Hue Music - Creating Timbral Soundscapes from Coloured Pictures
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This paper discusses a technique to convert 2 dimensional images into music by associating hue values with timbres. The colour information in 2D still images was used to drive an 8 channel timbral audio mixer. 8 musical timbres were recorded to represent 8 hue values and these timbres were changed in amplitude dependent on the quantity of each hue in the image. A maximum of 64 blue 'pixel-blocks' for example resulted in a sound that was exclusively the timbre associated with blue. The technique is successful for enhancing some images but not others but after some familiarisation it is possible to distinguish the timbres and therefore to identify the colour composition of the picture through audio alone.