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Editing Audio Files Removing Background Noise

#1 User is offline   don.roberson@doi.idaho.gov 

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Post icon  Posted 12 June 2006 - 08:20 AM

I have recently purchased EMC 8 and I am using it professionally. I have a digital audio taped interview (Sony Digital Recorder ST25 converted to a digital WAV file) that has a lot of background noise (radio playing, talking, etc.). I need to remove the background noise so the interview can be transcribed. Have any of you attempted this before? What works best? What's the best way to approach?
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#2 User is offline   Beerman 

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Posted 12 June 2006 - 08:37 AM

View Postdon.roberson@doi.idaho.gov, on Jun 12 2006, 11:20 AM, said:

I have recently purchased EMC 8 and I am using it professionally. I have a digital audio taped interview (Sony Digital Recorder ST25 converted to a digital WAV file) that has a lot of background noise (radio playing, talking, etc.). I need to remove the background noise so the interview can be transcribed. Have any of you attempted this before? What works best? What's the best way to approach?

Sound Editor has a tool to clean up and enhance the audio but I've never used it. I would think you might do better with a commercial program to do what you want but since you already have EMC8, give that a try and see if it works to your satisfaction.
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#3 User is offline   d_deweywright 

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Posted 12 June 2006 - 09:20 AM

View Postdon.roberson@doi.idaho.gov, on Jun 12 2006, 12:20 PM, said:

I have recently purchased EMC 8 and I am using it professionally. I have a digital audio taped interview (Sony Digital Recorder ST25 converted to a digital WAV file) that has a lot of background noise (radio playing, talking, etc.). I need to remove the background noise so the interview can be transcribed. Have any of you attempted this before? What works best? What's the best way to approach?

Well, I would suggest under "Clean Up Audio" the DeNoiser may help. Use the "Bypass" button as you play the clip to hear how the settings are affecting the final sound. On top of that, use of the Parametric Equalizer in "Sound Effects" may help you out some, to enhance the voice you want and reduce the sounds you don't. Obviously, you'll have to do some fiddling around with all the settings to see what works on your source material.

Good luck!
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