Learning Similarity Metrics for Melody Retrieval

F.B. Karsdorp, P. van Kranenburg, Enrique Manjavacas

Onderzoeksoutput: Hoofdstuk in boek/boekdeelBijdrage aan conferentie proceedingsWetenschappelijkpeer review

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Samenvatting

Similarity measures are indispensable in music information retrieval. In recent years, various proposals have been made for measuring melodic similarity in symbolically encoded scores. Many of these approaches are ultimately based on a dynamic programming approach such as sequence alignment or edit distance, which has various drawbacks. First, the similarity scores are not necessarily metrics and are not directly comparable. Second, the algorithms are mostly first-order and of quadratic time-complexity, and finally, the features and weights need to be defined precisely. We propose an alternative approach which employs deep neural networks for end-to-end similarity metric learning. We contrast and compare different recurrent neural architectures (LSTM and GRU) for representing symbolic melodies as continuous vectors, and demonstrate how duplet and triplet loss functions can be employed to learn compact distributional representations of symbolic music in an induced melody space. This approach is contrasted with an alignment-based approach. We present results for the Meertens Tune Collections, which consists of a large number of vocal and instrumental monophonic pieces from Dutch musical sources, spanning five centuries, and demonstrate the robustness of the learned similarity metrics.
Originele taal-2Engels
TitelProceedings of the 20th International Society for Music Information Retrieval Conference
Pagina's478-485
StatusGepubliceerd - okt 2019

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