Analysis of Angklung Sound Intensity as a Acoustic Instrument

Abstract

<jats:p>&lt;p style="text-align: justify;"&gt;The purpose of this study was to analysis of angklung sound intensity. The research method is using angklung musician 2 octaves. Each consists of two tube tone that sounded from the tone of G to G ', length and diameter of the tube every tone becomes independent variable, while intensity of the sound produced becomes dependent variable. Sound intensity is measured using a Sound Level Meter is placed with a constant distance. The result showed that G tone was a low tone which had a frequency of 49.5 Hz, first tube had 21.6 cm length and 4.1 cm diameter, second tube had 10.1 cm length and 3.4 cm diameter produced the sound intensity of 90.7 dB. G’ tone was a high tone which had a frequency of 99 Hz, first tube had 10 cm length and 3 cm diameter, second tube had 5.5 cm length and 2.1 cm diameter produced the sound intensity of 99.1 dB. It can be concluded that the higher the frequency, the greater the intensity of the sound produced. The shorter tube length and the smaller tube diameter, the greater the intensity of the sound. ©2016 JNSMR UIN Walisongo. All rights reserved.&lt;/p&gt;</jats:p>

Analysis of Sound Frequency on Guzheng Using Advanced Spectrum Analyzer Pro

“…This is because they all contain harmonic frequencies that match the sound frequency of the D mayor chord [18]. The research by Hartanti & Astuti which measured the intensity of the sound produced by Angklung using Sound Level Meter software, the result is that the higher the frequency so the sound intensity produced is the greater [19]. The research by Trisnowati which determined the frequency of various Gong instruments, the result is that the larger of the Gong's diameter so the fundamental frequency produced is the smaller [20].…”