[sdiy] 233 Hz Notch Filter

[Tim Parkhurst]

Okay, maybe unrelated to pretty much anything, but this chap has
written a notch filter in LabView for removing the fundamental
frequency of a Vuvuleza from broadcasts and recordings:
http://decibel.ni.com/content/blogs/Simon/2010/06/16/world-cup-2010--filtering-the-annoying-vuvuzela-noise

I love it when science helps make our lives better ;)


Tim (should have sold a box with a pre-tuned notch filter before the
World Cup) Servo
-- 
"Sire, the church of God is an anvil that has worn out many hammers."
- H.L. Hastings