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  4. Ensemble size classification in Colombian Andean string music recordings
 
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2019
Konferenzbeitrag
Titel

Ensemble size classification in Colombian Andean string music recordings

Abstract
Reliable methods for automatic retrieval of semantic information from large digital music archives can play a critical role in musicological research and musical heritage preservation. With the advancement of machine learning techniques, new possibilities for information retrieval in scenarios where ground-truth data is scarce are now available. This work investigates the problem of counting the number of instruments in music recordings as a classification task. For this purpose, a new data set of Colombian Andean string music was compiled and annotated by expert musicologists. Different neural network architectures, as well as pre-processing steps and data augmentation techniques were systematically evaluated and optimized. The best deep neural network architecture achieved 80.7% file-wise accuracy using only feed forward layers with linear magnitude spectrograms as input representation. This model will serve as a baseline for future research on ensemble size classification.
Author(s)
Grollmisch, Sascha
Cano, Estefanía
Mora-Ãngel, Fernando
López Gil, Gustavo A.
Hauptwerk
14th International Symposium on Computer Music Multidisciplinary Research, CMMR 2019. Proceedings
Konferenz
International Symposium on Computer Music Multidisciplinary Research (CMMR) 2019
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