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Готові списки джерел за темами / Electrodynamic loudspeakers / Статті в журналах

Щоб переглянути інші типи публікацій з цієї теми, перейдіть за посиланням: Electrodynamic loudspeakers.

Статті в журналах з теми "Electrodynamic loudspeakers"

Автор: Grafiati

Опубліковано: 26 жовтня 2023

Оновлено: 31 липня 2025

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1

Ravaud, Romain, Guy Lemarquand, Valérie Lemarquand, and Tangi Roussel. "Ranking of the Nonlinearities of Electrodynamic Loudspeakers." Archives of Acoustics 35, no. 1 (2010): 49–66. http://dx.doi.org/10.2478/v10168-010-0004-6.

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Анотація:

AbstractThe aim of this paper is to present a way of ranking the nonlinearities of electrodynamic loudspeakers. For this purpose, we have constructed a nonlinear analytic model which takes into account the variations of the small signal parameters. The determination of these variations is based on a very precise measurement of the electrical impedance of the electrodynamic loudspeaker. First, we present the experimental method to identify the variations of these parameters, then we propose to study theoretically the importance of these nonlinearities according to the input level or the input f

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2

Mayrhofer, Dominik, and Manfred Kaltenbacher. "Investigation of a new method for sound generation – Advanced Digital Sound Reconstruction." e & i Elektrotechnik und Informationstechnik 138, no. 3 (2021): 148–54. http://dx.doi.org/10.1007/s00502-021-00876-3.

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AbstractThe current loudspeaker market has a high demand for portable audio devices. Hence, the miniaturization of loudspeakers (microspeakers) is of great importance for manufacturers. Traditional loudspeakers – for example the electrodynamic loudspeaker – are the forerunners, but so-called MEMS loudspeakers (Micro-Electro-Mechanical-System) have emerged recently. MEMS devices have already been used for sensors (i.e., microphones) to a great extend due to their advantages regarding form factor and production efficiency. Albeit additional challenges for actuators like moving enough air with a

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3

Steere, John F. "Acoustically enhanced electrodynamic loudspeakers." Journal of the Acoustical Society of America 121, no. 5 (2007): 2481. http://dx.doi.org/10.1121/1.2739140.

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4

Kaltenbacher, M., M. Rausch, H. Landes, and R. Lerch. "Numerical modelling of electrodynamic loudspeakers." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 18, no. 3 (1999): 504–14. http://dx.doi.org/10.1108/03321649910275189.

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5

Erza, Mehran, Etienne Gaviot, Guy Lemarquand, et al. "A Versatile Model of Nonlinear Electrodynamic Loudspeaker Co-Operating with the Amplifier Designed by Way of Advanced Software." Archives of Acoustics 39, no. 1 (2015): 51–63. http://dx.doi.org/10.2478/aoa-2014-0006.

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Анотація:

Abstract Sound processing with loudspeaker driving depends critically on high quality electroacoustic transducers together with their relevant amplifiers. In this paper, the nonlinear effects of electrodynamic loudspeakers are investigated as regard the influence of the changes of their main descriptive parameters values. Indeed, while being operated nonlinear effects observed with loudspeakers are due to changes of such constitutive parameters. Regarding either current or voltage-drive, an original model based on Simulink R is presented, taking account of all the electrical and mechanical pro

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6

Cai, Yinshan, Longlei Dong, and Yanxin Zhou. "A narrowband active noise control algorithm considering the harmonic distortion of the loudspeaker." International Journal of Applied Electromagnetics and Mechanics 64, no. 1-4 (2020): 229–35. http://dx.doi.org/10.3233/jae-209326.

