Velocity of Sound is the fifth studio album by The Apples in Stereo, released in October 2002. The American release has an orange album cover, while the European version is green and the Japanese version is blue. The bonus track is also different for each version.

The Apples in Stereo are an American indie rock band associated with Elephant 6 Collective, a group of bands also including Neutral Milk Hotel, the Olivia Tremor Control, Elf Power, Of Montreal, and Circulatory System. The band is largely a product of lead vocalist/guitarist/producer Robert Schneider, who writes the majority of the band's music and lyrics. Currently, The Apples in Stereo also includes longstanding members John Hill and Eric Allen (bass), as well as more recent members John Dufilho (drums), John Ferguson (keyboards), and Ben Phelan (keyboards/guitar/trumpet).