A hospital documentation system that allows for the electronic capture of data for patient forms. This lining may be applied throughout the inner faces of the ductwork, and provides corrosion resistance and increased structural integrity to the ductwork. The cooler includes a lid portion that is in communication with the body portion. The timecode packet is preferably automatically inserted in a user data packet of the frame, between the picture start header and the first slice header. The despread values from each symbol period are combined over a plurality of symbol periods based on the combining weights. Thus, the frequency of the output signal of the band-pass filter is matched to the input signal.