
AbstrakPerkembangan teknologi pemrosesan sinyal digital telah memberikan kontribusi yang signifikan terhadap pengenalan nada gitar dengan menggunakan algoritma Dynamic Time Warping (DTW). Penelitian dimulai dengan perekaman suara, preprocessing, dan ekstraksi ciri dari data referensi dan uji. Pada penelitian ini karakteristik suara diekstraksi menggunakan metode Fast Fourier Transform (FFT). Langkah selanjutnya adalah membandingkan hasil ekstraksi ciri FFT menggunakan algoritma DTW, dan diambil nilai terkecil sebagai keluarannya. Pengujian dilakukan sebanyak sepuluh kali untuk setiap nada gitar yang direkam, dan akurasi pengenalan nada gitar sebesar 82,5% untuk nada yang diuji yaitu A, B, C, dan D.Kata kunci: Dynamic Time Warping, Gitar, Ekstraksi CiriAbstractThe development of digital signal processing technology has contributed significantly to the recognition of guitar tones using the Dynamic Time Warping (DTW) algorithm. The research started with the sound recording, preprocessing, and feature extraction from the reference and test data. In this research, the sound characteristics were extracted using the Fast Fourier Transform (FFT) method. The next step involved comparing the results of FFT feature extraction using the DTW algorithm, with the smallest value being taken as the output. The test was ten times for each recorded guitar tone, and the accuracy in recognizing guitar tones was 82.5% for the tested tones, namely A, B, C, and D.Keywords: Dynamic Time Warping, guitar, feature extraction
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