Conference paper Open Access

Exploring the Container Metaphor for Equalisation Manipulation

Dewey, Christopher; Wakefield, Jonathan P.

This paper presents the first stage in the design and evaluation of a novel container metaphor interface for equalisation control. The prototype system harnesses the Pepper's Ghost illusion to project mid-air a holographic data visualisation of an audio track's long-term average and real-time frequency content as a deformable shape manipulated directly via hand gestures. The system uses HTML 5, JavaScript and the Web Audio API in conjunction with a Leap Motion controller and bespoke low budget projection system. During subjective evaluation users commented that the novel system was simpler and more intuitive to use than commercially established equalisation interface paradigms and most suited to creative, expressive and explorative equalisation tasks.

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