[TriLUG] Sound Processing

Joseph Mack NA3T jmack at wm7d.net
Tue Jul 10 15:40:31 EDT 2007


On Tue, 10 Jul 2007, Jim Ray wrote:

> Wouldn't a single pole high pass at 800 Hz slam 60 Hz into the noise
> floor?

well yes, but you'd loose a lot of stuff between 800 and 60 
that you could otherwise keep. Multipole filter are the norm 
with opamps. With digital filters you can have any number of 
poles.

Joe

-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!



More information about the TriLUG mailing list