Abstract
A method is proposed for precisely identifying the multiple signal transmission paths of a multi-input single-output acoustic system by using correlated input signals. Such identification has not been previously achieved by a conventional straightforward generalization of the principle for identifying a single-input single-output acoustic system. To this end, pre-filters are applied to the system inputs so that the relation between inputs and output satisfies-the condition of a unique solution set given by the framework ofa diophantine equation
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