MUSICAL INSTRUMENT ESTIMATION FOR POLYPHONY USING AUTOCORRELATION FUNCTIONS

Yoshiaki Tadokoro; Koji Tanishita

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Paper

MUSICAL INSTRUMENT ESTIMATION FOR POLYPHONY USING AUTOCORRELATION FUNCTIONS

Topics: Speech Recognition

In Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, 143-148, 2005 , Barcelona, Spain

Authors: Yoshiaki Tadokoro and Koji Tanishita

Affiliation: Toyohashi University of Technology, Japan

Keyword(s): musical instrument estimation, polyphony, autocorrelation function.

Related Ontology Subjects/Areas/Topics: Informatics in Control, Automation and Robotics ; Signal Processing, Sensors, Systems Modeling and Control ; Speech Recognition

Abstract: This paper proposes a new musical instrument estimation of polyphony using autocorrelation functions. We notice that each musical instrument has each autocorrelation function. Polyphony can be separated into each monophony using comb filters ( H ( z) = 1 - z -N ). We can obtain the autocorrelation functions for the outputs of comb filters from the autocorrelation functions of the monophony. By the pattern patching between the autocorrelation functions for the output signals of the comb filters and ones calculated from monophony of each instrument, we can estimate the musical instruments for polyphony.

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Paper citation in several formats:

Tadokoro, Y. and Tanishita, K. (2005). MUSICAL INSTRUMENT ESTIMATION FOR POLYPHONY USING AUTOCORRELATION FUNCTIONS. In Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO; ISBN 972-8865-31-7; ISSN 2184-2809, SciTePress, pages 143-148. DOI: 10.5220/0001175001430148

@conference{icinco05,
author={Yoshiaki Tadokoro. and Koji Tanishita.},
title={MUSICAL INSTRUMENT ESTIMATION FOR POLYPHONY USING AUTOCORRELATION FUNCTIONS},
booktitle={Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO},
year={2005},
pages={143-148},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001175001430148},
isbn={972-8865-31-7},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO
TI - MUSICAL INSTRUMENT ESTIMATION FOR POLYPHONY USING AUTOCORRELATION FUNCTIONS
SN - 972-8865-31-7
IS - 2184-2809
AU - Tadokoro, Y.
AU - Tanishita, K.
PY - 2005
SP - 143
EP - 148
DO - 10.5220/0001175001430148
PB - SciTePress