Abstract
In this study, we investigated 3D moving sound image rendering methods using a spherical loudspeaker array surrounding the listener. We used vector base amplitude panning (VBAP), higher order ambisonics (HOA) panning, and near-field compensated HOA, which can control the sound image distance with a distance (radial) filter. The VBAP and HOA panning methods used gain control considering the distance between the listener and the image source. Subjective tests were conducted using a 42-channel geodesic dome-type spherical loudspeaker array. The experimental results showed that VBAP with distance gain control yielded the best results for both the smoothness and the localization of the moving sound image source, including the distance.
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