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Robust Polyphonic Music Retrieval with <i>N</i>-grams Export

J. Intell. Inf. Syst., Vol. 21, No. 1. (2003), pp. 53-70.

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Music Information Retrieval - Audio Similarity and Retrieval's tags for this article

chord-distance melody-retrieval midi music-retrieval n-gram rhythm-features

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In this paper we investigate the retrieval performance of monophonic and polyphonic queries made on a polyphonic music database. We extend the n -gram approach for full-music indexing of monophonic music data to polyphonic music using both rhythm and pitch information. We define an experimental framework for a comparative and fault-tolerance study of various n -gramming strategies and encoding levels. For monophonic queries, we focus in particular on query-by-humming systems, and for polyphonic queries on query-by-example. Error models addressed in several studies are surveyed for the fault-tolerance study. Our experiments show that different n -gramming strategies and encoding precision differ widely in their effectiveness. We present the results of our study on a collection of 6366 polyphonic MIDI-encoded music pieces.


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