[The design and application of speech signal processing system by computer in stomatology.].
In this study we established a computer bases on Speech Signal Processing System and changes of formant frequencies of the vowel/i/accompany the changes in the oral cavity after maxillary surgery and prosthodontic reconstruction.The study found the F1 for vowel/i/has no change,while the F2 peak significantly shifted between the preprosthetic and postprosthetic speaking condition after anterior resection of relative energy error value and the speech intelligible measured aurally(P<0.05).
Department of Prosthodontic, School of Stomatology, Shanghai Second Medical University. Shanghai 200011,China.
J P
JP
Luo
S
S
Fan
C Y
CY
Yang