Indoor Acoustic Signals Enhanced Algorithm and Visualization Analysis

Figure 7

Indoor acoustic distributions in 3D space with different times: (a) t = 0.03 s, (c) t = 0.07 s, (e) t = 0.4 s, and (g) t = 0.6 s. Acoustic distributions at the height h = 1.3 m with different times of (b) 0.03 s, (d) 0.07 s, (f) 0.4 s, and (h) 0.6 s.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)