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Drawn waveforms on glass plates scanned by CRT Scanner
Drawn parameters on 35mm film strips

Oramics is a drawn sound technique designed in 1957 by musician Daphne Oram. The machine was further developed in 1962 after receiving a grant from the Gulbenkian Foundation. The technique, similar to Yevgeny Sholpo's "Variophone", involves drawing on 35mm film strips to control the sound produced.

Oram's composition machine consisted of a large rectangular metal frame, providing a table-like surface traversed by ten synchronised strips of clear, sprocketed 35mm film. The musician drew shapes on the film to create a mask, which modulated the light received by photocells. Although the output from the machine was monophonic, the sounds could be added to multitrack tapes to provide more texture.

The original machine is exhibited at the Science Museum in London from 29 July 2011 to 28 June 2015.[1][2]

The technique has similarities to that used by Scottish filmmaker Norman McLaren, some of whose films featured sounds created by drawing or printing various patterns, such as triangles and circles, along the optical soundtrack area of the film.

Oramics was also the name used by Oram to refer to her studio and business interests generally.

Sound Generator (top) with CRT Scanner (bottom)
Film Scanner to control pitch, volume, etc.
Recorded sound by Daphne Oram

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BBC News