On Friday 23 July 2010 12:13:32 [email protected] wrote: > On Fri, Jul 23, 2010 at 11:34:43AM +0200, Philipp Überbacher wrote: > > May I ask why you used 10*log(2/1) in your two person example? > You mean why power and not amplitude ? Two persons talking would > produce twice the power, since the signals are not correlated. > So if our idea of 'twice as loud' would be determined by such > experiences (but it clearly isn't), it would refer to power.
But if two people talking is power because their talking is uncorrelated (even if they speak about the same thing:), then making a PA louder (twice as loud as before) would be an amplitude thing as it is correlated. No? Arnold
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