Ta-Chun Chen

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Real world music pieces often present time-varying spectral shapes that normally lead to time, amplitude or frequency modulations in a phrase. Whereasthe standard Non-negative Matrix Factorization (NMF) assumes fixed spectral bases, an extension is proposed where the temporalactivations, the coefficients of the decomposition on the spectralatom basis,(More)
Multicore processor provides large computation capability but also involves the complicate parallel programming. One of major considerations in parallel programming is the performance. Traditional design methodologies which usually start a design on a selected platform spend a lot of effort and time on tuning performance and debugging. When platform is(More)
Musical Note Analysis of Solo Violin Recordings Using Recursive Regularization EURASIP Journal on Audio, Speech, and Music Processing 2014, 2014:25 doi:10.1186/s13636-0140025-6 Yi-Ju Lin (lyjca.cs96@g2.nctu.edu.tw) Tien-Ming Wang (showmin@csie.ncku.edu.tw) Ta-Chun Chen (titmis@gmail.com) Yin-Lin Chen (truehanyo@hotmail.com) Wei-Chen Chang(More)
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