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Matt Roe, an acoustical consultant with SSA Acoustics, measures noise levels in CenturyLink Field during an NFL football game between the Seattle Seahawks and the New Orleans Saints, Monday, Dec. 2, 2013, in Seattle. Fans attempted to set a Guinness World Record for crowd noise during the game. (AP Photo/John Froschauer)
Matt Roe, an acoustical consultant with SSA Acoustics, measures noise levels in CenturyLink Field during an NFL football game between the Seattle Seahawks and the New Orleans Saints, Monday, Dec. 2, 2013, in Seattle. Fans attempted to set a Guinness World Record for crowd noise during the game. (AP Photo/John Froschauer)

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