Pengoreksi Nada Menggunakan Mikrokontroler untuk Meningkatkan Kualitas Suara pada Biola
Danu Kusuma Wardhana(1*), Tri Kuntoro Priyambodo(2)
(1) 
(2) Department of Computer Science and Electronics, Universitas Gadjah Mada
(*) Corresponding Author
Abstract
System is made using sound sensor for receiving the wave of the violin, turned it out to electric signal and then detecting its pitch value – reading it as the interval of the main frequency – and then playing desired in-tune audio data of violin tones. The main process is done by microcontroller supported by audio shield. The output is in-tune audio data which played through speaker.
System achieved 100% accuracy while using pure sinusoid wave tones for testing. System achieved 17,33% accuracy while using pre-recorded violin tones for testing. System achieved 10,66% accuracy while using live-played violin tones for testing.
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[1] Chandra, R., 2010, Rekognisi Berbasis Audio dengan Pendekatan Alih Ragam Gelombang Singkat Diskrit.
[2] Jensen, Nikolas Borrel., 2009, Real Time Pitch Correction, Technical University of Denmark,Copenhagen.
DOI: https://doi.org/10.22146/ijeis.10772
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