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Electrodynamic loudspeakers are the main actuators of the active noise control system, and their harmonic distortion has a detrimental effect on the noise reduction of the system. To improve the performance, this paper proposes a novel narrowband active noise control algorithm with compensating the nonlinearity of the loudspeaker. In the proposed algorithm, the parameters of the controller are obtained by iteration through the filtered-x least mean square algorithm. Meanwhile, they are adjusted in real-time by establishing the online inverse model of the loudspeaker using the Volterra expansio

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7

Lemarquand, G., R. Ravaud, I. Shahosseini, V. Lemarquand, J. Moulin, and E. Lefeuvre. "MEMS electrodynamic loudspeakers for mobile phones." Applied Acoustics 73, no. 4 (2012): 379–85. http://dx.doi.org/10.1016/j.apacoust.2011.10.013.

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8

Lemarquand, V., G. Lemarquand, E. Lefeuvre, et al. "Electrodynamic MEMS: Application to Mobile Phone Loudspeakers." IEEE Transactions on Magnetics 48, no. 11 (2012): 3684–87. http://dx.doi.org/10.1109/tmag.2012.2203798.

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9

Evreinov, E. Grigori, and V. Alexander Agranovski. "Modification of electrodynamic loudspeakers for 3‐D spatialization." Journal of the Acoustical Society of America 105, no. 2 (1999): 934. http://dx.doi.org/10.1121/1.426308.

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10

Ravaud, R., G. Lemarquand, and T. Roussel. "Time-varying non linear modeling of electrodynamic loudspeakers." Applied Acoustics 70, no. 3 (2009): 450–58. http://dx.doi.org/10.1016/j.apacoust.2008.05.009.

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11

Erza, Mehran, Guy Lemarquand, and Valerie Lemarquand. "Distortion in Electrodynamic Loudspeakers Caused by Force Factor Variations." Archives of Acoustics 36, no. 4 (2011): 873–85. http://dx.doi.org/10.2478/v10168-011-0058-0.

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Анотація:

Abstract The non linearities in the motor of an electrodynamic loudspeaker are still a discussed topic. This paper studies the influence of the force factor variation with the coil displacement on the harmonic and inter-modulation distortions. The real variation is described at least by a linear and a quadratic term. The effect of each term is studied separately, as they don't influence the same kind of frequencies, harmonics or inter-modulation. Both terms considered together result in enhanced effects. The dissymmetry of the Bl variation with regard to the coil centered position has also pec

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12

Rausch, Martin, Reinhard Lerch, Manfred Kaltenbacher, Hermann Landes, Gerhard Krump, and Leonhard Kreitmeier. "Designing electrodynamic loudspeakers by using a new computer modeling scheme." Journal of the Acoustical Society of America 105, no. 2 (1999): 1289. http://dx.doi.org/10.1121/1.426147.

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13

Peng, Xiuyuan, Junfei Li, and Steven Cummer. "Enhancing low frequency sound radiation of electrodynamic loudspeakers with acoustic metamaterials." Journal of the Acoustical Society of America 151, no. 4 (2022): A179. http://dx.doi.org/10.1121/10.0011024.

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Анотація:

Since the radiation resistance of a vibrating membrane in the air is proportional to frequency in the subwavelength range, low frequency (<100Hz) sound radiating devices generally require a large vibrating diaphragm and a bulky enclosure to be efficient and loud enough for practical use. The tapped horn topology, where the front radiation of an electrodynamic driver adds up with the back radiation after propagating through the internal volume of a speaker box, has been widely used in custom audio to provide low-frequency enhancement to the bass unit. Recently, people have demonstrated the a

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14

Lerch, Reinhard, Manfred Kaltenbacher, and Martin Meiler. "Virtual Prototyping of Electrodynamic Loudspeakers by Utilizing a Finite Element Method." Journal of the Acoustical Society of America 123, no. 5 (2008): 3643. http://dx.doi.org/10.1121/1.2934911.

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15

Noh, Jung Uk, Seok-jin Lee, Mingu Lee, and Koeng-Mo Sung. "Optimizing the sound pressure levels at low frequency limits of electrodynamic loudspeakers." IEICE Electronics Express 6, no. 10 (2009): 594–600. http://dx.doi.org/10.1587/elex.6.594.

