A speech aid for persons with hypokinetic dysarthria, a speech disorder associated with Parkinson's disease. The speech aid alters the pitch at which the user hears his or her voice and/or provides multitalker babble noise to the speaker's ears. The speech aid induces increased speech motor activity and improves the intelligibility of the user's speech. The speech aid may be used with a variety of microphones, headphones, in one or both ears, with a voice amplifier, or connected to telephones.
Electronic speech aid and method for use thereof to treat hypokinetic dysarthria