US Patent 11044548 Dynamic speaker chamber

In one embodiment, a portable computing device is described. The portable computing device includes a first surface comprising at least one user interface. The portable computing device also includes a second surface opposite the first surface. Further, the portable computing device includes at least one speaker port in the first surface. Further yet, the portable computing device includes a collapsible speaker chamber configured on the second surface opposite the at least one speaker port. Moreover, the portable computing device includes a speaker configured in the portable computing device between the speaker port and the collapsible speaker chamber.