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16

Peng, Xiuyuan, Junfei Li, and Steven Cummer. "Highly-efficiency low-frequency acoustic energy harvesting with PDMS-modified loudspeakers." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A165. http://dx.doi.org/10.1121/10.0018529.

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Анотація:

Noise is everywhere in our lives. Low-frequency noise in particular has a conspicuous if not disturbing presence since thicker materials are required to absorb or block it. Meanwhile, the very ubiquitousness of noise in our environment makes it a good candidate as a potential power source for micro-devices. Here we present an acoustic energy harvester (AEH) capable of achieving 99% sound absorption coefficient and 67% of energy conversion ratio at 58 Hz, with a fractional bandwidth of more than 34 %. The peak power conversion efficiency is nearly three times the previous state of the art. The

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17

Gaviot, Etienne, and et al. "A Versatile Analytical Approach for Assessing Harmonic Distortion in Current-Driven Electrodynamic Loudspeakers." Journal of the Audio Engineering Society 62, no. 3 (2014): 127–44. http://dx.doi.org/10.17743/jaes.2014.0011.

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18

Ikezaki, Yoto, Yuna Harada, Yuting Geng, Masato Nakayama, and Takanobu Nishiura. "Sound-Field Reproduction Based on Virtual Early Reflections Using Parametric and Electrodynamic Loudspeakers." Journal of Signal Processing 28, no. 6 (2024): 267–75. http://dx.doi.org/10.2299/jsp.28.267.

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19

MICHEAU, Philippe, Grandjean PIERRE, Pierre-Olivier LAJOIE, Jean-Christophe CHAMARD, and Manuel MELON. "Harmonic acoustic pneumatic source (HAPS) to generate sound at very low-frequency." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 2 (2024): 9712–19. http://dx.doi.org/10.3397/in_2024_4290.

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Анотація:

At very low frequency, the loudspeakers face technical issues (size, weight, energy consumption). An alternative to the electrodynamic loudspeaker is the Harmonic Acoustic Pneumatic Source (HAPS) demonstrated efficient in active tonal control. It comprises a high-pressure pneumatic air source, a rotating flow chopper, and an exhaust. The rotation of the flow chopper generates a pulsed flow which radiated noise out from the exhaust. An analytical model of the HAPS is presented to introduce the main challenge associated with its use at very low frequencies: having a high mean flow rate with a re

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20

Cobianchi, Mattia, and Christopher Spear. "Modelling and visualization of surround buckling in electrodynamic audio transducers." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 1 (2023): 6058–69. http://dx.doi.org/10.3397/in_2022_0904.

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Анотація:

The surround (or front-suspension) of electrodynamic transducers typically used in loudspeakers and headphones is a device that provides the axial restoring force for the diaphragm movement and restrains the lateral and tilting movements. A non-linear phenomenon typical of surrounds is pressure-induced buckling, a sudden change in the shape of the surround under load. The question addressed by this paper is how to predict the conditions under which a surround will buckle, and how to measure and visualize it in physical prototypes. The modelling methodology was based on structural finite-elemen

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21

Sugibayashi, Yutaro, Sota Kurimoto, Daisuke Ikefuji, Masanori Morise, and Takanobu Nishiura. "Three-dimensional acoustic sound field reproduction based on hybrid combination of multiple parametric loudspeakers and electrodynamic subwoofer." Applied Acoustics 73, no. 12 (2012): 1282–88. http://dx.doi.org/10.1016/j.apacoust.2012.03.009.

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22

Iwai, Kenta, and Yoshinobu Kajikawa. "Modified 2nd-order nonlinear infinite impulse response (IIR) filter for compensating sharpness and nonlinear distortions of electrodynamic loudspeakers." Journal of the Acoustical Society of America 140, no. 4 (2016): 3058. http://dx.doi.org/10.1121/1.4969508.

