Towards jaw-tongue coupling for speech: modeling the jaw with a soft body approach
نویسندگان
چکیده
The jaw plays a significant role in speech production. This work introduces a muscle activated dynamic jaw model that will be connected in the future to the 3D tongue model already developed by our group. The bone structure of the jaw, extracted from CT Images, is represented as a biomechanical model using quadrilateral shell elements. Opener and closer muscles are represented as line-segmented link elements. The temporomandibular joint constraints are defined as nodal limits. The combined bone, muscle, and joint model is simulated in the ANSYS software package.
منابع مشابه
A biomechanical modeling study of the effects of the orbicularis oris muscle and jaw posture on lip shape.
PURPOSE The authors' general aim is to use biomechanical models of speech articulators to explore how possible variations in anatomical structure contribute to differences in articulatory strategies and phone systems across human populations. Specifically, they investigated 2 issues: (a) the link between lip muscle anatomy and variability in lip gestures and (b) the constraints of coupled lip/j...
متن کاملUse of low power EM radar sensors for speech articulator measurements
Very low power electromagnetic (EM) wave sensors are being used to measure speech articulator motions such as the vocal fold oscillations, jaw, tongue, and the soft palate. Data on vocal fold motions, that correlate well with established laboratory techniques, as well as data on the jaw, tongue and soft palate are shown The vocal fold measurements together with a volume air flow model are being...
متن کاملModel for Simulating Speech Production Process ( A Physiological Model for Speech Production
A physiological articulatory model has been developed to simulate the dynamic actions of speech organs during speech production. This model represents the midsagittal region of the tongue, jaw, hyoid bone, and the vocal tract wall in three dimensions. The soft tissue of the tongue is outlined in the midsagittal and parasagittal planes of MR images obtained from a male Japanese speaker, and cons...
متن کاملA dynamic biomechanical model for neural control of speech production.
A model of the midsagittal plane motion of the tongue, jaw, hyoid bone, and larynx is presented, based on the lambda version of equilibrium point hypothesis. The model includes muscle properties and realistic geometrical arrangement of muscles, modeled neural inputs and reflexes, and dynamics of soft tissue and bony structures. The focus is on the organization of control signals underlying voca...
متن کاملA Rare Case of Epignathus Combined with Soft Cleft Palate, Bifida Tongue, and Lingual Lipoma
Congenital tumors of the oral cavity are not common.Teratoids are the most common tumors, and in rare cases are associated with cleft soft palate. In this paper a rare case of Epignathus with cleft soft palate, bifida tongue, jaw malocclusion, tongue lipoma, Hypertelorism and low-set ears has been presented. A female infant with a large mass covered with skin and hair arising from hard palate, ...
متن کامل