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How do I MIDI sync Reactable Live with Ableton across two computers with external sound cards?

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I'm trying to slave Ableton Live to my Reactable. Ableton is on a separate computer with a separate external audio interface. On the computer with Ableton I have a Pro Fire 610 connected via firewire. The computer running Reactable is connected via USB to a Lexicon Lambda. I have MIDI cables running between the two audio interfaces. I checked in the Audio MIDI settings and it's detecting the input from the Lexicon Lambda, but it is greyed out as if it's deactivated and I don't know how to activate it.

I'm also wanting to send MIDI data from ableton to the input of Reactable to act as a secondary sequencer. Is this possible? I know that Ableton tracks can be routed to send MIDI data out, so it seems like it should be possible.


Thanks in advance,

asked May 7, 2013 in Reactable Artist by anonymous

1 Answer

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The Reactable supports the following MIDI protocols:

  • MIDI realtime sync: as master and as slave
  • MIDI notes/pitchbend: with the MIDI in object.

In order to use it as master, you have to click the Settings button and go to the MIDI tab. As soon as you enable the "master" toggle it will send MIDI timecode through your MIDI device. You should be able to see it on the device if it has a MIDI traffic indicator. 

MIDI Settings


To use the Reactable in slave mode, tick the "allow slave" toggle button (disable the "master" if you do not want to daisy chain the sync signal). With "allow slave" mode on, the Reactable will lock into any MIDI sync coming from the selected MIDI in device. There is no "stop" messages, which means that if the sync stops the software will be freewheeling at the last bpm selected. With every MIDI start message it will hook into sync again. 

answered May 9, 2013 by reactable (1,940 points)