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Wavefield Analysis Over Large Areas Using Distributed Higher Order Microphones

Samarasinghe, Prasanga; Abhayapala, Thushara; Poletti, Mark


Successful recording of large spatial soundfields is a prevailing challenge in acoustic signal processing due to the enormous numbers of microphones required. This paper presents the design and analysis of an array of higher order microphones that uses 2D wavefield translation to provide a mode matching solution to the height invariant recording problem. It is shown that the use of Mth order microphones significantly reduces the number of microphone units by a factor of 1/ (2M + 1) at the...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: IEEE/ACM Transactions on Audio, Speech, and Language Processing
DOI: 10.1109/TASLP.2014.2300341


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