off-cube
adj.— «In the end they went with the BBC’s ball-by-ball feed on Radio 2000, despite having local commentators on standby to commentate off television at the SABC’s Auckland Park studios. The practice—known as “off cube” broadcasting—is widely frowned on.» —“SABC decide on BBC Test feed at last minute” by Luke Alfred Times (Johannesburg, South Africa) July 13, 2008. (source: Double-Tongued Dictionary)