"BRIEF DESCRIPTION OF THE DRAWINGS [0054]FIGS. 1A to 1C are views schematically showing the appearance of a portable mixing recorder according to an embodiment of the present invention, in which: [0055]FIG. 1A is a plan view of the portable mixing recorder; [0056]FIG. 1B is a front view of the portable mixing recorder; and [0057]FIG. 1C is a right side view of the portable mixing recorder; [0058]FI" . . . .