The rapid development of 3D video inspired the demand for 3D audio technology and products, but the products on the market currently are limited to follow the original stereo or surround sound technology; it is difficult to produce a three-dimensional sound field audio effect synchronized with 3D video content. The method is based on VBAP principle, derived 3D space movable sound source generating principles and formulas, and implement a method of generate movable sound source in the build 3D audio system. The produced virtual sound source could customize different trajectories and speed in 3D space. On the maximum base of keeping the existing audio equipment, only needing to configure the equipment to the allocation model, we could make the audience feel truly ubiquitous shock audio-visual enjoyment. After field tests, the movement of the movable virtual sound source multitasks generated by this method is obvious in the 3D sound field, and not only provides a good method for generating 3D movable sound source for future research and experimental film-making, but also for 3D audio in home entertainment promotion.
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