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Italy's Margherita Granbassi waves at the referee after defeating fellow countrywoman Giovanna Trillini (unseen) in the Women's individual Foil Bronze medal match on August 11, 2008 at the Fencing Hall of National Convention center, as part of the 2008 Beijing Olympic games. Granbassi won 15-12.     AFP PHOTO / PHILIPPE DESMAZES (Photo credit should read PHILIPPE DESMAZES/AFP/Getty Images)
Italy's Margherita Granbassi waves at the referee after defeating fellow countrywoman Giovanna Trillini (unseen) in the Women's individual Foil Bronze medal match on August 11, 2008 at the Fencing Hall of National Convention center, as part of the 2008 Beijing Olympic games. Granbassi won 15-12.     AFP PHOTO / PHILIPPE DESMAZES (Photo credit should read PHILIPPE DESMAZES/AFP/Getty Images)

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CNN En Garde looks at the impact of video replay technology in fencing as we catch up with two Brazilian referees at a test event ahead of the Olympics.

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CNN En Garde looks at the impact of video replay technology in fencing as we catch up with two Brazilian referees at a test event ahead of the Olympics.