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Messages - Xavier

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PreenFM1 (the blue one) / Re: PreenFM VST v0.3
« on: May 22, 2012, 01:53:58 PM »

I'll give a look at this bug (rather sooner than later)...


In French / Re: Modifications ?
« on: May 22, 2012, 01:52:48 PM »

Salut Richard,

Oui l'USB principale n'est la que pour le 5V. Donc tout autre 5V fera l'affaire (par précaution je dirais quand meme 500mA min).
Patte 1, patte 4 ? Je ne vois pas trop de quelle schéma tu parles...
Le port USB du circuit imprimé ?
Tu as le circuit imprimé ?

Il n'y a pas de modification possible sans modifier le code du firmware....
Mais en le modifant tout est possible   ;)

Tu t'es fait ta propre façade ?
Si tu est OK n'hésite pas a partager une petite image.
Et surtout de nous montrer quand l'ensemble est fini.


PreenFM1 (the blue one) / Re: MIDI on / off issues (1.61)
« on: May 21, 2012, 09:32:02 AM »
To clarify...
When I line up 2 notes in Sonar the Note Off occurs right before the next Note On.  Neither one gets triggered.  The further apart the notes / messages are, the better they trigger.

OK... and that problem happens only  with the  Edirol UM880 ? right ?

Could you try to set the Release of all envelopes to 0 and check if you still hear the problem ?
Same thing with all the release set to 255.

By High / Low, I meant the Voltages.  The voltage levels at which the pin goes high or low.  There are different tolerances for different chips.

The 6N137 is here to isolate the input, so that the maple always get the same voltage/currant.

Thanks a lot for your help,


PreenFM1 (the blue one) / Re: MIDI on / off issues (1.61)
« on: May 20, 2012, 09:28:12 PM »
Two adjacent messages (Note off, Note on) kill each other.

I'd love to understand that... what do you mean exactly ?
What do you see and what do you hear ?

It might be something to do with the maple's tolerances for high and low values on the receive pin?

Midi is slow. I'm sure the 72Mhz maple can handle it  ;)

I measured the voltage output from the Edirol UM880 at 5.1V and the MOTU828mk2 at 4.98 V   I'm not sure if this means anything at all  :-\

Thanks a lot for testing it... at least the voltage is very close.


PreenFM1 (the blue one) / Re: PreenFM VST v0.3
« on: May 20, 2012, 09:16:04 PM »
v0.3 is ready....

Thanks a lot funkyfli for the bug reports....
Fixed in v0.3 :
1> "the voices do not follow the algorithms when they are switched"

2> "and, the matrix combobox options are displayed below the version # "
Fixing "the lower comboboxes" was a bit more complicated so not priority 1 for the moment

3> "On Algorithm 9, switching operator 5 shape, changes the frequency to low (.38 I think)"
Good catch... operator 6 shape was also broken...


PreenFM1 (the blue one) / Re: MIDI on / off issues (1.61)
« on: May 15, 2012, 09:13:08 AM »
Thanks for having checked... that's really usefull...
If we eliminates the possibilities one by one, we're going to find a solution  ;)

In French / Re: Encore un dans la nature
« on: May 14, 2012, 10:46:19 AM »

Merci pour ce retour très positif...
Je suis bien content que tout se soit bien passé pendant le montage et que le module fini te plaise.

N'hésite pas a installer la derniere version du firmware et à essayer le VST ;)

Si tu as des questions quant à l'utilisation, le forum est là pour ça.


PreenFM1 (the blue one) / Re: PreenFM VST v0.2
« on: May 13, 2012, 11:07:21 PM »
Bidule 32 bit : checked
Sonar 8.5 and X1 : checked
Reaper : checked
VSTHost : checked

Thanks  for the feedbacks :)

PreenFM1 (the blue one) / Re: Feature Requests
« on: May 13, 2012, 11:03:49 PM »
Thanks for the requests ... i'm glad you like your blue box  :)

3. Sysex internal doc ?
I agree it's hard to understand from the code...
And it's not very clean because i had to deal with upward compatibility.
Antway, it's a good idea and i'll try to put something on the website... I'll post a message here when it's done.

Thanks a lot for the suggestion.

5. That's not exactly what you suggest but you have this when you set a Midi clock based sequencer tempo (after 240).. You need your sequencer to send midi clock.

5a.  In the matrix, you can redirect the step sequencer to the frequency of all oscillator "o*fr"... so that you control the pitch. Set the multplier at 64 and you'll have one semitone per step value.


PreenFM1 (the blue one) / Re: MIDI on / off issues (1.61)
« on: May 13, 2012, 10:49:41 PM »
Thanks for the info and the URL.

I give a look at the code and i think that the 'active sensing' message cannot cause a problem. They are simply ignored.
To be 100%sure, can you disable 'active sensing' on your EMU880 and check if that change something ?
Or do you know a sequencer that can send this midi messages ?

I use the same 6n137 based midi schema as the shruti-1 so i don't think it's a hardware problem.

Le me know if you find something, i'll continue investigating,


PreenFM1 (the blue one) / Re: PreenFM VST v0.2
« on: May 10, 2012, 02:40:06 PM »

Thanks a lot for the report.
Yes i'm happy you have it working.

I've noticed that too in sonar 8. It works with an instrument track but not with a midi only track !! That's sounds weird !
But sonar 8 there seems to have an aditional NRPN bug... anyway sonar 8 is 4 years old now.


PreenFM1 (the blue one) / Re: MIDI on / off issues (1.61)
« on: May 10, 2012, 02:37:21 PM »

Any adidional information by people who have note on/off problem are welcome.

It's always difficult to know who's fault it is.

Funkyfli do you mean it does no work you UM880.
Doe you have other sound module that work with it ?
What do you mean by "This might be due to the fact that it sends out 4 Active Sensing messages a minute... continuously."

PreenFM1 (the blue one) / Re: Feature Requests
« on: May 10, 2012, 02:34:47 PM »
Thanks for the good ideas.
When i have more free time, i'll definitely give a try at 2. Maybe a new page in the "engine" part.
I tried 1 at some point but it required a big rewrite of many things. But i agree it would be very cool.... Attack and of course release.

3. I don't understand what you mean...
Reading and dumping patch or bank as sysex is included in the menu...


PreenFM1 (the blue one) / Re: PreenFM VST v0.2
« on: May 07, 2012, 08:56:20 AM »

Great you have it working with VSTHost !

Mouse Wheel is supported all over the VST and should work.
I also use mouse wheel a lot and it was a priority.
Maybe VSTHost does not forward the mouse wheel info to the VST. I'll give it a try.

Thanks for the other reports.

I'll try to build a standalone version. The VST framework i use has this feature.


PreenFM1 (the blue one) / Re: PreenFM VST 0.1
« on: May 05, 2012, 11:31:08 PM »
The first VST was declared as an FX, it must be a synth to work in Sonar.
The v0.2 i just uploaded should work better.

I fought against sonar 8 to have it working.
I have the VST send midi to the Preen.
I cannot get the Preen send correctly to the VST. Seems like all NRPN value are 0. The right VST controller change but with the value 0.
There is a strange "don't intercept NRPN" option in the VST options that does not change anything.
Don't know if it's a Sonar 8 problem with NRPN or if it's a problem with the VST.

I'll try to investigate further when i have more time.
Anyway this V0.2 is better than the other.

Let me know what works / does not work for you,


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