A robust predominant-F0 estimation method for real-time detection of melody and bass lines in CD recordings

Abstract

This paper describes a robust method for estimating the fundamental frequency (F0) of melody and bass lines in monaural realworld musical audio signals containing sounds of various instruments. Most previous F0-estimation methods had great difficulty dealing with such complex audio signals because they were designed to deal with mixtures of only a few sounds. To make it possible to estimate the F0 of the melody and bass lines, we propose a predominant-F0 estimation method called PreFEst that does not rely on the F0’s unreliable frequency component and obtains the most predominant F0 supported by harmonics within an intentionally limited frequency range. It evaluates the relative dominance of every possible F0 by using the Expectation-Maximization algorithm and considers the temporal continuity of F0s by using a multiple-agent architecture. Experimental results show that our real-time system can detect the melody and bass lines in audio signals sampled from commercially distributed compact discs.

DOI: 10.1109/ICASSP.2000.859070

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@inproceedings{Goto2000ARP, title={A robust predominant-F0 estimation method for real-time detection of melody and bass lines in CD recordings}, author={Masataka Goto}, booktitle={ICASSP}, year={2000} }