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Tuesday
Jun152010

Vuvuzela Filter

Today I spoke with a colleague about the removal of the sound of those vuvuzelas during the world cup football broadcasts. It should not be that hard to build a vuvuzela filter, as the majority of the humming (that sounds like a swarm of bees from a distance) is tuned to B-flat. Of course, I was not the first one thinking of this. 

Many TV-watchers complain, but who are we to ban this African tradition? Adding a filter should not be very difficult, and indeed it is not: the German Tobias Herre created a simple tutorial on how to set up a multi band equalizer in Logic Express to filter out the unwanted frequencies. Be sure to check out the included sound examples. The vuvuzelas are completely gone!

Read the article (translated from German by Google) here.

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Reader Comments (6)

Hi there.
We (a friend and I) made a PureData version of the Vuvuzela filter:
http://joaomartins.entropiadesign.org/2010/06/15/vuvuzela-filter-a-puredata-approach/

June 15, 2010 | Unregistered CommenterJoão Martins

yeah let's whitewash all football matches in all countries and make them all exactly the same. lol. i love the vuvuzela. it's part of the atmosphere. get over it.

June 15, 2010 | Unregistered Commenterunimpressed

There´s also a AU plugin for free. It´s not a simple notch-filter but uses sonicworx de-mix technology. Does a great job.

-----------------------
Prosoniq Releases VuvuX for Mac: Free Vuvuzela Filtering PlugIn
---------------------------------------------------------------

Karlsruhe, Germany, June 14th, 2010 -- Prosoniq is proud to announce
the world's first realtime Vuvuzela filtering plug in based on
sonicWORX' audio de-mixing technology. VuvuX is a free AudioUnit plug
in that suppresses the noise created by the South African trumpet
called "Vuvuzela" in realtime without affecting the audio commentary
or the stadium atmosphere, allowing you to enjoy a noise-free World
Cup 2010. More information on sonicWORX Isolate can be found at http://www.sonicworx.com
Download the plug in by clicking the below link.

URL: http://www.vuvux.com/

June 15, 2010 | Unregistered CommenterHans

@João: Good job!

@unimpressed: Good for you man, this post is obviously not for you. Enjoy!

@Hans: I hadn't seen that one, nice. The download link didn't seem to work, so I changed it to the Vuvux home page.

June 15, 2010 | Registered Commenteradmin

Here's a McDSP NF575 and BNR Approach - http://trevor.ucsd.edu/vuvuzela.php

June 18, 2010 | Unregistered CommenterTrevor

Check out this article as well: http://silentlistening.wordpress.com/2010/06/15/vuvuzelas-and-the-politics-of-noise/

I've been going to some matches, and boy I'm glad I brought ear plugs :-) It's actually quite incredible when you're there in the bee hive! And oddly enough one gets used to it. On TV it's really annoying though.

June 19, 2010 | Unregistered CommenterAndrew

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