[linux-audio-user] recording bats?

[Eric Dantan Rzewnicki]

On Tue, Nov 09, 2004 at 11:58:54AM -0800, Erik Steffl wrote:
> mik wrote:
> >a certain jonathan segel <jsegel at magneticmotorworks.com> wrote:
> >>if you do end up recording bats, and slowing them into audio range, i 
> >>for one would like to hear the files!
> >http://www.partnersinrhyme.com/soundfx/batsounds.shtml
>   you (original poster, I don't have the first post anymore) might also 
> consider other animals - small rodents, cats. Cats hear up to about 
> 60kHz (that's what I remember, even if it's not the right number they 
> hear a lot higher frequencies than we do), it was explained in the book 
> I read that that's what they need to be able to hear the small rodents 
> (so I guess small rodents emit sounds up to about 60kHz), plus cats use 
> higher frequencies to communicate among themselves (that's why you only 
> hear them doing the meow sounds when they are around humans).

Ah!! very, very interesting. We have 4 cats. Communication above our
hearing range would explain alot about how they all seem to notice some
things at the same time and other collective behavior. And here I was 
thinking they were telepathic. I'm glad I asked my original question. :)

-Eric Rz.