libraries, museums and archives of the world are filled with materials recorded in many ‘analogue’ formats. These include paper and all its variants, for example vellum, papyrus, birch bark, wood and other substrates. Images can be represented on paper or canvas, as well as many surrogate forms including negatives, glass plates, and microfilm and microfiche. Sound and moving image have been stored on film, videotape, audio cassette and LP records. Despite this variety of formats and playback devices with…
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