I finally got Traktor to sync with something else - Reaper - using MIDI Clock (running on Mac OS X, on the same machine). Here's how I did it..

  • Start Traktor.
  • Start Reaper.
  • Open Reaper Preferences, select Devices > MIDI Devices.
  • Double click "Traktor Virtual Input" and select "use this device" and "send midi clock to this device".
  • In Traktor, open the sync panel thing up the top by clicking the metronome.
  • Click "EXT" button - this tells traktor to listen for MIDI Clock.

Now get a track (with an accurate grid!) loaded into a Traktor deck. In Reaper, set up something locked to the Reaper beat grid - for example, an audio or midi loop.

Press play in Reaper so your loop plays forever. In Traktor, the sync panel should show a tempo similar to the tempo in Reaper. You'll notice that it wavers about a bit. Press play on your gridded track and click Sync.

The Traktor deck should be roughly in sync with Reaper! (In fact, it is loose enough that it sounds a bit like a real DJ is nudging it.)

Questions:

  • If we send the MIDI over a network or MIDI connection to a different machine, will this sync well enough to bother with?
  • Can we sync two copies of Traktor (on different machines) this way?

If you have problems (or corrections), comment below so we can determine what I really did to make this work.