Re: [LAU] denoising audio files

On 05/22/2012 12:36 AM, Thomas Vecchione wrote:
> On Tue, May 22, 2012 at 4:36 AM, david <gnome@email-addr-hidden
> <mailto:gnome@email-addr-hidden>> wrote:
>
>
> Audacity has a noise removal feature that lets you select a few
> seconds of what you consider noise, and identify that to the program
> as noise. A good spot for me is areas in a recording that are
> supposed to be silent but generally aren't if you're recording mic
> input live. Then you select the whole track and run the noise
> removal on it. Works well enough for me.
>
>
> As I mentioned above, unless they have made sudden huge leaps in quality
> of their noise reduction process it isn't really a good quality tool. I
> know from conversations with Ricardus some of his uses and they are
> similar to what I have done in the past as well, for example restoring
> old analog recordings, etc. Where depending on the source material you
> have to have a pretty dang minimal artifact experience(Recordings of
> high dynamic range classical music for example), and also depending on
> the source material the exact needs may change over time, requiring
> automation to use effectively. Neither of these applied in my
> experience with Audacity's tool.

High dynamic range classical music was exactly what a friend of mine was
working with. First step was extremely-well-cleaned vinyl. He recorded
them from a high-end turntable through an Audiophile 2496. Then cleaned
in gnome wave cleaner. I've heard the digitized versions, and there is
no noise in them ...

-- 
David
gnome@email-addr-hidden
authenticity, honesty, community
http://clanjones.org/david/
http://dancing-treefrog.deviantart.com/
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