Pengaruh Variasi Jenis Bahan terhadap Pola Hamburan pada Difuser MLS (Maximum Length Sequences)

Fajar Kurniawan, Lila Yuwana, Gontjang Prajitno
Submission Date: 2013-02-05 09:12:12
Accepted Date: 2013-03-15 18:32:16

Abstract


Difuser secara umum terdapat 2 jenis yaitu difuser MLS dan QRD. Difuser biasanya terbuat dari material padat yang digunakan untuk penyerapan suara dalam ruangan. Pengaruh variasi bahan kayu dan kaca terhadap pola hamburan pada difuser MLS telah dipelajari. Difuser yang digunakan dalam pengujian adalah difuser MLS model 1010101010101 dengan lebar tonjolan 0,04 m. Pada semua pengujian yang dilakukan digunakan sumber bunyi ± 83 dB. Berdasarkan analisis yang dilakukan didapatkan bahwa variasi bahan kayu dan kaca tidak berpengaruh pada bentuk pola hamburan yang dihasilkan, tetapi berpengaruh pada nilai SPL hamburannya dimana nilai SPL hamburan kaca lebih besar dibandingkan dengan SPL hamburan kayu.


Keywords


difuser; MLS; pola hamburan; SPL;

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