Patent US 6,282,154

A portable hands-free documentation system includes a headset microphone in communication with a portable recording unit having analog-to-digital and digital-to-analog conversion means therein. The portable unit further includes means for recording digital data to and reading digital data from a removable data storage medium, such as a high capacity removable computer disk. The unit also includes an output means for transmitting analog signals to a computer wherein the signals are automatically converted to text using voice recognition software.