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Analysis of Frequency on Sound of Genta Based on Fast Fourier Transform Method

Genta is one of the ceremonial equipment that is very sanctified for Hindus, especially Hindus in Bali. For the Balinese Hindu Society, the sound of genta is believed to be able to deliver the prayer of worship before God. Frequency is one of the important features of sound. In this study a sound frequency analysis was performed on sound of genta, and aimed to determine the characteristics of sound based on the sound frequency feature. FFT (Fast Fourier Transform) is used to determine the frequency component of genta's sound. The frequency of sound consists of the basic frequency (f0) and the porminent frequency (f1, f2, f3). In this study used two types of genta, ordinary genta and Uter genta. The results showed average values for the basic frequency (fo), respectively for regular Genta and uter genta were 750 Hz and 510 Hz.