[linux-audio-user] Noise reduction with FFT

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On Thu, Jan 06, 2005 at 01:42:36AM -0600, Spencer Russell wrote:
> I've got this really noisy audio file I'm trying to clean up, and
> I was thinking, it would be really cool if I could run a clip of
> the file that was just the noise(it's a recording of a discussion
> for a TV broadcast, so when no one's talking, it should be
> silent) and have the program output an average frequency content,
> in some sort of format that another program could take it as
> input and create a filter that would filter out those
> frequencies.

Isn't that exctly the way that the noise reduction "effect" in Audacity
works (and other packages that do a similar job) ?

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