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This article deals with the realization of an automated classification of loudspeaker enclosures. The acoustic load of the enclosure is reflected in the electrical impedance of the loudspeaker and is hence detectable from the point of view of the power amplifier. In order to classify the enclosures of passive one-way speakers, an artificial neural network is trained with synthetic impedance spectra based on equivalent electrical circuit models. The generalization capability is validated with measured test sets of closed, vented, band-pass and transmission-line enclosures. The resulting classification procedure works well within a synthetic test set. However, a good generalization to the measured test data requires further investigations to achieve better separation between the different vented enclosure types.
Author (s): Werner, Johannes; Fritsch, Tobias
Affiliation:
Hochschule Mittweida, Mittweida, Germany; Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany
(See document for exact affiliation information.)
AES Convention: 151
Paper Number:650
Publication Date:
2021-10-06
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Session subject:
Transducers
Permalink: https://aes2.org/publications/elibrary-page/?id=21573
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Werner, Johannes; Fritsch, Tobias; 2021; Automatic Classification of Enclosure-Types for Electrodynamic Loudspeakers [PDF]; Hochschule Mittweida, Mittweida, Germany; Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany; Paper 650; Available from: https://aes2.org/publications/elibrary-page/?id=21573
Werner, Johannes; Fritsch, Tobias; Automatic Classification of Enclosure-Types for Electrodynamic Loudspeakers [PDF]; Hochschule Mittweida, Mittweida, Germany; Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany; Paper 650; 2021 Available: https://aes2.org/publications/elibrary-page/?id=21573