Tensuan, J.V.S., Villagracia, A.R. and Pobre, R.F. 2006. Automated thresholding in electric guitar note recognition using Fourier analysis and neural network. Proceedings of the Samahang Pisika ng Pilipinas, 24(1), SPP-2006-PA-11. URL: https://proceedings.spp-online.org/article/view/SPP-2006-PA-11.