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We present a live drum separation system for a specific target drumset to be used as a front end in a complete live drum understanding system. Our system decomposes drum note onsets onto spectral drum templates by adapting techniques from non-negative matrix factorization. Multiple templates per drum are computed using a new gamma mixture model clustering procedure to account for the variety of sounds that can be produced by a single drum. This clustering procedure imposes an Itakura-Saito distance metric on the cluster space. In addition, we utilize “tail” templates for each drum which greatly improve the separation accuracy when cymbals with long decay times are present.
Author (s): Battenberg, Eric; Huang, Victor; Wessel, David
Affiliation:
University of California, Berkeley, CA, USA; Center for New Music and Audio Technologies, Berkeley, CA, USA
(See document for exact affiliation information.)
Publication Date:
2012-03-06
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Session subject:
Processing of Audio
Permalink: https://aes2.org/publications/elibrary-page/?id=16176
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Battenberg, Eric; Huang, Victor; Wessel, David; 2012; Toward Live Drum Separation Using Probabilistic Spectral Clustering Based on the Itakura-Saito Divergence [PDF]; University of California, Berkeley, CA, USA; Center for New Music and Audio Technologies, Berkeley, CA, USA; Paper 1-2; Available from: https://aes2.org/publications/elibrary-page/?id=16176
Battenberg, Eric; Huang, Victor; Wessel, David; Toward Live Drum Separation Using Probabilistic Spectral Clustering Based on the Itakura-Saito Divergence [PDF]; University of California, Berkeley, CA, USA; Center for New Music and Audio Technologies, Berkeley, CA, USA; Paper 1-2; 2012 Available: https://aes2.org/publications/elibrary-page/?id=16176
@article{battenberg2012toward,
author={battenberg eric and huang victor and wessel david},
journal={journal of the audio engineering society},
title={toward live drum separation using probabilistic spectral clustering based on the itakura-saito divergence},
year={2012},
number={1-2},
month={march},}