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AnnieOakleyFilms
Participant
April 13, 2017
Question

Adaptive Noise Reduction In Premiere Pro CC 2017

  • April 13, 2017
  • 2 replies
  • 8820 views

So I had this same problem with the DeNoiser a while back.  When I added the Adaptive Noise Reduction (ANR) to all my clips with audio, there was a delay and a hissing noise.  I understand that the delay is there because the system is adapting, so that's why I tried to put ANR onto my master mixer so that rather than applying it to all the clips individually, it would apply ANR to the clips holistically.  This worked for me when I used the DeNoiser effect.  However, this doesn't seem to be working for ANR.  It works for some of my clips, but not for most of them.  I was wondering if anyone has found a solution?  Someone said something about using keynotes but my audio is timed to music so I don't have room to expand it.  Does ANR export without this delay?  Or is the delay there for good? 

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    2 replies

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    project17
    Inspiring
    August 11, 2017

    One thing you can do that I've found to be still hacky kind of workaround is to apply the adaptive noise reduction as a slot fx in the Audio Track Mixer.  You still get the ramp up on the first clip, and as long as you have all the audio clips butted up against one another, you will avoid the ramping up on each clip.  Not ideal at all, but if you have an interview that you are cutting out a lot of "ums, ahhs" etc... It can do the trick.  But again, it's still annoying.

    Crumplepop's Audio DeNoise seems to work pretty great.  Its simple and fast, but $99 US.  Not expensive, but still $99 bucks out of your wallet which is kind of annoying when we know PPro has the ability to do noise reduction on its own... it just doesn't do it well.

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    David Arbor
    Inspiring
    April 13, 2017

    The delay is part of ANR. It analyzes the first few seconds of your audio and applies that noise reduction across the rest of your clip(s) or track. If you have clips with different noise floors and patterns on a single track the ANR isn't going to constantly change to adapt to each of those clips, it's going to apply the noise reduction that it estimated at the very beginning. You would need to put your different audio sources on multiple tracks.

    Alternatively, you could send the entire timeline to Audition, open the Essential Sound Panel, select and tag all the clips as dialog and then check the Reduce Noise box. This will add ANR to each clip as a clip effect, but then you'll have the delay before all clips.

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    excited_Genie16B8
    Legend
    April 13, 2017

    but then you'll have the delay before all clips.

    Would you, though?  The issue with audio effects taking a second or so to "ramp up" before they're applied seems more of a PP issue.  I've never encountered this phenomenon with Audition.

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    AnnieOakleyFilmsAuthor
    Participant
    April 13, 2017

    Could you explain to me how you avoid this delay in audition?

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