Sound Techniques was a recording studio in Chelsea, London that was operational between 1965 and 1976. Housed in a former dairy, it was founded by recording engineers Geoff Frost and John Wood. The studio became well known as the place where many of the folk-rock acts signed to Joe Boyd's Witchseason publishing company, such as Fairport Convention, Nick Drake and John Martyn, recorded their albums in the late 1960s and early 1970s, but it was also the studio where early records by Pink Floyd, Elton John and Jethro Tull were made.