Re: [LAD] twice as loud

On Friday 23 July 2010 12:13:32 fons@email-addr-hidden 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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