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Bc2000 (for the BCF2000 & BCR2000)

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Re: 14 bit midi resolution with BCF 2000??? Possible, especially in FL Studio?

2011-01-03 by Royce

Hi

> How can I get a 14 bit midi fader/knob resolution for the BCF2000 midi-controller? Especialy for Image-Lines "FL Studio" or the Arturia Synths.
> Theoretically, like some said, it's possible to have smooth 14 bit resolution for the endless encoders and faders.

Faders have a max resolution much less than 16k - Midi values will jump

> At least with Arturia Moog Modular 14-bit midi controlling with BCF2000 is possible, like some people in Arturia forum wrote. (I asked the question there too, but didn't get a helping answer until now.)
> For exsample: after changing the settings of BCF's encoders to 14 bit and set "Value 2" to 16383, in  Moog Modulars standalone-mode, knob-tweaking of filtersweeps are still 7-bit rough.

> I know there is a NRPN-Checkbox in MoogModularV and when I press learn on the software, BCF's knob is registered.
> Then, I see in the BC display continous value changes like "...5083, 5084, 5085,..." and so on, till 16383, but I always hear just every 127 steps a frequency change and this change sounds still 7-bit-like.
> I have to turnaround the BCF-encoder now many times more, but the precision and sonic result is the same like 7-Bit. 

Have a look in MidiOx or in Mark's editor to see the outputted Midi messages from the BC

>   .easypar NRPN 1 1 0 512 absolute/14

puts out (in a mix of hex and decimal) 

$B0 99 0
$B0 98 1
$B0  6 0
$B0 38 1

$B0 99 0
$B0 98 1
$B0  6 0
$B0 38 2
.
.
.
$B0 99 0
$B0 98 1
$B0  6 0
$B0 38 127

$B0 99 0
$B0 98 1
$B0  6 1
$B0 38 0
etc

as you would expect



> The result is: after many turnarounds of the BC-encoder, MMV's filter knob turns still very slowly till it reaches a value of 32.60 Hz and when BCF's display reached a count of "512".

You can change the resolution of the encoder depending on the speed of rotation - 4 speeds

eg
.resolution 96 200 400 1000


> Side question:
> I use BCF in U1 USB-mode. Is it better to connect it via MIDI to the port of my emu1212m Soundcard? Does this perhaps has influence on 14 bit resolution? 

No

> At least an answer that I should forget it, would help me, not to waste more time in trying this...

So I don't have to learn the ins and outs of these programs tell me what Midi messages they expect (like my above example) .

Use MidiOx to build a block of messages and output them (probably via MidiYoke) to make sure you are correct.
Then post the messages here and we will see if we can help to get the BC to do it.

All the best

Royce

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