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Norman McLaren

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Box containing 73 square wave cards used in the production of synthetic music on film stock.
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© 2005 NFB - Photo Nicole Périat
Square wave cards used in the production of synthetic music on film stock.
Enlarge image
© 2005 NFB - Photo Nicole Périat
Box containing 73 square wave cards used in the production of synthetic music on film stock.
Enlarge image
© 2005 NFB - Photo Nicole Périat
 

Box of Sound Cards. - ca1950. - Box: cardboard : 12 x 53 x 29 cm - 73 cards : card stock : 10 x 51 cm

Box containing 73 square wave cards used in the production of synthetic music on film stock. The cards were made by Norman McLaren and Evelyn Lambart, and were used, among other things, to create the soundtrack for the film Synchromy (1971). Lines of different thicknesses were drawn or glued on the cards, some of which also have a perforated graduated edge.

For more information on sound card techniques used in the production of synthetic music, the following documents are especially useful: Technical Notes on the Card method of Optical Animated Sound (in Technical notes by Norman McLaren) and A Brief Summary of the Early History of Animated Sound on Film.