The implant consists of an electrode, which is inserted into the inner ear, and an external speech
processor that is worn behind the ear.
Features include graphic translation; screen portion-selection; compatibility with internal or external speech
synthesizers; and rate, pitch, and volume control (Alliance for Technology Access, 2000).
The energy required by the implant is sent from the external speech
processor through the intact skin.
Although some external speech
synthesizers and internal synthesizer cards still exist, most programs today have software drivers that use a standard sound card to generate speech output.
Food and Drug Administration in March 2005, the Nucleus Freedom features both an internal component and an external speech