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Optimize textile as a sound absorbent
2012 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The application of sound absorbents is used all around us for different types of purposes.These absorbent comes in a wide variety and price range. One might assume that the moreprofessionally and expensive absorbents are better.This essay will focus on ways to optimize the way to hang textiles as a sound absorbent. Andhow well can a well arranged textile measure up to a designed sound absorbent?In this experiment a version of reverberation chamber method, suited for noise control, will beused. The measurements will be done in an ordinary room with low background noise and nointernal design nor acoustic treatments.The textile evaluated can be categorized as mainly made of cotton, almost completely lightstopping and weighs 330g per m2, a good example of textile used for this purpose.In evaluation of the experiments results; differences can only be proven for frequencies of2000Hz to 16000Hz, likely because of the small setups size. In that range the best performingsetup is an asymmetric folding of the hung textile, this textile setup also outperformed thedesigned absorbent.

Place, publisher, year, edition, pages
2012. , 24 p.
Keyword [en]
Keyword [sv]
Teknik, Akustik
URN: urn:nbn:se:ltu:diva-52179Local ID: 950bfa89-ebfb-486b-824c-15441faea2d6OAI: diva2:1025548
Subject / course
Student thesis, at least 15 credits
Educational program
Audio Technology, bachelor's level
Validerat; 20120902 (anonymous)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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