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Visual Music o Audiovisual "Visual music, sometimes called "colour music", refers to the use of musical structures in visual imagery, which can also include silent films... It also refers to methods or devices which can translate sounds or music into a related visual presentation. Visual music also refers to systems which convert music or sound directly into visual forms, such as film, video or computer graphics, by means of a mechanical instrument, an artist's interpretation, or a computer. The reverse is applicable also, literally converting images to sound by drawn objects and figures on a film's soundtrack.
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