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PreenFM2 / Re: Stm32F4Discovery port
« Last post by electron libre on April 06, 2017, 03:35:44 PM »
Hey norbim1 and rsproduction.

Can you provide me a bit more info ow to burn the Disco board. Is there some DFU mode? Also, the I dispose is a STM32f411.

PreenFM2 / Re: distortion
« Last post by clĂ©ment on March 31, 2017, 09:24:34 PM »
Hey, just to let you know that I do have the same issue, though I wouldn't call it distortion at first, I think it's the same thing. I believe it's not exactly the same on the Left and Right output.
But yeah it's been a bummer for me sometimes, when trying to achieve smoother sounds.
I built several PreenFMs for various people and I believe there always was an issue like this, by that I mean, I don't know if it's possible to create a true pure sine.

I'll check Xavier's tip though :)
PreenFM2 / Re: User wave forme ??
« Last post by Xavier on March 31, 2017, 08:58:30 PM »

No, the RAM is integrated in the CPU.
PreenFM2 / Re: User wave forme ??
« Last post by opus.quatre on March 31, 2017, 07:07:58 PM »
Oh.. I see.. meeci Xavier piur ta reponse.. And is it not possible to expand the ram ? ?
PreenFM2 / Re: Tuning issues
« Last post by observer on March 31, 2017, 12:31:16 PM »
running 2.07
PreenFM2 / Re: User wave forme ??
« Last post by Xavier on March 30, 2017, 10:30:26 PM »
Interesting question   :)
The user waveforms are loaded from the USB drive to the RAM when booting.
The limit is the available RAM of the CPU so i'm afraid it cannot be discussed ;)
The waveform is not stored with the preset, if you use a user waveform and modify it, that will modify your how your presets sound.

PreenFM2 / User wave forme ??
« Last post by opus.quatre on March 30, 2017, 06:54:09 PM »
Hello there..
Why is the number of user waveforms limited to 6 ??
Sure it's better than on a DX7..
Is it for technical reasons and then, this limit can't be changed ?? Or is it just a choice, and it can be discussed and modified ??

Second question is : when I use one of them in a sound,  is the waveform stored with the preset data, or am I supposed to always leave this waveform on the USB key, so that the preset can call it when needed ??

Enjoy the sun..
PreenFM2 / Re: Tuning issues
« Last post by served on March 30, 2017, 04:44:38 PM »
What firmware are you running?
PreenFM2 / Re: Saving preset into empty Bank/Combo slot
« Last post by fourhexagons on March 30, 2017, 03:45:51 AM »
Thanks, guys. It's funny, I had notifications disabled, so I hadn't seen your replies until now as I'm logging on to say that I figured it out. I even went through the same steps, first checking the USB stick, reformatting, trying a second stick, and then I played with the menus a bit more and finally discovered that you must first create a Bank/Combo in Tools > Crea *before* you can save into it. I hadn't expected that extra step, but I'm glad to be up and running now.

Xavier, adding a line like the following at the beginning of 2. Save in the manual might help other newcomers like myself:

Presets can be saved only into preexisting Banks or Combos. To save a preset in an empty slot, you must first create a Bank or Combo in that slot by going to Tools > Crea. Once you have created a Bank or Combo slot, you will find it under Menu > Save.
PreenFM2 / Re: Tuning issues
« Last post by observer on March 30, 2017, 01:10:06 AM »
thanks for the reply.

it does this no matter what the preset is. if the notes are played together in a chord, the same problem exists. just explained it linearly for the sake of explaining the problem. after 6 tones, the tuning gets weird.

I will share the default combo later today if you think that will help.
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