A prototype system for object coding of musical audio

Abstract : This article deals with low bitrate object coding of musical audio, and more precisely with the extraction of pitched sound objects in polyphonic music. After a brief review of existing methods, we discuss the potential benefits of recasting this problem in a Bayesian framework. We define pitched objects by a set of probabilistic priors and derive efficient algorithms to infer active objects and their parameters. Preliminary experiments suggest that the proposed method results in a better sound quality than simple sinusoidal coding while achieving a lower bitrate.
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Emmanuel Vincent, Mark Plumbley. A prototype system for object coding of musical audio. 2005 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), Oct 2005, New Paltz, United States. pp.239--242. ⟨inria-00544687⟩

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