The album, the music video for the title track and some of the press photos were inspired by Black Hole by American cartoonist Charles Burns.
A three-disc deluxe edition of Silent Shout was released in Europe on 2 July 2007 and in the US on 17 July. In addition to the studio album, this package includes the DVD Silent Shout: An Audio Visual Experience (which contains The Knife's live concert in Gothenburg on 12 April 2006, as part of their Silent Shout tour, and all of the duo's music videos to date), as well as a CD of the concert's audio.
The album was compared to a movie soundtrack of a thriller shot in the mountains. The collaboration between Olof Dreijer and Karin Dreijer Andersson was described as Jay Jay Johanson meets Siouxsie.Pitchfork Media saw Kristin's performance on the album as a "shrill voice (think Björk by way of Ari Up by way of Siouxsie Sioux by way of Mu's Mutsumi Kanamori)". Her multi-tracked vocals produced in a peculiar way to produce a "creepy result".
Silent Shout received very positive reviews from music critics. At Metacritic, which assigns a normalised rating out of 100 to reviews from mainstream critics, the album received an average score of 74, based on 22 reviews, which indicates "generally favorable reviews". Pitchfork Media named it the best album of 2006, with its title track being ranked the second best song of the year. The song was also listed at number 74 on the website's list of The Top 500 Tracks of the 2000s, while the album was placed at number 15 on its list of The Top 200 Albums of the 2000s.
Resident Advisor—an online magazine with a focus on electronic music—named Silent Shout the second best album of 2006 and ninth best album of the 2000s decade. In 2009, the album was included at number five on Clash's Essential 50 list.Silent Shout was placed at number 95 on Slant Magazine's list of the best albums of the 2000s.musicOMH, when compiling its "21 Best Albums of the 2000s", placed the album at number seven. In their "50 Greatest albums of the 2000s" feature, Gigwise placed the album at number seven, calling it "ground-breaking" and stating that "On the first spin it’s baffling, second it’s intriguing, but many listens in and you realize that Karin and Olaf Dreijer have concocted a masterpiece of their genre." 
The album was ranked number 83 on Pitchfork Media's People's List, a readers' poll of the 200 best albums from Pitchfork's first 15 years (1996–2011).