Host Broadcast Services, the company that provides the broadcast feed for the World Cup, said Tuesday it has doubled its audio filters to reduce the constant

Host Broadcast Services, the company that provides the broadcast feed for the World Cup, said Tuesday it has doubled its audio filters to reduce the constant blaring buzz of vuvuzelas. Ref: http://soccernet.espn.go.com/world-cup/story/_/id/5287552/ce/us/bbc-mulls-vuvuzela-free-option-viewers?ver=us&cc=3436 http://soccernet.espn.go.com/world-cup/story/_/id/5287552/ce...