Re: denoising audio files

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On 05/22/2012 09:59 AM, Ricardus Vincente wrote:
On Tue, 2012-05-22 at 09:43 -1000, david wrote:

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 ...

  I have HEARD examples of Gnome Wave Cleaner doing some good work, but I
have never been able to get it to yield results like the demos I have
heard. It also crashes on large files for me. It wouldn't even load the
45 minute live-music sets that I attempted to use it on.

Hmmm - maybe export shorter parts of the 45-minute sets and test it on them?

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