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markg63618174
markg63618174
Participant
July 24, 2017
Answered

Adobe Audition

  • July 24, 2017
  • 3 replies
  • 431 views

Hey Community! I've been having a problem capturing clean audio on a production I was on. We thought it was the compressor, but turns out it's something else that our broadcast gear was doing. The product in question is a the Tricaster 860. I'm going to post a picture of the audio and the weird wave patterns it produced. What i need help with is finding out what that weird pattern is and what could've caused it. The problem is the audio sounds fine and then sounds like the speaker put his hand over the mic to muffle it (which he didn't). If you look close you can see a DNA looking strand in the audio.  Thanks for your help

    This topic has been closed for replies.
    Correct answer SteveG_AudioMasters_

    This sounds remarkably like a mic technique issue. What sort of mic was being used? If it was a fixed-position mic and he was preaching, then the chances are that just turning slightly would cause this sort of effect. The other issue with this that I've noticed is the gain-staging one (which can also affect this). It seems that the limiter is kicking in pretty frequently, which indicates to me that either the gain on the preamp is too high, or that the limiter threshold is set too aggressively. Attending to that is bound to improve the overall sound, I feel.

    3 replies

    markg63618174
    markg63618174Author
    Participant
    July 24, 2017

    Here is the link to a clip from that file. I hope my description of the problem is adequate. I really appreciate the help guys.

    Dropbox - Sample Bad Audio.wav

    SteveG_AudioMasters_
    Community Expert
    SteveG_AudioMasters_Community ExpertCorrect answer
    Community Expert
    July 24, 2017

    This sounds remarkably like a mic technique issue. What sort of mic was being used? If it was a fixed-position mic and he was preaching, then the chances are that just turning slightly would cause this sort of effect. The other issue with this that I've noticed is the gain-staging one (which can also affect this). It seems that the limiter is kicking in pretty frequently, which indicates to me that either the gain on the preamp is too high, or that the limiter threshold is set too aggressively. Attending to that is bound to improve the overall sound, I feel.

    SteveG_AudioMasters_
    Community Expert
    SteveG_AudioMasters_Community Expert
    Community Expert
    July 24, 2017

    Can't really tell very much from just looking at a waveform, I'm afraid - need a sample of the (uncompressed) audio to go with it - at which point the waveform is actually redundant, of course. You'd have to post it to somewhere like Dropbox and provide an external link to it as well; this forum doesn't support audio uploads (go figure...)

    But isn't a Tricaster 860 a vision mixer?

    ryclark
    ryclark
    Participating Frequently
    July 24, 2017

    Virtually impossible to tell just looking at the image. Can you post a clip from it for us to listen to? Post an uncompressed .wav (not an .mp3) onto a file sharing site like Dropbox, Google Drive etc. so that we can cast an ear over it.

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