Quote:

You are correct Matt, I have done some EQ, but I am absolutely not an expert, and I guess that to "pinpoint" the noice frequency only is not for amateurs:-)



Noise typically covers a very broad range of frequencies.

It is therefore not a good idea to attempt to use EQ to cancel noise, for you would likely have to cut frequencies that also contain the information that is desired.

A Noise Cancelling Algorithm that SAMPLES the noise and then mathematically introduce the exact opposite to the entire file can sometimes do the trick, depending on how bad the noise is.

The free Audacity.exe Audio Editor program has a Noise Cancelling plugin included.

You highlight an area where there is nothing but the offending noise and take a sample of that with one mouseclick.

Then you highlight the entire track using Select All and have the plugin apply to the entire track.

Audition your result. If okay, you can save it that way. If the result is not up to the task, such as in it having too many digital artifacts, you can select Undo and then go back and repeat the application of the algorithm with a simple one-slider adjustment and audition the results again.

After application of the Noise Reduction algorithm, I find it is still necessary to go through a file such as that and find all the areas that are supposed to be silent, highlight each area and select the Silence command. This is especially important to do at the very beginning of a file and at the end, where there is usually a section of silence.


--Mac

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