Computer Science ›› 2014, Vol. 41 ›› Issue (10): 45-49.doi: 10.11896/j.issn.1002-137X.2014.10.010

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Application Research of Audio Feature Based on Particle Swarm Optimization Algorithm

WANG Zhi-qiang,GUO Ning and FU Xiang-hua   

  • Online:2018-11-14 Published:2018-11-14

Abstract: Based on the research of audio feature,this paper extracted the features of loudness and pitch,and selected their feature weights by PSO.We proposed an automatic evaluation method of singing segment which was already applied to video song-on-demand marking system.According to the results of the experiments carried out,the systems characterizes similar degree of the singer singing and singing original sound in real time so that the marking standards are efficient.

Key words: Audio feature,PSO,Video song-on-demand systems

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