The present invention features a removable liner for headgear. The garment is positioned between an upper vacuum conveyor and a lower vacuum conveyor. The system includes a switch, a power supply, and one or more personal computing devices having a PoE control module. A variation of the input control values is then calculated. The present system utilizes semantically dynamic objects. A set of signal samples is correlated for each combination of the set of additional twiddle factors and the largest correlation selected as the signal.