Finn T. Agerkvist

2024

Characterization and modeling of the internal vibrations of a balanced armature receiver

Bække, B. S., Agerkvist, F. T., Lucklum, F. & Henriquez, V. C., 2024, In: Acta Acustica. 8, 13 p., 16.

Research output: Contribution to journal › Journal article › Research › peer-review

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2023

Active noise control at low frequencies for outdoor live music events using the conjugate gradient least square method

Libianchi, P., Brunskog, J., Agerkvist, F. & Shabalina, E., 2023, In: Applied Acoustics. 205, 16 p., 109235.

Research output: Contribution to journal › Journal article › Research › peer-review

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153 Downloads (Pure)

An investigation of magnetic and vibroacoustic coupling in the balanced armature receiver

Bække, B. S., Agerkvist, F. T., Bruhn, S., Cutanda Henriquez, V. & Lucklum, F., 2023, Proceedings of INTER-NOISE and NOISE-CON Congress and Conference. Institute of Noise Control Engineering, p. 144-152 9 p. 27

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Phase error sensitivity to the inversion strength and depth of the boundary layer in a conventionally neutral regime.

Libianchi, P., Kelly, M. C., Shabalina, E., Agerkvist, F. T. & Brunskog, J., 2023, Proceedings of 10^th Convention of the European Acoustics Association. European Acoustics Association, 8 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Sensitivity of the predicted acoustic pressure field to the wind and temperature profiles in a conventionally neutral boundary layer

Libianchi, P., Shabalina, E., Kelly, M., Brunskog, J. & Agerkvist, F., 2023, In: Journal of the Acoustical Society of America. 154, 2, p. 763-771 9 p.

Research output: Contribution to journal › Journal article › Research › peer-review

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2022

A quantitative comparison of linear and nonlinear loudspeaker models.

Heuchel, F. M. & Agerkvist, F. T., 2022, Proceedings of the 24^th International Congress on Acoustics. 8 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

A review of techniques and challenges in outdoor sound field control

Libianchi, P., Agerkvist, F. T. & Shabalina, E., 2022, Proceedings of Inter·Noise 2022. 12 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Experimental investigation of structural vibrations inside a balanced armature receiver

Bække, B. S., Agerkvist, F. T., Lucklum, F. & Henriquez, V. C., 2022.

Research output: Contribution to conference › Paper › Research › peer-review

2021

Achieving a flat, wideband frequency response of a loudspeaker unit by numerical optimization with requirements on its directivity

Nielsen, D. G., Agerkvist, F. T. & Jensen, J. S., 2021, In: Journal of the Acoustical Society of America. 150, 2, p. 663-672

Research output: Contribution to journal › Journal article › Research › peer-review

A conjugate gradient least square based method for sound field control

Libianchi, P., Agerkvist, F. T. & Shabalina, E., 2021, Proceedings of InterNoise21. Institute of Noise Control Engineering, p. 1029-1040

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Material models in loudspeakers using frictional elements

Sørensen, R. & Agerkvist, F., 2021, p. 280-289.

Research output: Contribution to conference › Paper › Research › peer-review

Optimization of the Performance of Small Speaker Systems with Passive Radiators

Nielsen, D. G., Lee, G.-T., Park, Y.-H., Jensen, J. S. & Agerkvist, F. T., 2021, Proceedings of 49^th International Congress and Exposition on Noise Control Engineering. Institute of Noise Control Engineering, p. 5779-5790 (Inter-Noise Proceedings, Vol. 261).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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855 Downloads (Pure)

2020

Analysis of Model Based Virtual Sensing Techniques for Active Noise Control

Plewe, D., Agerkvist, F. T., Fernandez Grande, E. & Brunskog, J., 2020, Proceedings of inter-noise 2020. 12 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Estimation of Optimal Values for Lumped Elements in a Finite Element - Lumped Parameter Model of a Loudspeaker

Nielsen, D. G., Andersen, P. R., Jensen, J. S. & Agerkvist, F. T., 2020, In: Journal of Computational Acoustics. 28, 2, 16 p., 2050012.

Research output: Contribution to journal › Journal article › Research › peer-review

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Large-scale outdoor sound field control

Heuchel, F. M., Nozal, D. C., Brunskog, J., Agerkvist, F. T. & Fernandez Grande, E., 2020, In: Journal of the Acoustical Society of America. 148, 4, p. 2392–2402

Research output: Contribution to journal › Journal article › Research › peer-review

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2019

Adapting transfer functions to changes in atmospheric conditions for outdoor sound field control

Heuchel, F. M., Caviedes Nozal, D., Fernandez Grande, E., Brunskog, J. & Agerkvist, F. T., 2019, Proceedings of 23rd International Congress on Acoustics. Deutsche Gesellschaft für Akustik e.V., p. 1178-83

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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213 Downloads (Pure)

Finite element model coupled with lumped parameter elements

Nielsen, D. G., Jensen, J. S., Cutanda Henriquez, V. & Agerkvist, F. T., 2019, Proceedings of 14th International Conference on Theoretical and Computational Acoustics . Chinese Academy of Sciences, p. 291-198

