Interface designers are increasingly exploring alternative approaches to user input/control. LAMI is a Leap (Motion-based) AMI that takes user’s hand gestures and maps these to a three-dimensional stage displayed on a computer monitor. Audio channels are visualized as spheres whose Y coordinate is spectral centroid and X and Z coordinates are controlled by hand position and represent pan and level respectively. Auxiliary send levels are controlled via wrist rotation and vertical hand position and visually represented as dial-like arcs. Channel EQ curve is controlled by manipulating a lathed column visualization. Design of LAMI followed an iterative design cycle with candidate interfaces rapidly prototyped, evaluated, and refined. LAMI was evaluated against Logic Pro X in a defined audio mixing task.
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