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Topic: Creating LED feedback delay (Read 4049 times) |
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imsgoalie
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MIDI-OX Rules!
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Creating LED feedback delay
« on: Nov 14th, 2011, 4:41am » |
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Hi,
I am using an Akai LPD8 to control Traktor. The LPD8 has 8 pads that I use for clip launching. The pads light up whenever they're engaged as a function of the hardware. A consequence of this is that the midi output from Traktor back to the LPD8 is seen while the pad is still lit. Thus when I release the pad the signal from traktor to light the pad has come and gone.
As a work around for this I programmed some latency into the signal from the LPD8 to Traktor. This gives me time to release the pad before Traktor tries to light it, which works and makes the pads light up to provide visual feedback as to which sample slots are playing at any time. This is obviously not an ideal solution as I would prefer for that latency to in Traktor's feedback signal to the LPD8, not the control signal from the LPD8 to Traktor.
So I did a data map with a 12ms delay on all midi data. When the LPD8 is the input and yoke1 is the output, I can get traktor to behave how i want and everything is okay. As soon as I try to make yoke 1 the input and the LPD8 the ouput (and I would of course have traktor sending through yoke 1 and receiving directly from the lpd , i get an insufficient memory error.
What's up with that?
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Peter L Jones
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Re: Creating LED feedback delay
« Reply #1 on: Nov 14th, 2011, 7:16am » |
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Sounds like you've wired up a MIDI feedback loop.
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"...Playing fast around the drums is one thing. But to play with people for others, to listen to, that's something else. That's a whole other world." -- Tony Williams
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imsgoalie
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MIDI-OX Rules!
Posts: 2
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Re: Creating LED feedback delay
« Reply #2 on: Nov 14th, 2011, 2:01pm » |
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on Nov 14th, 2011, 7:16am, Peter L Jones wrote:| Sounds like you've wired up a MIDI feedback loop. |
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That's what I thought. Not sure how to avoid that though.
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