GA-BASED APPROACH TO PITCH RECOGNITION OF MUSICAL CONSONANCE

Masanori Natsui, Shunichi Kubo, Yoshiaki Tadokoro

Abstract

This paper presents a novel method for the pitch recognition of the musical consonance (i.e., unison or octave) using genetic algorithm (GA). GA is a kind of optimization techniques based on natural selection and genetics. In our method, the pitch recognition is performed by the following two-step procedure: (i) search space reduction using the comb filter estimation, and (ii) evolutionary parameter estimation of tone parameters such as notes and volumes by minimizing error between a target waveform and a synthesized waveform using sound templates with estimated parameters. The potential capability of the system is demonstrated through the pitch estimation of randomly-generated consonances. Experimental results show that the system can successfully estimate chords with more than 84% success rate for two-note consonances, and more than 71% success rate for three-note consonances.

References

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  14. Minimum error on each gen. Average for 5000 runs
  15. Figure 10: Waveform transition.
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Paper Citation


in Harvard Style

Natsui M., Kubo S. and Tadokoro Y. (2006). GA-BASED APPROACH TO PITCH RECOGNITION OF MUSICAL CONSONANCE . In Proceedings of the Third International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO, ISBN 978-972-8865-61-0, pages 47-52. DOI: 10.5220/0001209400470052


in Bibtex Style

@conference{icinco06,
author={Masanori Natsui and Shunichi Kubo and Yoshiaki Tadokoro},
title={GA-BASED APPROACH TO PITCH RECOGNITION OF MUSICAL CONSONANCE},
booktitle={Proceedings of the Third International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO,},
year={2006},
pages={47-52},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001209400470052},
isbn={978-972-8865-61-0},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Third International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO,
TI - GA-BASED APPROACH TO PITCH RECOGNITION OF MUSICAL CONSONANCE
SN - 978-972-8865-61-0
AU - Natsui M.
AU - Kubo S.
AU - Tadokoro Y.
PY - 2006
SP - 47
EP - 52
DO - 10.5220/0001209400470052