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. 2016 Oct 10;6:31660. doi: 10.1038/srep31660

Figure 4.

Figure 4

Temporal evolution of the descriptors ϕfj and ϕch over four different songs (A–D) (see Table 2 for details). The difference in linewidths between the graphs is explained by their different number of sound units, from 1223 (in song A) to 116 (in song B).