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23

Zwicky, Paul, and Roger Schultheiss. "Electrodynamic loudspeaker." Journal of the Acoustical Society of America 93, no. 5 (1993): 3022. http://dx.doi.org/10.1121/1.405747.

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24

Volkov, Denys, Artem Zubkov, and Vitalii Didkovskyi. "Genetic algorithm application for electrodynamic transducer model identification." ScienceRise, no. 4 (August 31, 2021): 48–57. https://doi.org/10.21303/2313-8416.2021.002008.

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Анотація:

Research object: the adaptation and application of the genetic algorithm for electrodynamic transducer model parameters identification. Investigated problem: to formulate loudspeaker identification task as an optimization problem, adapt it to the genetic algorithm framework and compare obtained results with classical identification method using added mass. Main scientific results: the complete genetic algorithm loudspeaker identification procedure is presented, including: – data acquisition scheme, where the directly measured values for the algorithm application are: voltage at loudspeaker ter

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25

Volkov, Denys, Artem Zubkov, and Vitalii Didkovskyi. "Genetic algorithm application for electrodynamic transducer model identification." ScienceRise, no. 4 (August 31, 2021): 48–57. http://dx.doi.org/10.21303/2313-8416.2021.002008.

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Анотація:

Research object: the adaptation and application of the genetic algorithm for electrodynamic transducer model parameters identification. Investigated problem: to formulate loudspeaker identification task as an optimization problem, adapt it to the genetic algorithm framework and compare obtained results with classical identification method using added mass. Main scientific results: the complete genetic algorithm loudspeaker identification procedure is presented, including: – data acquisition scheme, where the directly measured values for the algorithm application are: voltage

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26

Šoltés, Martin, and Milan Červenka. "ELECTRODYNAMIC LOUDSPEAKER-DRIVEN ACOUSTIC COMPRESSOR." Acta Polytechnica 55, no. 5 (2015): 342–46. http://dx.doi.org/10.14311/ap.2015.55.0342.

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<p>An acoustic compressor is built using the acoustic resonator which shape was optimized for a maximum acoustic pressure amplitude and a low-cost compression driver. Acoustic compressor is built by installing a suction port in the resonator wall where the standing wave has its pressure node and a delivery port with a valve in the resonator wall where the standing wave has its pressure anti-node. Different reeds, serving as delivery valves, are tested and their performance is investigated. It was shown that the performance of such simple compressor is comparable, or better, than the acou

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27

Wijnker, Eddy L. I. "Electrodynamic loudspeaker with cooling arrangement." Journal of the Acoustical Society of America 99, no. 3 (1996): 1277. http://dx.doi.org/10.1121/1.414738.

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28

Codnia, Basilio. "Full range convex electrodynamic loudspeaker." Journal of the Acoustical Society of America 101, no. 4 (1997): 1762. http://dx.doi.org/10.1121/1.418092.

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29

Haas, Rainer J. "Electrodynamic loudspeaker having omnidirectional sound emission." Journal of the Acoustical Society of America 84, no. 2 (1988): 804. http://dx.doi.org/10.1121/1.396729.

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30

Djurek, Ivan, Danijel Djurek, and Antonio Petosic. "Chaotic State in an Electrodynamic Loudspeaker." Acta Acustica united with Acustica 94, no. 4 (2008): 629–35. http://dx.doi.org/10.3813/aaa.918072.

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31

Milot, Gilles, and Francois Malbos. "Moving-coil electrodynamic motor for a loudspeaker, loudspeaker, and pole piece." Journal of the Acoustical Society of America 123, no. 3 (2008): 1223. http://dx.doi.org/10.1121/1.2901312.

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32

Padi, Gyula. "Electrodynamic loudspeaker with electromagnetic impedance sensor coil." Journal of the Acoustical Society of America 94, no. 3 (1993): 1755. http://dx.doi.org/10.1121/1.408100.

