  Sound engineer Bill Stewart, in blue, tries to hype up the crowd in an effort to break the Guinness World Record for loudest stadium. The crowd was successful, smashing the old record with 000.0 decibels.  Sound engineer Bill Stewart, in blue, tries to hype up the crowd in an effort to break the Guinness World Record for loudest stadium. The crowd was successful, smashing the old record with 000.0 decibels.  Photo: JORDAN STEAD / SEATTLEPI.COM  Image 00 of 000  Seattle Seahawks fans scream as the San Francisco 00ers are called for offsides.  Seattle Seahawks fans scream as the San Francisco 00ers are called for offsides.  Photo: JOSHUA TRUJILLO / SEATTLEPI.COM  Image 0