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Noise reduction not working correctly?

May 14, 2012 10:00 PM

Hey all,

 

First time posting in the Audition forum. I am using the trial of CS6 for mac.

 

I am not a master of audio by any means, so please excuse me if this is an easy answer.

 

I am in Premiere editing together a movie trailer. Some audio clips with dialogue have background noise I need removed, so I used the dynamic link to bring it over to Audition (a really cool feature).

 

Once in a go through the steps necessary to remove some of the background noise:

 

I select a length of the track in which we can only hear the background noise. Then I go to Effects>Noise Reduction>Capture Noise Print.. alls good.

 

Then I go and select the entire audio clip, then go Effects>Noise Reduction>Noise Reduction (Process)

 

Hit Apply, and go back to my audio clip, but only a small section (i.e only a portion of what I had selected) actually underwent the noise reduction. The first part sounds fine, but then the noise comes back in.

 

Also, when I use the adaptive Noise Reduction, it seems to work when previewing in the effects window, but when I apply, it only applies itself to a certain part of the clip, despite the fact that the entire clip was selected. I also noticed that the audio seems to "slide" between the part with noise and the part with no noise.

 

I would think I was doing something wrong, but when I try the exact same steps using Audition CS5.5, everything works perfectly. I just can't use the dynamic link which is a huge pain. It's just weirding me out that it's not working correctly in CS6.

 

Has anyone experienced this, or maybe have any solutions?

 

Best,

 

Dan

 
Replies
  • SteveG(AudioMasters)
    4,755 posts
    Oct 26, 2006
    Currently Being Moderated
    May 15, 2012 2:35 AM   in reply to dh91

    Well, not having the Mac version, and also not using Audition for video, I can't replicate your situation at all, but I'm assuming that once you've got your file into Audition, everything will be the same. So, I have a question:

     

     

     

    Then I go and select the entire audio clip, then go Effects>Noise Reduction>Noise Reduction (Process)

     

    Hit Apply, and go back to my audio clip, but only a small section (i.e only a portion of what I had selected) actually underwent the noise reduction. The first part sounds fine, but then the noise comes back in.

     

     

    When you select the entire clip, does the display maximise to show the whole file, and the whole thing turn white?

     

    The only safe way (in this non-modal situation) of selecting the entire file is to go Edit>Select>All (Ctrl-A), and not rely on mouse movements...

     
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    May 15, 2012 3:36 AM   in reply to SteveG(AudioMasters)

    When you open the Noise Reduction page do you click on the Select Entire File button?

     
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    May 15, 2012 3:56 AM   in reply to dh91

    I just tried some noise reduction (using the Select Entire File Button in the NR control screen) and all worked fine.

     

    The only potential difference is that I don't have Premiere so I was working on one of my "purely audio" files. 

     
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