Kentong Damping Sound Intensity Level Based on Kentongan Length Variations

Authors

  • Ellianawati Ellianawati Universitas Negeri Semarang, Indonesia
  • Muhammad An’im Arravi Universitas Negeri Semarang, Indonesia
  • Fitria Wulandari Universitas Negeri Semarang, Indonesia
  • Rofita Istiqomah Universitas Negeri Semarang, Indonesia

DOI:

https://doi.org/10.21580/jnsmr.2019.5.2.11039

Keywords:

intensity level, sound, bamboo, kentongan.

Abstract

This study aims to determine the attenuation of the sound produced by a Kentongan musical instrument based on variations in the length of the Kentongan. Data were collected in a quiet room by starting to measure the noise and atmosphere of the room. This study used Sound Meter Software with version 3.4.5 with a maximum sound intensity limit of ~ 90 dB, mobile as an intermediary. This study used Kentongan with a length of 1, 29 cm and a length of 2 that was 34.1 cm. Experiments were carried out 3 times with the first experiment without Kentongan, then Kentongan 1 and then Kentongan 2. The sound intensity produced by without Kentongan is an average of 60.08 dB, then with Kentongan 1 that is, with an average of 61.86 dB, and Kentongan 2 with an average of 56.68 dB. 

©2019 JNSMR UIN Walisongo. All rights reserved.

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Author Biography

Rofita Istiqomah, Universitas Negeri Semarang

Department of Physics, Faculty of Science and Technology

References

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Published

2019-12-31

Issue

Vol. 5 No. 2 (2019): December

Section

Original Research Articles

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Copyright

The copyright of the received article shall be assigned to the publisher of the journal. The intended copyright includes the right to publish the article in various forms (including reprints). The journal maintains the publishing rights to published articles. Authors are allowed to use their articles for any legal purposes deemed necessary without written permission from the journal, but with an acknowledgment to this journal of initial publication.

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