A headset terminal for speech applications includes a headband assembly, an earcup assembly and a power source assembly. Processing circuitry is positioned in at least one of the earcup assembly and the power source assembly and includes speech processing circuitry for recognizing and synthesizing speech....http://www.google.com/patents/US7885419?utm_source=gb-gplus-sharePatent US7885419 - Headset terminal with speech functionality
