Estimate the inharmonicity coefficient B and fundamental frequency f0 in a non-negative matrix factorization framework for a single note.

Related publications

T. Cheng, S. Dixon, and M. Mauch, “Modelling the decay of piano sounds,” in ICASSP, 2015.
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F. Rigaud, B. David, and L. Daudet, “A parametric model and estimation techniques for the inharmonicity and tuning of the piano,” The Journal of the Acoustical Society of America, vol. 133, no. 5, pp. 3017–3118, 2013.
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