The ornamental design for a soundbarrierpanel, as shown and described.
FIG. 1 is a top front perspective view of a sound barrier panel showing our new design;
FIG. 2 is a top back perspective view of the sound barrier panel of FIG. 1;
FIG. 3 is a front elevational view of the sound barrier panel of FIG. 1;
FIG. 4 is a back elevational view of the sound barrier panel of FIG. 1;
FIG. 5 is a right side elevational view of the sound barrier panel of FIG. 1;
FIG. 6 is a left side elevational view of the sound barrier panel of FIG. 1;
FIG. 7 is a top plan view of the sound barrier panel of FIG. 1;
FIG. 8 is a bottom plan view of the sound barrier panel of FIG. 1; and,
FIG. 9 is a top front perspective view of the sound barrier panel of FIG. 1 in a position of use, stacked to form a sound barrier. The broken lines depicting two additional panels illustrates environmental subject matter that forms no part of the claimed design.