Label imprint of EMI Records Ltd. which promoted digital recordings of classical music.
It starts being used in early 1982. For example on release which is advertised and pictured in the March 1982 edition of Gramophone. It was registered as a trademark in June 1984.
EMI's first digital classical release was release in 1979. Early digital releases were initially promoted with a triangular digital sticker on the from cover, and the same logo was often incorporated into back cover and label artwork.