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Full-scale outdoor concert adaptive sound field control

Brunskog, J., Heuchel, F. M., Caviedes Nozal, D., Song, M., Agerkvist, F. T., Fernandez Grande, E. & Gallo, E., 2019, Proceedings of 23rd International Congress on Acoustics. German Acoustical Society (DEGA), p. 1170-77

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Optimization of realistic loudspeaker models with respect to basic response characteristics

Nielsen, D. G., Agerkvist, F. T. & Jensen, J. S., 2019, Proceedings of 23rd International Congress on Acoustics. German Acoustical Society (DEGA), p. 6219-6226 8 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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The effect of atmospheric conditions on sound propagation and its impact on the outdoor sound field control

Caviedes Nozal, D., Heuchel, F. M., Agerkvist, F. T. & Brunskog, J., 2019, Proceedings of internoise 2019. International Institute of Noise Control Engineering, 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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2018

Active room compensation for sound reinforcement using sound field separation techniques

Heuchel, F. M., Fernandez Grande, E., Agerkvist, F. T. & Shabalina, E., 2018, In: Journal of the Acoustical Society of America. 143, 3, p. 1346-1354

Research output: Contribution to journal › Journal article › Research › peer-review

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A Quiet Zone System, Optimized For Large Outdoor Events, Based on Multichannel FxLMS ANC

Plewe, D., Agerkvist, F. T. & Brunskog, J., 2018, Proceedings of 145th Audio Engineering Society Convention. Audio Engineering Society, 10104

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

A Stepped Acoustic Transmission Line Model of Interference Tubes for Microphones

Bigoni, F., Agerkvist, F. T. & Bøgh, E., 2018, Proceedings of 145th Audio Engineering Society Convention. Audio Engineering Society, 10094

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Fractional Derivative Loudspeaker Models for Nonlinear Suspensions and Voice Coils

King, A. W. & Agerkvist, F. T., 2018, In: Journal of Audio Engineering Society. 66, 7/8, p. 525-536

Research output: Contribution to journal › Journal article › Research › peer-review

On the Interdependence of Loudspeaker Motor Nonlinearities

Agerkvist, F. T. & Heuchel, F. M., 2018, Proceedings of 145th Audio Engineering Society Convention. Audio Engineering Society, 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Sound field control for reduction of noise from outdoor concerts

Heuchel, F. M., Caviedes Nozal, D., Agerkvist, F. T. & Brunskog, J., 2018, Proceedings of 145th Audio Engineering Society Convention. Audio Engineering Society, 8 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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549 Downloads (Pure)

2017

An adaptive, data driven sound field control strategy for outdoor concerts

Heuchel, F. M., Caviedes Nozal, D., Brunskog, J., Fernandez Grande, E. & Agerkvist, F. T., 2017, Proceedings of 2017 AES International Conference on Sound Reinforcement . Audio Engineering Society, p. 10 P2.1

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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396 Downloads (Pure)

Position Dependence of Fractional Derivative Models for Loudspeaker Voice Coils with Lossy Inductance

King, A. W. & Agerkvist, F. T., 2017, Proceedings of the 142nd Audio Engineering Convention Convention. Audio Engineering Society, 10 p. 9723

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

2016

Accelerometer Based Motional Feedback Integrated in a 2 3/4" Loudspeaker

Bjerregaard, R., Madsen, A. N., Schneider, H., Agerkvist, F. T. & Andersen, M. A. E., 2016, Proceedings of the 140th Audio Engineering Society Convention. Audio Engineering Society, 10 p. 9534

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Do wavelet filters provide more accurate estimates of reverberation times at low frequencies

Sobreira Seoane, M. A., Pérez Cabo, D. & Agerkvist, F. T., 2016, Proceedings of the Inter-noise 2016 . Kropp, W. (ed.). German Acoustical Society (DEGA), p. 1088-1096

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Force Factor Modulation in Electro Dynamic Loudspeakers

Risbo, L., Agerkvist, F. T., Tinggaard, C., Halvorsen, M. & Putzeys, B., 2016, Proceedings of 141st International Audio Engineering Society (AES) Convention.. Audio Engineering Society, 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Modelling the Perceptual Components of Loudspeaker Distortion

Olsen, S. L., Agerkvist, F. T., MacDonald, E., Stegenborg-Andersen, T. & Volk, C. P., 2016, Proceedings of 140th International Audio Engineering Society (AES) Convention. Audio Engineering Society, Vol. 9549. 9 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

2015

Design and Evaluation of Accelerometer based Motional Feedback

Schneider, H., Pranjic, E., Agerkvist, F. T., Knott, A. & Andersen, M. A. E., 2015, Proceedings of 138th International Audio Engineering Society (AES) Convention.. Audio Engineering Society, 7 p. 9293

