Vuvuzela-Filter or how to remove a swarm of flies from the broadcast

If you like football, then the word "vuvuzela" is not only well known to you, but you have already managed to get bored. For those who are not in the topic, I will explain - now the World Cup is taking place in South Africa and each broadcast is accompanied by the sound of the national African pipes (vuvuzel). It all sounds like (I apologize) a swarm of flies over fresh manure and annoying order. So, more to the point - one German engineer quickly bungled a device that removes the annoying sound from the broadcast using hardware and software.




The description (in German) of this thing, who is familiar with the language of Schiller and Goethe, can be read here . I know German extremely badly and understood only the essence of the idea - the sound stream is edited so that the frequencies characteristic of the sound of the vuvuzel are removed from it. And yet - the author of the device mentioned that "any computer will, in principle, cope with this computer with a modern sound card and the corresponding software." In this regard, I had a question - is it realistic to remove this hum directly from streaming video or is it all about editing the record? The first option would be very good ...