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Problem with recording (pops in OH)

Discussion in 'Recording' started by Rokoko, Oct 3, 2006.

  1. Rokoko

    Rokoko Guest


    I'm new here. I got problems with recoring overheads (2xBehringer ECM 8000). From time to time some pops occur. Interface is Presonus Firepod. It always occurs on left overhead mic (channel). I tried to change mics (left to right and right to left), tried to change Firepod's channel, tried to change mic cable, but pops are always on my left-overhead. Only difference is that left channel's mic cable is about 7 feet longer.
    I also listened to some old recordings of OH - few weeks old, but there weren't any problems.

    Have anyone got some experiences with this? Any suggestions? Is this software or hardware problem? I'm running short of ideas...
  2. RemyRAD

    RemyRAD Guest

    Sep 26, 2005
    Rocky Rokoko, you and the rest of the Bozos on the bus may discover that the problem is digital and not analog in nature? You may need to tweak your computers settings for optimal results? Something you have loaded has perhaps changed your machine from its previous settings? This frequently happens when the cache or buffers are not properly adjusted in your audio software of choice. There is no hard and fast settings to use. You must change the settings one-way and then the other and try the recording again and continue to do this until the problems are resolved.

    We are all Bozos on this bus (Firesign Theater 1973?) Squeeze him there maybe he'll pass another?
    Ms. Remy Ann David
  3. Boswell

    Boswell Distinguished Moderator Resource Member

    Apr 19, 2006
    Home Page:
    When you changed OH mics (L/R and R/L), did you physically pick up the mics on their stands and interchange them, or did you unplug the cables and simply exchange the microphone bodies?

    If the latter, try exchanging the whole mic-cable-stand combination and see if the problem stays on the left. This isn't as daft as it sounds, but before you do it, extend the RH mic lead by using another XLR cable joined on so that you have enough length to do the interchange.

    Also try turning the channel gains down by (say) 6dB and see if you still get the problem. From the nature of the waveforms, I think this is an analog effect, possibly overload, possibly d.c. blocking in one of the mics or input channels.
  4. Rokoko

    Rokoko Guest

    Thanks for tips.

    I assume the problem probablly is software nature (buffers, firepod drivers settings, cubase settings, ect.). I'll experiment with them this week and post the results.

    Thanks again!


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