[LAU] Where do the 60 degrees for stereo come from?

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To: linux-audio-user <linux-audio-user@...>
Date: Thursday, June 16, 2011 - 8:11 pm

Hi there,
in a discussion today someone asked me where those 60 degrees necessary
for the production of phantom images come from and I couldn't deliver a
satisfactory answer. Someone tried to explain to me that it has
something to do with wavelengths or whatever but couldn't explain it in
a way that anyone would understand.

My best guess is that with a larger angle the head gets in the way and
the ears have an easier time telling the signals apart. Also, I guess 60
degrees is a rough estimate and chosen because this leads to a nice
Equilateral triangle.

So, what's the real reason behind those 60 degrees?

Regards,
Philipp

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Messages in current thread:
[LAU] Where do the 60 degrees for stereo come from?, Philipp, (Thu Jun 16, 8:11 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Fons Adriaensen, (Thu Jun 16, 8:35 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Philipp Überbacher, (Fri Jun 17, 8:58 am)
Re: [LAU] Where do the 60 degrees for stereo come from?, Fons Adriaensen, (Fri Jun 17, 5:48 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Philipp Überbacher, (Fri Jun 24, 11:58 am)
Re: [LAU] Where do the 60 degrees for stereo come from?, Fons Adriaensen, (Fri Jun 24, 1:13 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Charles Henry, (Mon Jun 20, 9:41 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Fons Adriaensen, (Mon Jun 20, 10:33 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Philipp Überbacher, (Thu Jun 16, 8:56 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Julien Claassen, (Thu Jun 16, 8:21 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Philipp Überbacher, (Thu Jun 16, 8:41 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Karl Hammar, (Fri Jun 17, 12:45 pm)
Re: [LAU] Where do the 60 degrees for stereo come from?, Monty Montgomery, (Thu Jun 16, 8:43 pm)