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curious on ultrasounds

Subject: curious on ultrasounds
From: "dobroide" dobroide
Date: Tue Jul 10, 2007 10:40 am ((PDT))
Thank you Martin & Ted

decreasing sample rate, nice trick. Definitely sounds very rubbing-like.

Yet I'm not sure its coming from the crickets as it's not trully
coincident with them. It may appear so because it's rhythmic:
http://farm2.static.flickr.com/1199/769450999_a96f462149_o.jpg
(BTW, strokes around 1 KHz are from a nightjar)

The fact that there were so many crickets singing in the sample
contributes to give the impression of synchronicity, yet other
recordings I've done of one cricket singing singly show no ultrasonic
components: http://farm2.static.flickr.com/1073/769451023_688f4adb2a_o.jpg)=
.

I'm starting to think of some kind of Tettigonidae (bush cricket) or
something, but who knows

Regards

D




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