Abstract:Telah dilakukan pembuatan alat impedance tube sesuai dengan standar ISO 10534-2: 1998 [2] yaitu dimensi tabung 10 cm, ketebalan tabung 5 mm, jarak antara sumber suara dengan microphone terdekat 70 cm, jarak antara sampel dengan microphone terdekat 21 cm, jarak antar microphone 9 cm, frekuensi batas atas pengukuran 2000 Hz dan frekuensi batas bawah pengukuran 125 Hz. Pada penelitian ini digunakan metode impedance tube 2 microphone untuk melakukan pengukuran koefisien serap material. Prinsip kerja dari metode in… Show more
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