Devuvuzelator is the bprogram you need to eliminate the sound of vuvuzelas during the matches. You only have to double-click te executable file and choose the inensity of the sound of the tedious instrument.
Of course, the progrram has to be run on the same computer we are using to listen to the commentaries.
Devuvuzelator can be the verybest friend of a football fan this world Cup.
Have fun and forget the annoying sound of those trumpets called Vuvuzelas.