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On the Use of Parametric Spectrum Analysis for High-Resolution, Low-Frequency, Free Field Loudspeaker Measurements

When using traditional non-parametric DFT methods,long reflection free acoustic impulse response measurements are required to accurately calculate the low frequency free field frequency response of a loudspeaker. It is shown that by combining parametric input impedance and acoustic impulse response models the associated parameters can be estimated from short data records yielding high resolution low frequency free-field frequency response measurements.

Authors: Schuck, Peter L.; Olive, Sean; Verreault, E.; Bonneville, M.; Sally, S.
Affiliations: National Research Council, Institute for Microstructural Sciences, Ottawa, Ontario, Canada ; Canadian Audio Research Consortium, Audio Product International Ltd., Scarborough,Ontario, Canada(See document for exact affiliation information.)
AES Conference:11th International Conference: Test & Measurement (May 1992)
Paper Number:11-039 Import into BibTeX
Subject:Test & Measurement

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