other midi devices.

Best, Felix

Aouch !!!  :(
That sounds much worst than the one i fixed.
Unfortunately, I cannot reproduce this... but i'll really do my best to fix this.

Could you confirm what you get :
. play and hold a note A
. Play a second note B. => B don't play.
. Release B.
. Release A.
. A keep on sounding

Please could you confirm it works correctly with firmware 1.60, that would be very helpful. ?
http://xhosxe.free.fr/PreenFM/firmware/

Any additional information would also help me, is this behaviouor depends on the patch you use ? or do you always have it ?
If you record in a sequencer and play it from it, does it sound the same ?
If yes, could you share the midi file ?

Thanks,

Xavier


1082
PreenFM1 (the blue one) / Re: Feature Requests
« on: March 17, 2012, 09:16:06 PM »
"KSyn:
Key synchronisation.
0 : the lfo live on its own... and is never modified by any event.
1- 255 : the lfo reset when a key is pressed. Betwen 1 and 255 the value represent the ramp up of the LFO. At 255 it will take to the LFO 4 seconds to reach is min and max value. Usefull if you want a "vibrato" that takes time to arrive."

Extract from https://sites.google.com/site/preenfm/manual/synth-edit-mode    ;)

Xavier


1083
PreenFM1 (the blue one) / Re: Original sources for parts
« on: March 17, 2012, 04:43:43 PM »

Congrats  :D
I think you have the first PreenFM working without buying the Full kit !

The buttons are e-witch tac buttons :
http://www.e-switch.com/ProductCatalog/Caps/tabid/173/Default.aspx

Seach for "e-switch" + tacwht, tacblk, tacred or tacgry in google.

Xavier

1084
PreenFM1 (the blue one) / Re: Feature Requests
« on: March 17, 2012, 04:21:24 PM »
I've just started with it so I might be missing it someplace, but could the lfos and sequencers be made to not retrigger with each note? The sequencers might be tougher as the start point would need to be syncable, but the lfos should be easy enough. :)

cheers!

Hi,

You should play with the KSyn parameter in the LFO 1-3 screens. At 0 the LFOs are free-running.

Right for LFO 1-3  ;)
For the step sequencers all the "MidiClock" values that you'll find after 240 BPM makes the sequence synced with external midi clock. So it's not retriggered with each notes.

Xavier

1085
PreenFM1 (the blue one) / Re: It's alive!
« on: March 12, 2012, 11:44:01 PM »
Actually no, 1.61 seemed to work that out just nicely - or then the fact that I now use a Motif 7 as a keyboard :)

Great  :D

1086
PreenFM1 (the blue one) / Re: One more PFM (midi trouble though)
« on: March 12, 2012, 11:42:52 PM »
Okay, so it seems i killed the 6N137 :o during troubleshooting (didnt get any more midi feedback since the .61 Update).

I think this one would fit as a replacement? http://de.farnell.com/jsp/search/productdetail.jsp?sku=1021197&CMP=KNC-GDE-FDE-GEN-SKU-MARGIN&s_kwcid=TC|13114|6n137||S|p|8788799707 (I'm not quite sure if theres variations on this one out there).

. Check twice you inserted the 6N137 in the right direction

I would double check all the solder junctions/connections before ordering a new 6N137..
All the way, from the midi cable to the maple mini.

If you want a new one this one is perfect (as any other 6N137).

Let me know,

Xavier

1087
PreenFM1 (the blue one) / Re: Feature Requests
« on: March 08, 2012, 10:07:19 PM »

I like very much the first suggestion... moreover it's very easy to implement...  ;)
I will add it.

Not sure i understand the second one.. when you set the LFO4 in the matrix, set the mulitplier to 127 and the destination to "all osc freq", you don't have enough pitch change... that's what you mean ?

Xavier

1088
PreenFM1 (the blue one) / Re: It's alive!
« on: March 08, 2012, 10:03:16 PM »

Thanks for the pictures....   :D
This is exactly how the LCD should be, the goal is to have a more confortable angle of vision when the PreenFM is on your desk.

I'm glad most of the problem seems to be fixed.

Istran, let me know if you still have stuck notes...


Xavier


1089
PreenFM1 (the blue one) / Re: encoder problem
« on: March 04, 2012, 08:46:02 PM »

Good news but this is very strange.
If it fails again give a look at the solder junction  ;)

Xavier

1090
PreenFM1 (the blue one) / Re: It's alive!
« on: March 04, 2012, 08:43:18 PM »
First congratulation for the 2 new PreenFM. It's always a pleasure to read that  :D
Stimresp, specialy if it was the first time you hold an iron...

Isran, note-off problems ???? I think 1.61 don't fix any note-OFF problem.
What is you configuration ? keyboard directly plugged to the preenFM ? What kayboard model ?

The 5mm ones seem to go at the front.

Aouch.... no....
You should have 2*5mm and 4*10mm...
5mm are supposed to be under the LCD, the 2 LCD screws should go through the two 5mm spacers.
The 10mm are  the ones to separate the PCB from the blue surface control.

Let me know if it's clearer,

Xavier

1091
What do you mean with VST?

A VST plugin to control the PreenFM from within a sequencer.
I posted a screenshot on the FB PreenFM Page :
http://www.facebook.com/PreenFM

Xavier


1092

I must finish the VST first  ;)

Xavier

1093

In real time the PreenFM CPU can handle 12 oscillators + 12 enveloppes.
Which makes:
. 4 voices with 3 operators algo
. 3 voices with 4 operators algo
. 2 voices with 6 operator algo

So you're right, with 2 operators algorithm you could get 6 voices.
But the sound you get with 2 operators would be very simple...

Anyway... it could be interesting to have a 2 operators algo with 6 voices.
I may add this in a future firmware.  ;)

Xavier

1094
PreenFM1 (the blue one) / Re: Presets for PreenFm
« on: February 27, 2012, 11:29:21 PM »
The firmware 1.61 dont have any new presets.
But i keep them for a presets bank i'd like to build...
I'm glad you enjoy fm synthesis  :D

Xavier

1095
Thanks a lot for reporting this problem and for the files.
I think it's fixed in 1.61 firmware.

Let me know,

Xavier


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