Optimal 3D Speaker Panning
Matthew Flax, Glenn Dickins, Adam McKeag, David McGrath
A set of speakers in an arbitrary 3D array can be used to create virtual sound
source images to a large audience. The problem of maximising directionality
and minimising panning artefacts is described in a mathematical context.
An algorithm is proposed to maximise the directionality across the listening
region. This solution is analysed and compared to fixed order sound-field
techniques. Additions to the algorithm are provided for reducing panning
artefacts when animating sound sources. The proposed algorithms have been
implemented and auditioned with favourable results.
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