Fixed: Novation Impulse transport control command problem with MuLab

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The Novation Impulse supports MMC and CC, but MuLab support only CC.

The Novation Impulse has for all transport buttons a press and a release midi control command.

for example:
0000990B 4 5 B0 73 7F 1 --- Control Change Play button pressed (7F)
0000999F 4 5 B0 73 00 1 --- Control Change Play button released (00)

after shortcut configuration for "play", MuLab has created the entry

Controller 115,Chan 1 -> "Play/stop"

pressing the play button starts playing, but after the play button is released also playing stops!
playing is only possible, during hold down the play button.
all transport control commands will be executed twice (press 7F and release 00).

is it possible to solve this problem and analyse also the controller values, or will be MMC support implemented in then next MuLab version?
Last edited by Hermu on Mon Aug 06, 2012 10:53 am, edited 1 time in total.

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I never noticed that as I have an Impulse 49 and transport doesn't even work with MuLab.

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Try instead of assign "Play/Stop" the individual "Play" and "Stop" assignments.
I have two key assignment, one for Play and one for Stop which works.

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for seperate "Play" and "Stop" assignments this can be a workaround for "Play/Stop", but not for "Rec/Stop" because there exists no seperate "Rec" assignment. Also "Forward" and "Rewind" couldn't realised with a workaround, because the CC will be executed twice (press 7F and release 00)

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How do you set this up? Is it in mulab?

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Shortcuts can be configured in MuLab from main menu
"MULAB" -> "Manage Shortcuts".
Further informations can be found in "MULAB" -> "Info" -> "MuLap Docs".

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Ok yes understand how to edit shortcuts, but how do you assign the Impulse to that shortcut? Is that what you're doing? :?

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It's very simple. For example select the "Play/Stop" shortcut, which is assigned with "Space" per default. If you want to use the "Play" button on your Midi Keyboard, select field "Shortcut" and then press the "Play" button on your Midi Keyboard. In the case of my post you should better also change the field "Function" to "Play".

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Oh, I did actually try that, ah! you mentioned that MuLab doesn't support MMC so I need to change the transport to submit CC is that right? I'll give it a go...

Thanks

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Sorry i can't get my Novation running (haven't used it for years).

Assigning Rec/Stop to a keyboard key works as expected.

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Aha! yes it does work after I changed the transport to transmit CC instead of MMC.

Thanks for the help ;-)

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Now it's my turn to ask how you get the transport visible/assignable? (Zero SL here)

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Sorry I'm using the Novation Impulse, my first controller keyboard. Doubt it's anywhere near the same but on the Impulse there's a 'Setup' button which has the Transport section in it.

The manuals are here if it helps.

On the Impulse it doesn't 'appear' onscreen in the Automap if that's what you mean. I just went to the shortcuts and edited them then pressed the relevant transport button.

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Hermu wrote:The Novation Impulse supports MMC and CC, but MuLab support only CC.
...
after shortcut configuration for "play", MuLab has created the entry
Controller 115,Chan 1 -> "Play/stop"
pressing the play button starts playing, but after the play button is released also playing stops!
playing is only possible, during hold down the play button.
all transport control commands will be executed twice (press 7F and release 00).

is it possible to solve this problem and analyse also the controller values, or will be MMC support implemented in then next MuLab version?
Can't you program the Impulse so that there is only a CC on button down but none on button up?

Parrallel to that: Yes i'm open to improve the MIDI shortcut system. As an initial thought: Lets say we could also indicate a Min+Max for value 2. Then you could define it as

Controller 115 Chan 1
Min Value=127, Max Value=127
Function="Play/stop"

Then in the above case only button down will trigger the function.

How does that sound?

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If that works then great :D

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