An alternating magnetic field system for tracking multiple speech articulatory movements in the midsagittal plane

This report describes the design, construction, evaluation and operation of a system that utilizes alternating magnetic fields for transducing articulatory movements during speech production. The system simultaneously tracks the movements of a number of points on vocal tract structures in the midsagittal plane, inside and outside the vocal tract. It has been under development for several years, and it now exists as a finished laboratory apparatus which can be used to collect large amounts of data.

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