I played for a bit and had great fun with these sounds in Audition
1.0. I found in order to eliminate the water sound I had to hit the
noise reduction as hard as I have ever tried to hit anything. I can
not say it is better than the original because the water sound does
add something. If the goal is reduction of the water sound all I
would get with a lighter noise reduction setting was artifact. So I
went with the option of hitting it so hard as to try and kill it
completely. These mp3's are very small for download.
Bloop
Applied hard noise reduction at 100% with a reduction of 75 db having
taken a sample to model the reduction from a quiet segment at the
end. This probably did reduce the echo effect. I cut and replaced
with silence the first 2 seconds. I clipped the end off.
http://home.comcast.net/~richpeet/altbloop.mp3
Train
Sampled for noise reduction within the queit center section. Applied
to entire segment very hard. Set at 100% noise reduction level and
reduction by 75 db. Then clipped both highs and lows tighter in order
to minimize remaining artifact.
http://home.comcast.net/~richpeet/alttrain.mp3
Noise 97139
Determined the portion to sample for noise reduction and noted that I
did not want noise reduction to include the very low frequencies with
a constant tone. I did a fft filter cut below 100 cycles in the first
segment and then sampled that filtered segment for the model in noise
reduction. I then undid the fft filter and applied the noise
reduction to the entire segment very hard. 100% reduction by 75db. I
then cut highs and lows tighter and clipped the end to reduce
artifact.
http://home.comcast.net/~richpeet/altnoise97139.mp3
Whistle
Could not find a solution
Upsweep
Could not find a solution.
These sounds will be removed from my server as examples of
alternatives at the end of this week. This is because they are not
my files and I understand I really don't have permission to post them.
Rich Peet
--- In "Anthony Kirchgessner"
<> wrote:
> In an attempt to get up-to-speed with my sound editing software, I
> decided to use the sound files located here
>
> http://www.pmel.noaa.gov/vents/acoustics/sounds_mystery.html
>
> as a way of practicing to reduce background noise. I thought others
> might find them useful, too.
>
> These are a few of NOAA's "mystery sounds" and contain much "Sea
> Hunt"-type noise. I found it a useful exercise to try to isolate
the
> mystery sounds from this noise. I had moderate success with all but
> one of these file -- Upsweep.
>
> Can anyone recommend any other sets of files for editing practice?
>
> Incidentally, these sounds, isolated or not, would be fantastic for
> that Halloween ambiance. Playing them out the front window of your
> home will be a sure way to keep the youngsters at bay! I found
> Slowdown to be particularly disturbing.
>
> Cheers,
> Tony Kirchgessner
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