Optimization of the performance of small speaker systems with passive radiators

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dc.contributor.authorNielsen, Daniel Gertko
dc.contributor.authorLee, Gyeong Taeko
dc.contributor.authorPark, Yong-Hwako
dc.contributor.authorJensen, Jakob Søndergaardko
dc.contributor.authorAgerkvist, Finn Thomasko
dc.date.accessioned2023-07-04T07:15:46Z-
dc.date.available2023-07-04T07:15:46Z-
dc.date.created2023-06-08-
dc.date.issued2020-08-
dc.identifier.citation49th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2020-
dc.identifier.urihttp://hdl.handle.net/10203/310289-
dc.description.abstractSmall transportable Bluetooth- and smart/AI speakers are becoming an increasing part of many households. Due to their small size, these speakers have limited output at low frequencies, and typically have a vented port or in some cases a passive radiator to improve the low-frequency performance. In this work, we show how a density based material optimization approach can be used to optimize the frequency response of the system. The passive radiator is placed at the top of a cylinder with a down-firing speaker, driven with a voltage source, which, via a lumped model, is connected to a multi-physics finite element framework. The speaker radiates sound into an unbounded domain, which is realized by using perfectly matched layers. The performance of the speaker is based on a numerical measurement 1 meter away from the speaker. Several optimization results are shown and these are compared with a more generic type of small speaker system.-
dc.languageEnglish-
dc.publisherKorean Society of Noise and Vibration Engineering-
dc.titleOptimization of the performance of small speaker systems with passive radiators-
dc.typeConference-
dc.identifier.scopusid2-s2.0-85101331306-
dc.type.rimsCONF-
dc.citation.publicationname49th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2020-
dc.identifier.conferencecountryKO-
dc.identifier.conferencelocationSeoul-
dc.contributor.localauthorPark, Yong-Hwa-
dc.contributor.nonIdAuthorNielsen, Daniel Gert-
dc.contributor.nonIdAuthorJensen, Jakob Søndergaard-
dc.contributor.nonIdAuthorAgerkvist, Finn Thomas-
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ME-Conference Papers(학술회의논문)
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