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Re: estimating direction and distance of gibbon calls

Subject: Re: estimating direction and distance of gibbon calls
From: "Curt Olson" flipov411
Date: Sat Dec 20, 2008 6:41 am ((PST))
Bernie, would you be willing to elaborate on this?

We know about differing frequency response characteristics. Skull
structure, outer ear size, shape and placement will all certainly have
their effect. So will brain power, channeled by inbred priorities and
experience.

What other factors would you point out?

Curt Olson

Bernie Krause wrote:

> ...and don't forget that critters hear and process sound very
> differently than we do.
>
> Bernie
>
> On Dec 19, 2008, at 12:29 PM, Marc Myers wrote:
>
>> The area depends on how far the calls can be heard. If one can say
>> that the farthest call was at 300 meters, One has to say that's the
>> limit. Topography, of course, effects everything but my guess is
>> human ears will be more reliable than technology in terms of
>> distinguishing the primary sources.




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