White noise machine

FIG. 1 is a front elevational view of a white noise machine showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a perspective view thereof.

The entire bottom surface, defined by the innermost solid line in FIG. 6 , including the features shown in broken lines, but excluding the four protruding circular feet, forms no part of the claimed design.