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Application Notes

Mix Minus, It’s Not Just for Codecs Anymore

I was voice-tracking the other night (using a traditional analog console, boo hiss!) when it ocurred to me: this could be a lot easier if they put this on a mix minus bus...

See, most automation systems will play back the heads and tails of the music while you record your voice, requiring you to keep the PC potted up - but if you leave the PC in the same mix bus as your microphone you get the music into your recording along with your voice. At best this means the music will play back louder while the track is playing, at worst this means that the music will appear to stutter as the voice track is playing a piece of the song out of sync with the track that is currently on air.

The traditional method is to feed the record input of the automation PC from an auditon bus and have the operator put everything but the pc into audition, then monitor program. Invaribly, someone puts the automation PC into audition (in the case of the studio I'm using in my example, you must do this to play something from the automation PC into Pro Tools) and the next person to voice track doesn't look.

The flexibility of the Logitek Console Router System means you can buck tradition and eliminate operator error. Assign your studio PC's their own stereo mix minus bus, and you can guarantee that your operators don't create a feedback loop or get their music caught in a voice track again. With 25 mix minus busses available, chances are you have enough free mix minus busses to do this.


How to do it:

  1. In input settings, click on the line number of your automation PC. In the Mix Minus Bus box, type the number of the next available mix minus bus.
  2. Go to System Page. In the Mix Minus grid, locate the mix minus bus number you chose in step 1. Click the PGM box, the Bus Always On box, and the Stereo box in that column. The mix minus bus to the right will now appear grey as the router needs to combine that bus to create a stereo pair.
  3. Go to Surface Settings, then click on the yellow Output Selections tab. Locate the output to your automation PC and change the output assignment to the mix minus bus you just created.
  4. Upload your new configuration to the router.

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John Davis
Logitek Electronic Systems, Inc.

 

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