“ Detection of a Specific Musical Instrument Note Playing in Polyphonic Mixtures by Extreme Learning Machine and Particle Swarm Optimization”, IJIEE, vol. 2, no. 5, pp. 741–747, Sep. 2012, Accessed: Aug. 28, 2026. [Online]. Available: https://www.ijiee.org/index.php/ijiee/article/view/213