Talking Heads: Speech Production Measuring and Analyzing Speech Production

Figure 5: Left Position and velocity over time of jaw and lower lip light-emitting diodes (LEDs) for sentences produced with reiterant /ba/ at a normal rate. Right Corresponding phase plane trajectories. CLOSED denotes the highest position achieved for /b/ and OPEN the lowest position for /a/. (From Kelso, J.A.S., Vatikiotis-Bateson E, Saltzman E.L., & Kay, B., 1985, p.269. ©1985 Acoustical Society of America.)   Introduction | Acoustic Theory | Measuring Production Tract Model | Gestural Modeling | State of the Art