Steve Goodman (Kode9) is a musician, writer, and artist based in South London, United Kingdom. He is the founder of the record labels Hyperdub and Flatlines, and has produced numerous albums and mix compilations. He is the author of Sonic Warfare (MIT Press, 2010), and he co-edited the books Unsound:Undead (Urbanomic Press, 2019) and Sonic Faction (Urbanomic Press, 2024). His sound installations have appeared at the Tate Modern and Barbican.