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Bill,
Interesting recording. I've got an alternative theory. I believe
your visitor might be a beaver. The scratching sounds you captured
don't sound like they are in direct contact with the microphone,
rather they are occurring nearby. They sound like the beaver gnawing
a tree with sharp incisor teeth. I believe you've recorded a beaver
eating and cutting a tree in the night.
Kevin
On Jul 28, 2010, at 10:23 AM, immonacan99 wrote:
>
>
> Hi Paul,
>
> Yourself and Stan are not alone in this interest. My love of the
> outdoors, camping, birding, and nature recording.... has also lead
> me to pursue the source of what might have caused the unexplainable
> sounds that I've recorded, as well as my other strange experiences
> in the field. If interested to read, I've blogged one of those
> incidents that could possibly be infrasound related...here:
>
> http://imonacan.blogspot.com/2010/04/was-it-infrasound-terror-my.html
>
> I guess the only way to ever attempt to find out, would be to
> inquire about the proper equipment to record these ultra low
> frequencies. Once the right combination of mic/recorder/preamp is
> obtained... then hoping one might have the same or similar
> experience, while recording it.
> What to do with those recordings, or what to compare it to...would
> be another path less traveled. I've recorded some low frequency
> sounds (<15Hz), where I can see a peak on the Wav. file, but can't
> hear anything.
> I realize there are many various natural sources of infrasound, that
> would create the problem of how to sort it all out, and
> understand.... what, is what. That's more than I can take on right
> now, but would always enjoy hearing about the results of others.
> I still have the benefit of recording some interesting nature
> soundscapes, and reading the information on this list from the good
> folks here, which has always been helpful to me.
>
> Bill R.
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