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33

Pollet, Ferdinand, and Jean Julia. "Electrodynamic‐fluidic transducer element for pneumatic loudspeaker." Journal of the Acoustical Society of America 95, no. 6 (1994): 3683. http://dx.doi.org/10.1121/1.409908.

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34

Merit, B., M. Remy, G. Lemarquand, and V. Lemarquand. "Enhanced construction of the direct radiator electrodynamic loudspeaker." International Journal of Applied Electromagnetics and Mechanics 34, no. 1-2 (2010): 49–61. http://dx.doi.org/10.3233/jae-2010-1086.

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35

Klein, Siegfried. "Electrodynamic loudspeaker for low and medium sound frequencies." Journal of the Acoustical Society of America 77, no. 3 (1985): 1291–92. http://dx.doi.org/10.1121/1.392095.

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36

Furihata, Kenji, Atsushi Hayama, David K. Asano, and Takesaburo Yanagisawa. "Acoustic characteristics of an electrodynamic planar digital loudspeaker." Journal of the Acoustical Society of America 114, no. 1 (2003): 174–84. http://dx.doi.org/10.1121/1.1579004.

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37

Guoqing, Miao, Ni Wansun, Tao Qintian, Zhang Zhiliang, and Wei Rongjue. "Bifurcation, chaos and hysteresis in electrodynamic cone loudspeaker." Chinese Physics Letters 7, no. 2 (1990): 68–71. http://dx.doi.org/10.1088/0256-307x/7/2/006.

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38

Petosic, Antonio, Ivan Djurek, and Djurek Danijel. "A route to chaotic state on an electrodynamic loudspeaker." Journal of the Acoustical Society of America 123, no. 5 (2008): 3696. http://dx.doi.org/10.1121/1.2935091.

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39

Feng, ZiXin, Yong Shen, Wei Heng, and YunFeng Liu. "Nonlinear behavior of electrodynamic loudspeaker suspension at low frequencies." Science China Physics, Mechanics and Astronomy 56, no. 7 (2013): 1361–65. http://dx.doi.org/10.1007/s11433-013-5112-7.

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40

Bakardjiev, Petko, Uwe Marschner, Andreas Richter, and Ercan Altinsoy. "Multimodal Loudspeaker Based on a Dielectric Elastomer Roll Actuator." Journal of the Audio Engineering Society 72, no. 12 (2024): 860–72. https://doi.org/10.17743/jaes.2022.0182.

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A novel loudspeaker design integrating lightweight and efficient acoustic transducers derived from dielectric elastomer films is presented. This innovation centers on core-free dielectric elastomer roll actuators, functioning akin to artificial muscles, altering shape upon the application of an electric field. The actuators serve two roles: propelling acoustically radiating surfaces and emitting sound themselves. The paper provides a model that describes the axial vibration behavior via electromechanical and acoustic networks, facilitating understanding and comparability with electrodynamic lo

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41

Djurek, Ivan, Antonio Petosic, and Danijel Djurek. "Chaotic state in an electrodynamic loudspeaker controlled by gas pressure." Journal of the Acoustical Society of America 121, no. 5 (2007): 3176. http://dx.doi.org/10.1121/1.4782318.

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42

Shul'man, Z. P., V. I. Korodonskii, B. M. Khusid, G. K. Voronovich, S. A. Demchik, and V. A. Kuz'min. "Amplitude-frequency characteristics of an electrodynamic loudspeaker with magnetorheologic suspension." Journal of Engineering Physics 53, no. 6 (1987): 1424–30. http://dx.doi.org/10.1007/bf00870163.

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43

Peiqing, Tong, Miao Gaoqing, Ni Wansun, and Wei Rongjue. "Lyapunov Exponents and General Dimensions of Strange Attractor of Electrodynamic Cone Loudspeaker." Chinese Physics Letters 8, no. 9 (1991): 442–45. http://dx.doi.org/10.1088/0256-307x/8/9/002.

