The ornamental design for a foldingvocalbooth, as shown and described.
1. Folding vocal booth
Fig. 1.1 is a front perspective view of our new design for a folding vocal booth; fig. 1.2 is a rear perspective view thereof; fig. 1.3 is a bottom perspective view thereof; fig. 1.4 is a rear perspective view of bottom and side parts thereof during assembly by means of touch fasteners; fig. 1.5 is a rear perspective view of assembled bottom and side parts during attachment of a sound absorber by means of touch fasteners; fig. 1.6 is a rear perspective view of assembled bottom and side parts and an attached sounds absorber during attachment of a roof section by means of touch fasteners; and fig. 1.7 is a rear perspective view of assembled bottom and side parts, an attached sound absorber and an attached roof section before side parts are folded up towards the roof section and attached thereto by means of zippers in order to form a folding vocal booth according to figs. 1.1 to 1.3.