Thinnakorn Na Ayuthaya, Phonlasit
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Preferred name
Thinnakorn Na Ayuthaya, Phonlasit
Alternative Name
Ayuthaya, Phonlasit Thinnakorn Na
Main Affiliation
Email
phonlasit.th@kmitl.ac.th
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Item type:Publication, The Trapezoidal Khim: Sound Radiation of G Notes(2025-01-01); ; ; ; Chitsakul, PakapholThis research investigates the sound characteristics of the trapezoidal Khim, a traditional Thai hammered dulcimer, focusing on the G 196, G 392 Hz and G 784 Hz notes played with different hammers. Two types of wooden hammers were used, that is, covered with flannel and uncovered. Measurements were conducted in a room measuring 10 by 5 by 3 meters using two microphones, one for capturing the sound field directionality and the other for reference sound. The measurement microphone was placed 2 meters away from the instrument at various angles, while the reference microphone was positioned above the center of the instrument. Analysis of the recordings reveals the directivity profiles for each frequencies, showing that the Khim exhibits relatively high directivity at 90 and 270 degrees, corresponding to its open channels of the instrument. This suggests that the instrument's construction significantly influences its sound radiation. Hammer type was found to affect overall directivity, i.e., fabric-covered hammers resulted in lower directivity compared to uncovered hammers. Furthermore, the hitting point on the key significantly affects the Khim's directivity, indicating that playing technique plays a crucial role in shaping the instrument's sound projection. This study contributes to a deeper understanding of the unique sound production of the trapezoidal Khim and its role in traditional Thai music. It offers valuable information for musicians, instrument makers, and researchers interested in the acoustics of cultural instruments in realistic performance environments. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Experimental study on comparison sound quality measurement of thai fiddle resonator(2020-07-01)This work is a scientific experiment report. study how to measure and compare the sound quality of musical instruments. Especially the The Sx dwng or Thai fiddle This is an interesting process for development in term of multiciliary study of art and sciene and also expand Thai's cultural capital in order to present a sustainable couture to be view on the world stage. This experiment hypothesized the finding of relations between the surface tension values of the python skin that tight-fitting on the resonator and the fundamental frequency values. This will be qualitative indicator in the production of The Sx dwng or Thai fiddle, that is economic and easy to use for the existing musical instrument maker.