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Sound Field Reproduction With Energy Constraint on Loudspeaker Weights

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2 Author(s)
Betlehem, T. ; Intelligent Machines and Devices Group, Industrial Research Limited, Lower Hutt, New Zealand ; Withers, C.

Audio rendering problems are not always well-posed. An approach is devised for solving ill-posed sound field reproduction problems using regularization, where the Tikhonov parameter is chosen by upper bounding the summed square of the loudspeaker weights. The method ensures that the sound in the room remains at reasonable levels.

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Audio, Speech, and Language Processing, IEEE Transactions on  (Volume:20 ,  Issue: 8 )