The now-obsolete low-frequency enhancement system for motion picture exhibition developed by Universal Studios in 1973 for the film Earthquake.
The first film simply triggered a noise generator during the earthquake sequences, though later versions of Sensurround did record very low-frequency information on the print.
The National Film and Sound Archive of Australia acknowledges Australia’s Aboriginal and Torres Strait Islander peoples as the Traditional Custodians of the land on which we work and live and gives respect to their Elders both past and present.