About Those Waves Vuvuzela Presets, Some Open Code, and Broadcasting Noise…

Photo (CC-BY) Bruce Turner. The explosion of interest in filtering out sounds of the vuvuzela has spawned some interesting discussions. Most amusing to me is the notion of some sort of anti-vuvuzela bias. The simple matter of the fact is, recorded (and broadcast) sound are not the same as the sound you hear when you’re physically in a location. If you’re at a sporting event, you hear all kinds of noise. Your expectations are differently calibrated, and you have 360 degrees of (real world) sound spatialization. Watching TV is different. You want background sound, yes, but not to the point …

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Guide to Vuvuzela Fever: Suddenly, Everyone Cares About Notch Filtering

Vuvuzela Orchestra Demo from Pedro Espi-Sanchis on Vimeo. It’s an extraordinary sporting event, one in which the spirits of the many nations of the planet come together, driven by a passion for one thing. No, not football. Notch filtering, apparently. It’s not very often geeky audio matters cross onto the mainstream radar, but such has been the case in the divisive case of South Africa’s beloved vuvuzela horns. Yesterday, I used the whole thing as a teachable moment for learning Linux audio routing, but since then, my inbox has been bursting at the seams. Along the way, we learn more …

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