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Logic Pro freezes when high frequencies recorded-why?

310 Views 7 Replies Latest reply: Apr 23, 2013 3:15 AM by Cobalt19 RSS
Cobalt19 Level 1 Level 1 (10 points)
Currently Being Moderated
Apr 21, 2013 3:02 PM

Hi. A most frustrating negative occurrence - whenever I try to record high frequencies into an audio track of logic Pro, it ' breaks up' audibly and the programme stutters and sometimes freezes. What is going on? It does not happen at middle or lower frequencies, and I have checked that both the recording channel input level is not overloading nor is the master 'out' of the mixer overloading.


What makes this particularly galling is that I just spent a huge whack on a quality Moog synth and now I cannot record it without this issue. Its bad enough that my MacBook Pro (2010 model, 7200rpm hdd & 4Gb memory) often falls over when i have all of two audio tracks and several midi tracks running - but this is different, I have nothing else recorded and no midi tracks running and Logic fails as soon as it hears high frequencies (e,g. Filter resonance sweep).


I have a high quality audio interface (RME Fireface 400 firewire) which is exhibiting no problems.


Has anyone got any ideas on why this problem is happening, and any remedies?

MacBook Pro, Mac OS X (10.6.8), 2.8Ghz Intel, 4Gb DDR
  • Pancenter Level 5 Level 5 (7,505 points)

    Is the filter-resonance sweep manual?


    It could be (probably is) something not related to frequency at all..


    What model Moog?

  • Pancenter Level 5 Level 5 (7,505 points)

    My contention is the Manual Filter Sweep is sending out some kind of MIDI DATA (depending on how it's mapped) and this is in fact what's crashing Logic...


    It may not even be MIDI data, just something in manual sweep.


    Could be wrong but I would start there.

  • Pancenter Level 5 Level 5 (7,505 points)

    The voyager has a Kenton retro-fit kit installed?

  • Pancenter Level 5 Level 5 (7,505 points)

    Sorry, you've never connected MIDI.. yikes.


    So ONLY the audio outputs are connected?

    Trying to grasp as I've never heard of a problem remotely close to this.


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