--- title: How CenturyLink Field in Seattle Broke the Guinness Noise Record description: If the Seattle Seahawks go on to win the Super Bowl, players and fans should take the championship parade right down to the home stadium,... canonical: https://time.com/archive/7158478/the-science-of-sound-how-seattle-got-so-darn-loud/ author: TIME Staff article:opinion: false article:content_tier: free article:published_time: 2013-09-17T09:45:25.000Z article:modified_time: 2026-02-25T05:31:10.561Z article:section: Sports og:title: How CenturyLink Field in Seattle Broke the Guinness Noise Record og:description: If the Seattle Seahawks go on to win the Super Bowl, players and fans should take the championship parade right down to the home stadium,... og:url: https://time.com/archive/7158478/the-science-of-sound-how-seattle-got-so-darn-loud/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt0bf99d8c7c76bbdb/698a989fc9e941582d12431c/180798546.jpg?branch=production&width=3840&quality=75&auto=webp&crop=16:9 og:image:width: 1200 og:image:height: 675 og:image:alt: San Francisco 49ers v Seattle Seahawks og:type: article twitter:card: summary_large_image twitter:title: How CenturyLink Field in Seattle Broke the Guinness Noise Record twitter:description: If the Seattle Seahawks go on to win the Super Bowl, players and fans should take the championship parade right down to the home stadium,... twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt0bf99d8c7c76bbdb/698a989fc9e941582d12431c/180798546.jpg?branch=production&width=3840&quality=75&auto=webp&crop=16:9 ---  * [Sports](/section/sports/) # The Science of Sound: How Seattle Got So Darn Loud > Sponsored content. 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Terms and conditions apply. * Savings buckets are a feature of Ally Bank's Savings Account. * No ATM fees from Ally Bank at Allpoint and Moneypass ATMs plus we reimburse for fees charged by other ATM owners nationwide up to $10 per statement cycle. * Early direct deposit offers eligible direct deposits up to two days sooner. * Spending buckets are a feature of Ally Bank's Spending Account. by [TIME Staff](https://time.com/author/time-staff/) Sep 17, 2013 9:45 AM UTC  SEATTLE, WA - SEPTEMBER 15: Members of the Seattle Seahawks return to the field after a rain delay during the game against the San Francisco 49ers at CenturyLink Field on September 15, 2013 in Seattle, Washington. (Photo by Otto Greule Jr/Getty Images) SEATTLE, WA - SEPTEMBER 15: Members of the Seattle Seahawks return to the field after a rain delay during the game against the San Francisco 49ers at CenturyLink Field on September 15, 2013 in Seattle, Washington. (Photo by Otto Greule Jr/Getty Images)Getty Images—2013 Getty Images by [TIME Staff](https://time.com/author/time-staff/) Sep 17, 2013 9:45 AM UTC If the Seattle Seahawks go on to win the [Super Bowl](http://topics.time.com/super-bowl/), players and fans should take the championship parade right down to the home stadium, where they can toast a couple of canopies. On Sunday night, fans at CenturyLink Field in Seattle broke the Guinness World Record for the highest peak decibel level — 136.6 decibels — ever recorded at a stadium. Since Seattle’s stadium opened in 2002, its raucous fan base, dubbed the 12th Man, has given opponents fits. Players have trouble hearing the quarterback’s instructions, which can cause delay-of-game penalties and generally throw an offense out of sync. The noise clearly bugged the San Francisco 49ers. Seattle walloped the defending NFC champs on Sunday night, 29-3. While the vocal cords of Seahawks fans surely deserve credit for piercing ears, so do the designers of CenturyLink Field. Even though it’s a mostly open-air stadium, the building traps noise. While CenturyLink Field isn’t domed, two huge canopies — one on the east side of the stadium, the other on the west side — cover 70% of the seats. This design has two benefits. One, it protects fans from Seattle’s famous rain. And two, it pumps up the volume. (**MORE:** [Why I’m Abstaining From the NFL](http://ideas.time.com/2013/09/15/why-im-abstaining-from-nfl-football/)) “The main thing that creates noise is any type of overhanging structure that reflects sounds back into the stadium,” says Andrew Barnard, a research associate at [Penn State](http://topics.time.com/penn-state/)‘s Applied Research Laboratory, specializing in structural acoustics. What’s more, Seattle’s stadium has two additional overhangs, functioning as the bottom of the upper seating bowl, that cover the lower seating bowls. “Sound also reflects off the bottom of the upper deck, and back onto the field,” says Barnard. The curves on these canopies are also key. “They are large parabolas,” says Bill Stewart, managing partner at SSA Acoustics, which is based in Seattle. Stewart was responsible for measuring the record-setting noise on Sunday night. “The curvature and angles of the canopies act to focus the sound energy onto the playing field, producing higher noise levels.” These physics also change behavior. “Fans get caught up in it,” says Stewart. “They experience an intense increase in the sound levels that they would not normally experience in an outdoor environment, and are energized by it.” As a result, they scream even louder. Over a decade ago, Seahawks owner Paul Allen told Jon Niemuth, the architect of CenturyLink Field, to model his team’s new home after Husky Stadium, home of the University of Washington. Allen wanted that crazed, college feel. So at CenturyLink field, the seats are relatively close to the field. In the north end zone, the design team created rows of aluminum bleachers. “When fans stomp on them,” Niemuth says, “things get really loud.” Niemuth, however, did not anticipate the sound effects of the curved canopies. He calls this result a “happy accident.” The [NFL](http://topics.time.com/nfl/) is known as a copycat league; if one tactic works, other teams start using it. But teams haven’t rushed to mimic Seattle’s stadium model. “Not every client starts at a place where they want world-record sound,” says Niemuth, whose firm — AECOM Ellerbe Becket — helped design Ford Field in Detroit, and renovate Soldier Field and Lambeau Field. Just look at some of the newer football stadiums, like Ford Field, Lucas Oil Field in Indianapolis, AT&T Stadium in Arlington, Texas, and MetLife Stadium in East Rutherford, N.J. They’re massive. But the seats aren’t on top of the players. They don’t scream like Seattle. **MORE:** [Seahawks Dismantle 49ers; Manning Proves Big Brother Plays Best](http://keepingscore.blogs.time.com/2013/09/16/nfl-roundup-seahawks-dismantle-49ers-manning-proves-big-brother-plays-best/) ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/archive/7158478/the-science-of-sound-how-seattle-got-so-darn-loud/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/archive/7158478/the-science-of-sound-how-seattle-got-so-darn-loud/"},"headline":"The Science of Sound: How Seattle Got So Darn Loud","datePublished":"2013-09-17T09:45:25.000Z","dateModified":"2026-02-25T05:31:10.561Z","description":"If the Seattle Seahawks go on to win the Super Bowl, players and fans should take the championship parade right down to the home stadium,...","url":"https://time.com/archive/7158478/the-science-of-sound-how-seattle-got-so-darn-loud/","keywords":["Football"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt0bf99d8c7c76bbdb/698a989fc9e941582d12431c/180798546.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"TIME Staff","url":"https://time.com/author/time-staff/"}],"articleSection":"Sports","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt0bf99d8c7c76bbdb/698a989fc9e941582d12431c/180798546.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"San Francisco 49ers v Seattle Seahawks","caption":"San Francisco 49ers v Seattle Seahawks","creditText":"Getty Images—2013 Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/sports/","name":"Sports"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/archive/7158478/the-science-of-sound-how-seattle-got-so-darn-loud/","name":"The Science of Sound: How Seattle Got So Darn Loud"}}]}] ```