[TriLUG] Sound Processing

[Joseph Mack NA3T]

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

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Joseph Mack NA3T EME(B,D), FM05lw North Carolina
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