A 2D Variable-Order, Variable-Decoder, Ambisonics based Music Composition and Production Tool for an Octagonal Speaker Layout
Martin J. Morrell, Joshua D. Reiss · 2012
Abstract. This paper introduces a music production/composition tool for the spatialisation of sound sources played over an octagonal loud-speaker layout. The tool is based on Ambisonics theory, but does not produce any intermediary B-Format signals. The novel aspects of the tool is that it allows for variable-order and variable-decoder attributes on a per sound source basis. This allows creative control over the sounds ’ lo-calisation sharpness. Distance including inside the speaker layout source placement and reverberation attributes can be assigned to each sound source to create a final spatial mix. The theory of variable-order, variable-decoder Ambisonics is discussed and the implementation aspects pre-sented. The authors aim to bridge the gap between theory and usage of Ambisonics.