Top 10 Loudest NFL Stadiums: A Deafening Experience – EarPeace
What Will N.F.L. Games Sound Like Without Fans? - The New York Times
Kansas City Chiefs fans trying to reclaim noise record from Seattle Seahawks fans - Seattle Sports
Seattle Seahawks thunder past 49ers thanks to roar of world's loudest crowd, NFL
Seahawks fans look to regain world record for loudest stadium
The sounds of a Seahawks playoff game when there are no fans - Sports Illustrated
The art of noise in Seattle: Seahawks' 12th man helps create NFL's biggest home-field advantage – New York Daily News
Vikings thrilled to have a loud sellout crowd as fans return to U.S. Bank Stadium – Twin Cities
Seattle Seahawks break record for loudest stadium crowd roar
Kansas City Chiefs break Seahawks' loudest stadium record - Sports Illustrated