[sdiy] Filter terminology question

[Don Tillman]

   > From: Mididood at aol.com
   > Date: Thu, 20 Nov 2003 14:02:27 EST
   > 
   > I could never get my mind around this term: 'pole'.

Uhh...

   > The term 'pole' comes from the concept of a 'Tent Pole' and how -
   > assuming you've seen a big circus tent or whatever - have a pole
   > sticking up in the middle

I think we're all familiar with the concept of pitching a tent.

   > and you get that 'response' curve which we usually look at in the
   > 2D plane for 'filter response curves', but in the 'cloth' of the
   > tent, is actually a 3D thing

Oh dear...  

  -- Don

-- 
Don Tillman
Palo Alto, California
don at till.com
http://www.till.com