872425.fig.009a
(a)
872425.fig.009b
(b)
872425.fig.009c
(c)
872425.fig.009d
(d)
872425.fig.009e
(e)
872425.fig.009f
(f)
Figure 9: Original spectrograms of (a) piano, (b) flute, (c) trumpet, (f) snare, (g) hi-hats, and (h) kick drum.