Acoustic Characteristics of Bamboo-based Guitar - A Case Study

Sinin, Aaliyawani E. and Hamdan, Sinin and Said, Khairul A. Mohamad and Musib, Ahmad Faudzi and Kamarudin, Khairil A. Dean and Hasnan, Hairul H. (2025) Acoustic Characteristics of Bamboo-based Guitar - A Case Study. BIORESOURCES, 20 (1). pp. 140-154. ISSN 1930-2126, DOI https://doi.org/10.15376/biores.20.1.140-154.

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Official URL: https://doi.org/10.15376/biores.20.1.140-154

Abstract

Bamboo is a fast-growing plant easily obtained in Malaysia. It is commonly used for constructing various solid structures including the guitar. Its unique sound quality makes it different from the traditional wooden guitar. The Yamaha guitar sound was used as reference for the generally preferred guitar characteristics. This work focused on the acoustic characteristics easily obtained using the frequency spectrum analysis via a PicoScope oscilloscope and spectrogram using Adobe Audition. A microphone was used for recording the string sound and yielding the frequency response function. The Fast Fourier Transform (FFT) spectra showed that the Yamaha guitar had less partials compared to the bamboo guitar, except string 4. Strings 1, 2, and 3 showed a regular signal from the Yamaha guitar whereas the bamboo guitar showed an irregular pattern with significant overtone. The intensity of the partials in the bamboo guitar displayed a recognizable pattern, i.e., a reduction of partial intensity amplitude proportional to increasing frequency in strings 4, 5, and 6. Some random partials appeared between the harmonics in string 1, 2, and 3 from bamboo guitar whereas the absence of partials in the Yamaha guitar could be due to the higher radiation coefficient of wood, which displays a different timbre.

Item Type: Article
Funders: Universiti Putra Malaysia, Bintulu Campus, Bintulu, Sarawak, Malaysia
Uncontrolled Keywords: Bamboo guitar; Music instrument; Fast Fourier transform
Subjects: M Music and Books on Music > M Music
Divisions: Faculty of Creative Arts (formerly known as the Cultural Centre)
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 12 Mar 2025 07:27
Last Modified: 12 Mar 2025 07:27
URI: http://eprints.um.edu.my/id/eprint/47702

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