Optimization of SPL and THD Performance of Microspeakers Considering Coupling Effects
Mobile phones have become more versatile as a result of advances in mobile communication technology. The latest mobile phones are able to provide dazzling multimedia entertainment with portability. A microspeaker has become a generic electromechanical part of mobile phones that enables multimedia fe...
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| Veröffentlicht in: | IEEE transactions on magnetics 2011-05, Vol.47 (5), p.934-937 |
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| container_title | IEEE transactions on magnetics |
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| creator | Lee, Chang-Min Hwang, Sang-Moon |
| description | Mobile phones have become more versatile as a result of advances in mobile communication technology. The latest mobile phones are able to provide dazzling multimedia entertainment with portability. A microspeaker has become a generic electromechanical part of mobile phones that enables multimedia features. Therefore, the performance of the microspeaker must be improved in line with the increasing demand for high-quality sound produced by the phone. Sound pressure level (SPL) and total harmonic distortion (THD) are the two most common evaluation criteria that are used to quantify the performance of the microspeaker. Therefore, it is necessary to implement an analysis procedure that predicts and quantifies the SPL and THD characteristics. This manuscript suggests a multiphysics analysis procedure that comprehensively considers electromagnetic, mechanical, and acoustic coupling effects. The experimental results confirm the validity of the proposed analysis procedure. |
| doi_str_mv | 10.1109/TMAG.2010.2089502 |
| format | Article |
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The latest mobile phones are able to provide dazzling multimedia entertainment with portability. A microspeaker has become a generic electromechanical part of mobile phones that enables multimedia features. Therefore, the performance of the microspeaker must be improved in line with the increasing demand for high-quality sound produced by the phone. Sound pressure level (SPL) and total harmonic distortion (THD) are the two most common evaluation criteria that are used to quantify the performance of the microspeaker. Therefore, it is necessary to implement an analysis procedure that predicts and quantifies the SPL and THD characteristics. This manuscript suggests a multiphysics analysis procedure that comprehensively considers electromagnetic, mechanical, and acoustic coupling effects. 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The latest mobile phones are able to provide dazzling multimedia entertainment with portability. A microspeaker has become a generic electromechanical part of mobile phones that enables multimedia features. Therefore, the performance of the microspeaker must be improved in line with the increasing demand for high-quality sound produced by the phone. Sound pressure level (SPL) and total harmonic distortion (THD) are the two most common evaluation criteria that are used to quantify the performance of the microspeaker. Therefore, it is necessary to implement an analysis procedure that predicts and quantifies the SPL and THD characteristics. This manuscript suggests a multiphysics analysis procedure that comprehensively considers electromagnetic, mechanical, and acoustic coupling effects. 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| ispartof | IEEE transactions on magnetics, 2011-05, Vol.47 (5), p.934-937 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Acoustics Coils Coupling analysis Couplings Cross-disciplinary physics: materials science rheology Electromagnetics Exact sciences and technology Magnetic circuits Magnetism Materials science microspeaker Optimization Other topics in materials science Physics response surface method (RSM) Response surface methodology sound pressure level (SPL) Studies total harmonic distortion (THD) |
| title | Optimization of SPL and THD Performance of Microspeakers Considering Coupling Effects |
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