2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2011
DOI: 10.1109/icassp.2011.5946373
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A unified approach to real time audio-to-score and audio-to-audio alignment using sequential Montecarlo inference techniques

Abstract: We present a methodology for the real time alignment of mu sic signals using sequential Montecarlo inference techniques. The alignment problem is formulated as the state tracking of a dynamical system, and differs from traditional Hidden Markov Model -Dynamic Time Warping based systems in that the hidden state is continuous rather than discrete. The major contribution of this paper is addressing both problems of audio-to-score and audio-to-audio alignment within the same framework in a real time setting. Perfo… Show more

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Cited by 31 publications
(27 citation statements)
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“…This iterative process allows many hypotheses to be followed in parallel. Montecchio and Cont (2011) investigate the ability of a particle filter to adapt to gradual and sudden tempo change. Duan and Pardo (2011) examine the use of particle filtering for score alignment using both pitch and chroma features.…”
Section: Score Following Systemsmentioning
confidence: 99%
“…This iterative process allows many hypotheses to be followed in parallel. Montecchio and Cont (2011) investigate the ability of a particle filter to adapt to gradual and sudden tempo change. Duan and Pardo (2011) examine the use of particle filtering for score alignment using both pitch and chroma features.…”
Section: Score Following Systemsmentioning
confidence: 99%
“…Another closely related research area is real-time score following, which aims to synchronize positions between the audio and the digital score. Arzt and Widmer proposed to use online dynamic time warping with simple tempo models to follow the music [2], while Montecchio and Cont modeled the system as a state tracking problem with various probabilities carefully trained [9]. Distinguished from these works, MusicScore can not only track the live performance, but also identify wrongly played notes or tempo.…”
Section: Related Workmentioning
confidence: 99%
“…However, a detailed discussion and a systematic evaluation of the effectiveness of the methods for audio score following have not been given in the literature. Score-following algorithms that can follow repeats/skips have been proposed in [5], [11], [15]. The targets of these algorithms are predetermined repeats/skips from and to specific score positions, and treatment of arbitrary repeats/skips is not discussed nor guaranteed.…”
Section: Introductionmentioning
confidence: 99%