The Vox-EMA (electromagnetic articulography) system measures real-time orofacial and articulatory movements for the research of apraxia of speech, dysarthia, oral myofunctional disorders, phonetic disorders, and other speech-related pathologies.

The Vox-EMA measures the 3D positions of microsensors attached to the tongue, plate, jaw, lips, and face for tracking articulatory movements. These measurements are captured in real time via electromagnetic tracking technology that simultaneously tracks up to 16 sensors in five degrees of freedom (5DOF), or 8 sensors in 6DOF. No line of sight is required between the system and the subject to maintain uninterrupted tracking.

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