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Pole-Zero Loudspeaker Response Analysis by Bandsplitting and Prony Modelling

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Loudspeaker impulse responses require a large number of data points (e.g., 8192). For many applications it is beneficial to reduce this order generating fully parametric response models. This can be achieved by fitting pole-zero (ARMA) models by Prony analysis, a method suffering from poor definition in the low-frequency region. Here, this problem is solved by signal bandsplitting, achieving perfect response modeling with 256 : coefficients.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=7558

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