| 简介 |
A method of decomposing a multichannel audio signal is described. The method includes, for each of a plurality of frequency components of a segment in time of the multichannel audio signal, calculating a corresponding indication of a direction of arrival. The method also includes, based on the calculated direction indications, selecting a subset of the plurality of frequency components. The method further includes, based on the selected subset and on a plurality of basis functions, calculating a vector of activation coefficients. Each activation coefficient of the vector corresponds to a different basis function of the plurality of basis functions. |
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