Lindy,

In the pasted I built speaker system and I am going to talk
by experience. The only reason you hear bass is because of the 
only way you can amplify the base is put them in the box and the
house is acting as a box and bigger box is higher base will be.
Higher frequencies are opposite of base.


Andre Abelian 



-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
Of Lindy Mayfield
Sent: Wednesday, June 27, 2007 11:31 AM
To: Microcontroller discussion list - Public.
Subject: [OT] Why do I only hear the bass drum? 


It doesn't happen often, but now and again a neighbor some houses down has a party or for some reason turns up the music really loud.  And it's the worse possible music to pick because it has a very loud bass drum on every beat.  Probably techno.  So all I hear is boom-boom-boom-boom,boom-boom-boom-boom,etc.

It's worse than Chinese water torture.

Anyway I was trying to understand why I only hear the bass.  Is it because of the length of the wave that it travels farther or through more things than the higher notes?  I was trying to make a comparison for example between AM radio waves, FM, and cell phones in the gigahertz range.  Or is it because there is so much more energy in the bass?  But then I though how far away one can hear a mosquito with a high pitch in a room or how far a piccolo or fife will carry.  

Does anyone have a theory or answer as to why the bass carries so far?  At least thinking about the physics keeps me from going postal.  (-:

Lindy

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