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10 items by relevance
1 Conference paper

Modelling Loudspeaker Non-Linearities

Agerkvist, Finn T.

Proceedings of the Aes 32nd. International Conference — 2007

This paper investigates different techniques for modelling the non-linear parameters of the electrodynamic loudspeaker. The methods are tested not only for their accuracy within the range of original data, but also for the ability to work reasonable outside that range, and it is demonstrated

Year: 2007

Language: English

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2 Conference paper

Non-linear Loudspeaker Unit Modelling

Pedersen, Bo Rohde; Agerkvist, Finn T.

Proceedings of the 125th Audio Engineering Society — 2008

Simulations of a 6½-inch loudspeaker unit are performed and compared with a displacement measurement. The non-linear loudspeaker model is based on the major nonlinear functions and expanded with time-varying suspension behaviour and flux modulation. The results are presented with FFT plots of three

Year: 2008

Language: English

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3 Conference paper

A quantitative comparison of linear and nonlinear loudspeaker models

Heuchel, Franz Maria; Agerkvist, Finn T.

Proceedings of the 24<sup>th</sup> International Congress on Acoustics — 2022

We present a short review of models for the dynamics of the conventional moving-coil loudspeaker and a data set with which we quantitatively compare their predictive errors. The models include the effects of viscoelasticity and nonlinear stress-strain relation in the suspension, eddy-current losses

Year: 2022

Language: English

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4 Journal article

Fractional Derivative Loudspeaker Models for Nonlinear Suspensions and Voice Coils

King, Alexander Weider; Agerkvist, Finn T.

Journal of Audio Engineering Society — 2018, Volume 66, Issue 7/8, pp. 525-536

Moving-coil loudspeakers exhibit a number of linear effects, such as viscoelastic suspension creep and lossy inductance of the voice coil, which complicate their frequency response. Nonlinear models of the loudspeaker must include these effects in order to make accurate predictions for nonlinear

Year: 2018

Language: English

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