On Wed, 23 Nov 2011 13:38:19 -0800 (PST), "
wrote:

Plowman- whip out a spectrum analyzer and check your statement.

I think you'll find at least 95% of the energy is within that
bandwidth.

My vocal range, from bass notes to sibilants is about 70Hz to over
20kHz.Where 95% of the energy lies is another question entirely.

d