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scottwmackey
Participant
August 5, 2018
Answered

Multitrack adding(?) noise

  • August 5, 2018
  • 1 reply
  • 877 views

Hi all,

I am trying to use Audition for the first time ever and coming across a undesirable behavior. When I record my voice in Multitrack mode and play it back, there is a lot of variable white noise between my words. The noise virtually disappears when there is voice and picks up dramatically during silences. If I switch to Waveform and play the audio I just recorded, it sounds great, no noise a very rich sounding voice. If I then save the single file as an mp3 and play it back in iTunes or something, it also sounds great. If I export the multitrack mix down to an mp3 and listen to that file in iTunes, all the noise is back. Why the difference and is there anything I can do about it? I've searched but all I can find is stuff about using noise reduction. That seems wrong to me because I can clearly save the file without noise which should indicate that the noise is actually not there. It is being added by something in the Multitrack mode. Any help would be greatly appreciated by this absolute newbie.

Thanks in advance.

      This topic has been closed for replies.
      Correct answer SteveG_AudioMasters_

      Well... you haven't provided a shot of the mixer, but even so it's pretty clear what's happening. You've got the speech volume leveler on track one as a track effect. Remove that (it has no place being there) and all will be well. What the speech volume leveler does is even out speech levels by altering the gain of the signal, and this inevitably has the effect of modulating the noise. It's worst when you have silence in pauses - it thinks there ought to be speech there and turns it up as far as it will go! If you want decent sound from speech, it's not exactly an ideal way to achieve that; looking at the levels you have after you've recorded them and applying a limiter to the peaks is a much better-sounding approach, as it doesn't alter the overall level.

      1 reply

      SteveG_AudioMasters_
      Community Expert
      SteveG_AudioMasters_Community Expert
      Community Expert
      August 5, 2018

      Can you show us a screen-grab of the multi-track mixer, please?

      S
      scottwmackeyAuthor
      Participant
      August 5, 2018

      I hope you can see enough from these. I have the respective mp3s but I can't seem to find a way to post them.

      Thanks again.

      SteveG_AudioMasters_
      Community Expert
      SteveG_AudioMasters_Community ExpertCorrect answer
      Community Expert
      August 6, 2018

      Well... you haven't provided a shot of the mixer, but even so it's pretty clear what's happening. You've got the speech volume leveler on track one as a track effect. Remove that (it has no place being there) and all will be well. What the speech volume leveler does is even out speech levels by altering the gain of the signal, and this inevitably has the effect of modulating the noise. It's worst when you have silence in pauses - it thinks there ought to be speech there and turns it up as far as it will go! If you want decent sound from speech, it's not exactly an ideal way to achieve that; looking at the levels you have after you've recorded them and applying a limiter to the peaks is a much better-sounding approach, as it doesn't alter the overall level.

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