Ambisonics is a surround-system for encoding and rendering a 3D sound field. Sound is encoded and stored in multi-channel sound files and is decoded for playback. In this paper a panning function equivalent to the result of ambisonic encoding and so-called in-phase decoding is presented. In this function the order of ambisonic resolution is just a variable that can be an arbitrary positive number not restricted to integers and that can be changed during playback. The equivalence is shown, limitations and advantages of the technique are mentioned and real time applications are described.
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