Estimating Onset and Offset Asynchronies in Polyphonic Score-Audio Alignment

@inproceedings{Devaney2014EstimatingOA,
  title={Estimating Onset and Offset Asynchronies in Polyphonic Score-Audio Alignment},
  author={Johanna Devaney},
  year={2014}
}
In order to use score-audio alignment to study expressive performance or guide signal processing algorithms, it is necessary to identify the onsets and offsets of all of the notes in sounded simultaneities (e.g. chords). This paper describes an algorithm to improve the accuracy of dynamic time warping-based score-audio alignment for monaural polyphonic recordings. The algorithm uses a multi-pass approach, where an initial dynamic time warping alignment is refined by a hidden Markov model to… CONTINUE READING

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