Acoustic Pharyngometry – A new method to facilitate oral appliance therapy
Journal of Biomechanical Engineering, 1993
Authors: B. Louis, G. Glass, B. Kresen, J. Fredberg
Conclusion: “In summary, the principal findings of this report are as follows.
1) Areas inferred using the two-microphone method compared favorably with the standard single microphone approach and with water displacement methods. 2) We established a correction procedure that secured both stability of the algorithm and accuracy of the area inferences. 3) We achieved accurate measurements with a wave tube with transducers separated by as little as 3 cm.”
“This new technique demonstrates two main advantages. First, it does not require a prior calibration. This allows both easier use and fewer experimental artifacts. Second, it permits a miniaturization of the experimental wave tube. A smaller apparatus might find a wider range of diagnostic utility.”
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