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

1 Downloads (Pure)

Flux Modulation in the Electrodynamic Loudspeaker

Halvorsen, M., Tinggaard, C. & Agerkvist, F. T., 2015, Proceedings of 138th International Audio Engineering Society (AES) Convention.. Audio Engineering Society, 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Improvements in Elimination of Loudspeaker Distortion in Acoustic Measurements

Agerkvist, F. T., Torras Rosell, A. & McWalter, R. I., 2015, Proceedings of 138th International Audio Engineering Society (AES) Convention. Audio Engineering Society, 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Improving the efficiency of deconvolution algorithms for sound source localization

Lylloff, O. A., Fernandez Grande, E., Agerkvist, F. T., Hald, J., Tiana Roig, E. & Andersen, M. S., 2015, In: Journal of the Acoustical Society of America. 138, 1, p. 172-180

Research output: Contribution to journal › Journal article › Research › peer-review

Investigation of Current Driven Loudspeakers

Schneider, H., Agerkvist, F. T., Knott, A. & Andersen, M. A. E., 2015, Proceedings of 138th Audio Engineering Society Convention. Audio Engineering Society, 7 p. 9292

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Modeling of Lossy Inductance in Moving-Coil Loudspeakers

Kong, X.-P., Agerkvist, F. T. & Zeng, X.-W., 2015, In: Acta Acustica united with Acustica. 101, 3, p. 650-656

Research output: Contribution to journal › Journal article › Research › peer-review

Reproduction of nearby sources by imposing true interaural differences on a sound field control approach

Badajoz, J., Chang, J.-H. & Agerkvist, F. T., 2015, In: Journal of the Acoustical Society of America. 138, 4, p. 2387–2398

Research output: Contribution to journal › Journal article › Research › peer-review

1 Downloads (Pure)

Shift of the Acoustic Center of a Closed-Box Loudspeaker in a Linear Array: Investigation Using the Beamforming Technique

Chang, J.-H., Jensen, J. & Agerkvist, F. T., 2015, In: Journal of the Audio Engineering Society. 63, 4, p. 257-266

Research output: Contribution to journal › Journal article › Research › peer-review

State-Space Modelling of Loudspeakers using Fractional Derivatives

King, A. W. & Agerkvist, F. T., 2015, Proceedings of 138th International Audio Engineering Society (AES) Convention. Audio Engineering Society, Vol. 9413. 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

7 Downloads (Pure)

2014

Compensation of the flux modulation distortion using an additional coil in a loudspeaker unit

Antonello, N. & Agerkvist, F. T., 2014, Proceedings of 137th Audio Engineering Society Convention 2014. p. 775-784 Convention Paper 9160

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Eliminating transducer distortion in acoustic measurements

Agerkvist, F. T., Torras Rosell, A. & McWalter, R. I., 2014, Proceedings of the 137th AES Convention. Audio Engineering Society, p. 824-833 Convention Paper 9204

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Enhancing the beamforming map of spherical arrays at low frequencies using acoustic holography

Tiana Roig, E., Torras Rosell, A., Fernandez Grande, E., Jeong, C.-H. & Agerkvist, F. T., 2014, Proceedings of BeBeC 2014. 14 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Model Based Beamforming and Bayesian Inversion Signal Processing Methods for Seismic Localization of Underground Source

Oh, G. L., Agerkvist, F. T. (Supervisor), Brunskog, J. (Main supervisor) & Sze Kim, P. (Supervisor), 2014, Technical University of Denmark, Department of Electrical Engineering. 157 p.

Research output: Book/Report › Ph.D. thesis

Open Access

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2013

Arrangements of a pair of loudspeakers for sound field control with double-layer arrays

Chang, J., Agerkvist, F. T. & Olsen, M., 2013, Proceedings of AES 52nd International Conference: Sound Field Control - Engineering and Perception. Audio Engineering Society, p. 258-261 6-2

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Towards an enhanced performance of uniform circular arrays at low frequencies

Tiana Roig, E., Torras Rosell, A., Fernandez Grande, E., Jeong, C.-H. & Agerkvist, F. T., 2013, Proceedings of INTER-NOISE 2013. 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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572 Downloads (Pure)

2011

A comparison of two strategies for generating sound zones in a room.

Jacobsen, F., Olsen, M., Møller, M. & Agerkvist, F. T., 2011, Proceedings of 18th International Congress on Sound and Vibration. International Institute of Acoustics and Vibration

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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495 Downloads (Pure)

Adaptive Feedback Cancellation With Band-Limited LPC Vocoder in Digital Hearing Aids

Ma, G., Gran, F., Jacobsen, F. & Agerkvist, F. T., 2011, In: I E E E Transactions on Audio, Speech and Language Processing. 19, 4, p. 677-687

Research output: Contribution to journal › Journal article › Research › peer-review

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Extracting the invariant model from the feedback paths of digital hearing aids

Ma, G., Gran, F., Jacobsen, F. & Agerkvist, F. T., 2011, In: Acoustical Society of America. Journal. 130, 1, p. 350-363

Research output: Contribution to journal › Journal article › Research › peer-review

Finn T. Agerkvist

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