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44

Hayama, Atsushi, Kenji Furihata, David K. Asano, and Takesaburo Yanagisawa. "Acoustic characteristics of an electrodynamic planar digital loudspeaker using noise shaping technology." Journal of the Acoustical Society of America 117, no. 6 (2005): 3636–44. http://dx.doi.org/10.1121/1.1887025.

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45

Rodionova, Elena Yurievna. "A comparative characterization of recording devices for vibration signals on the example of <i>Heterocerus fenestratus</i> (Thunberg, 1784) (Coleoptera: Heteroceridae)." Samara Journal of Science 12, no. 1 (2023): 111–16. http://dx.doi.org/10.55355/snv2023121117.

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Works on vibration communication for Orthoptera and Hemiptera are widely known in Russian literature. Basically, the piezoelectric adapter GZK-661 or the electromagnetic transducer GZM-105 are used for recording this communication. The use of these devices does not give satisfactory results when recording insects smaller than 1 cm. In this paper we consider a comparative characteristic of recording devices based on the piezoelectric transducer GZK-661, electromagnetic transducer GZM-105 and electrodynamic head eas15s02m when recording vibration communication of near-water rigid-winged Heteroce

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46

Kadowaki, Yusuke, and Toshiya Samejima. "Nonlinear distortion reduction of an electrodynamic loudspeaker by using model-following control theory." Acoustical Science and Technology 38, no. 4 (2017): 222–24. http://dx.doi.org/10.1250/ast.38.222.

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47

Pereira, Mateus de Freitas Virgilio, Alexander Mattioli Pasqual, and Guilherme de Souza Papini. "Numerical and theoretical analysis of sound absorption by an actively controlled electrodynamic loudspeaker." Journal of the Brazilian Society of Mechanical Sciences and Engineering 39, no. 1 (2016): 81–87. http://dx.doi.org/10.1007/s40430-016-0526-6.

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48

Sergeev, Stanislav, Thomas Humbert, Hervé Lissek, and Yves Aurégan. "Corona discharge actuator as an active sound absorber under normal and oblique incidence." Acta Acustica 6 (2022): 5. http://dx.doi.org/10.1051/aacus/2022001.

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In the majority of active sound absorbing systems, a conventional electrodynamic loudspeaker is used as a controlled source. However, particular situations may require an actuator that is more resistant to harsh environments, adjustable in shape, and lighter. In this work, a plasma-based electroacoustic actuator operating on the atmospheric corona discharge principle is used to achieve sound absorption in real-time. Two control strategies are introduced and tested for both normal in the impedance tube and grazing incidence in the flow duct. The performance of plasma-based active absorber is co

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49

Falaize, Antoine, and Thomas Hélie. "Passive modelling of the electrodynamic loudspeaker: from the Thiele–Small model to nonlinear port-Hamiltonian systems." Acta Acustica 4, no. 1 (2020): 1. http://dx.doi.org/10.1051/aacus/2019001.

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Анотація:

The electrodynamic loudspeaker couples mechanical, magnetic, electric and thermodynamic phenomena. The Thiele/Small (TS) model provides a low frequency approximation, combining passive linear (multiphysical or electric-equivalent) components. This is commonly used by manufacturers as a reference to specify basic parameters and characteristic transfer functions. This paper presents more refined nonlinear models of electric, magnetic and mechanical phenomena, for which fundamental properties such as passivity and causality are guaranteed. More precisely, multiphysical models of the driver are fo

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Mundorf, Raimund. "MEMBRANE OR MEMBRANE CONFIGURATION FOR AN ELECTRODYNAMIC SOUND TRANSDUCER, AND LOUDSPEAKER COMPRISING SUCH A MEMBRANE OR MEMBRANE CONFIGURATION." Journal of the Acoustical Society of America 133, no. 3 (2013): 1841. http://dx.doi.org/10.1121/1.4795036.

Повний текст джерела

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