The invention provides a freezer system having a freezer, a thermoelectric device, and a controller. The headset positions a pair of spaced-apart microphones near a user’s mouth. The mixture is compressed and shaped as desired. In a preferred embodiment, the expansion chambers are filled with an acoustic-type foam, and the ends are not completely sealed. During a store operation of a data record, a key that is associated with the data record is used to identify one of the sections.