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Acoustical Phenomena of Indigenous Instruments: Intercultural Music Immersion Through the Lens of Physics

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Conference

2022 ASEE Annual Conference & Exposition

Location

Minneapolis, MN

Publication Date

August 23, 2022

Start Date

June 26, 2022

End Date

June 29, 2022

Conference Session

Engineering Physics and Physics Division Technical Session 1

Page Count

11

DOI

10.18260/1-2--41738

Permanent URL

https://peer.asee.org/41738

Download Count

317

Paper Authors

biography

Haridas Kumarakuru

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Haridas Kumarakuru, PhD, MInstP
Department of Physics,
College of Science,
Northeastern University,
360 Huntington Ave, Boston, MA 02115
E.Mail: h.kumarakuru@northeastern.edu

Hari has 18+ years of educational leadership experience amplifying academic and scientific endeavours in the higher education setting that has brought him to four separate continents. He capitalizes on his in-depth competencies in curriculum implementation, instructional delivery, scientific research, technical writing, and student mentoring to provide students with the tools for academic and professional success. Since 2007, he has had the privilege of mentoring numerous undergraduate and master’s students, a pursuit he is most passionate about. He has applied his established teaching skills to a wide range of undergraduate courses in general physics, engineering physics, electronics for scientists, advanced physics labs and specialized courses in the fields of functional nano material science and nanotechnology. Hari is a member of IOP (UK), JSA, AAPT and ASEE and he is a reviewer for several scientific journals.

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biography

Tyler Locke Northeastern University

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I am a third year Biomedical Physics and Mathematics student at Northeastern University in Boston, MA. My interests include biophysics, tissue engineering, computational chemistry, and acoustics.

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Anthony De Ritis Northeastern University

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Don Heiman Northeastern University

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Lucas Faria de Sá Tucker

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Hello! My name is Lucas Faria de Sá Tucker, and I am a rising fourth year Physics and Music combined major at Northeastern University.

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Abstract

Traditional musical instruments are often passed down and taught from generation to generation without essential information ever being documented. These instruments may have been in use for hundreds of years, yet if one desired to gain a better understanding of their acoustic properties, they would be left without crucial resources. In collaboration with the Department of Music, the traditional Chinese keyed soprano suona was studied. The audio signals of this musical instrument were recorded and analyzed to compare their acoustic properties to those of several contemporary western instruments. The audio waveforms were converted from the time domain into the frequency domain using a Fast Fourier Transform (FFT) algorithm, thereby generating the spectrum of frequencies that compose each sound. The frequency and relative intensity of the different spectral peaks determine the harmonic spectra, which were then compared with the instruments’ qualitative timbral qualities. These relative amplitudes and time behavior of the harmonics (overtones) were related to their corresponding effects in terms of brightness, tone, formant, etc. This was done in order to visualize the similarities and differences between several contemporary western instruments (saxophone, bass guitar, and harmonica) and the traditional Chinese suona wind instrument. Results of these investigations will contribute to the development of a book describing instrumentation and orchestration techniques for instruments of the Chinese orchestra. This work provides a valuable, accessible resource for musicians, composers, music historians, and anyone interested in the physics of music.

Kumarakuru, H., & Locke, T., & De Ritis, A., & Heiman, D., & Faria de Sá Tucker, L. (2022, August), Acoustical Phenomena of Indigenous Instruments: Intercultural Music Immersion Through the Lens of Physics Paper presented at 2022 ASEE Annual Conference & Exposition, Minneapolis, MN. 10.18260/1-2--41738

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