Design of spatial microphone arrays

G. Chardon, W. Kreuzer, M. Noisternig, Design of spatial microphone arrays for sound field interpolation, accepted in Journal of Selected Topics in Signal Processing, doi:10.1109/JSTSP.2015.2412097 , [pdf]

Ellipsoidal array

The acoustical field is measured in an ellipsoid with three different axes. Because the eigenfrequencies are all simple, only one interior measurement is necessary.