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Jumping values on BCR2000

Jumping values on BCR2000

2011-01-28 by eric.liberda

Hi Everyone,
I have an issue with jumping values on my BCR2000 (newest firmware). I'm using one BCR2000 in midi4 (U4 i think) mode in ableton live. The input and output on the BCR2000 are set to BCR2000 port 1 and the track and remote for input are enabled (that's the right setup, correct?). The output for track and remote are disabled. 

Here's what happens: sometimes when i turn a knob the values jump spontaneously. These value jumps are represented on the BCR itself as well. I can delete the midi mapped knob and remap it and then it's fine. There is nothing else mapped to that knob. I have tons of mapped knobs and when I load the project it seems like it's a different knob that's affected!

Any ideas? Am I creating some sorta midi loop by improperly configuring the BCR2000 (at the input/output and track and remote screen)?

Thanks for any help!
Eric

Re: [bc2000] Jumping values on BCR2000

2011-01-28 by Bruno

Hi Eric,

2011/1/28 eric.liberda <biologik@...>:
> I have an issue with jumping values on my BCR2000 (newest firmware). I'm using one BCR2000 in midi4 (U4 i think) mode in ableton live.

Don't want to be pesky, but MIDI modes are the "S" one (probably for
"standalone"). However, as long as you don't have BCR connected thru
USB as well it shouldn't make much difference. Maybe switching to some
S modes can help?

Cheers,
Bruno

Re: Jumping values on BCR2000

2011-01-28 by Royce

Hi Eric

what preset are you using to control Live?

The BC can be programmed to do as you have described.
The encoders have a parameter that says how sensitive they are.
  .resolution 96 200 500 1000
The four numbers represent the value change in one revolution.
There are 4 values because the resolution can change depending on how fast you turn it.
96 puts out every single value
192 puts out every second value
48 puts out every value twice

The question is does it jump if you turn the encoder slowly??

  .resolution 96 96 96 96
always puts out every value.

There could be another issue.

The BC can be set (in the global area) to wait from 2ms to 100ms before it puts out a Midi message.

That is, if you turn the encoder fast the unit could wait for up to 1/10th of a second before putting out a value. To do this it drops some of the intermediate values.
This is very useful if you are controlling something using sysex.
The sysex message is a lot longer than CC messages and they can stack up in the Midi buffer on a hardware synth causing a delay in changing the value.

I increase this Wait value when using my DX7 live.

Royce

--- In bc2000@yahoogroups.com, "eric.liberda" <biologik@...> wrote:
Show quoted textHide quoted text
>
> Hi Everyone,
> I have an issue with jumping values on my BCR2000 (newest firmware). I'm using one BCR2000 in midi4 (U4 i think) mode in ableton live. The input and output on the BCR2000 are set to BCR2000 port 1 and the track and remote for input are enabled (that's the right setup, correct?). The output for track and remote are disabled. 
> 
> Here's what happens: sometimes when i turn a knob the values jump spontaneously. These value jumps are represented on the BCR itself as well. I can delete the midi mapped knob and remap it and then it's fine. There is nothing else mapped to that knob. I have tons of mapped knobs and when I load the project it seems like it's a different knob that's affected!
> 
> Any ideas? Am I creating some sorta midi loop by improperly configuring the BCR2000 (at the input/output and track and remote screen)?
> 
> Thanks for any help!
> Eric
>

Re: Jumping values on BCR2000

2011-01-29 by eric.liberda

Hi Everyone,
Thanks for your replies.
I didn't have my BCR in front of my at the time but I do now. Allow me to explain:
1) I misspoke when I wrote midi - I meant USB 4 mode.
2) Different knobs are affected each time.
3) The BCR shows all increments (0-127), but the jumping occurs in ableton live no matter if the movement is fast or slow. If I move slow, I can control the pace of the jumping (ie. it might go from 0 to 62 to 92 to 98 to 127)
4) Re-mapping fixes this, but it's a pain to go through EVERYTHING to make sure it's all fine for a live show.. so many buttons and knobs!!
5) There is no double-mapping occurring so it's not that one knobs is affecting the other.

The part that confuses me is that it's all OK after I remap...?!

I wonder if I have my BCR setup correctly.. how do you guys have your input/output set in ableton?

Thanks for any input!
Eric

--- In bc2000@yahoogroups.com, "eric.liberda" <biologik@...> wrote:
Show quoted textHide quoted text
>
> Hi Everyone,
> I have an issue with jumping values on my BCR2000 (newest firmware). I'm using one BCR2000 in midi4 (U4 i think) mode in ableton live. The input and output on the BCR2000 are set to BCR2000 port 1 and the track and remote for input are enabled (that's the right setup, correct?). The output for track and remote are disabled. 
> 
> Here's what happens: sometimes when i turn a knob the values jump spontaneously. These value jumps are represented on the BCR itself as well. I can delete the midi mapped knob and remap it and then it's fine. There is nothing else mapped to that knob. I have tons of mapped knobs and when I load the project it seems like it's a different knob that's affected!
> 
> Any ideas? Am I creating some sorta midi loop by improperly configuring the BCR2000 (at the input/output and track and remote screen)?
> 
> Thanks for any help!
> Eric
>

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