Sign (often stylized as SIGN) is the fourteenth studio album by British electronic music duo Autechre. It was announced by Warp Records on 2 September 2020 via their Twitter page, and was released on 16 October 2020. The album was broadcast for the first time on 8 October on the Autechre website. Shortly after, it was made available as a digital download to those who pre-ordered. The cover and packaging artwork was created by The Designers Republic. Sign's companion album, Plus, was released without announcement twelve days later. Sign and Plus were both teased prior to release in a series of Autechre live mix sessions that aired on streaming service Mixlr during the COVID-19 pandemic.