Gain Factors Calibration in 3D Sound Reproduction Using VBAP

Vector-based amplitude panning in three dimensional sound reproduction aims to preserve both sound image direction and distance perception. While in the estimation process, the loudspeakers are supposed to place on a sphere. It is possible that this requirement cannot be met in home environment. An alternative method to estimate gain factors in vector-based amplitude panning is proposed to preserve distance perception in this study. The experiments confirm that listeners do not perceive obvious distance differences when panning and confirm the validation of the proposed method.