Research Article
Spectrogram Analysis of Complete Dentures with Different Thickness and Palatal Rugae Materials on Speech Production
Table 1
Comparison between the studied groups according to sounds measured by the maximum energy (frequency, HZ).
| | Sounds | Group
() | Group I
() | Group II
() | Group III
() | Group IV
() |
| | S (Hz) | 1053.7 ± 54.3 | 1264.2 ± 69.5 | 1203.6 ± 46.4 | 1313.4 ± 55.5 | 1234.8 ± 48.7 | | Z (Hz) | 834.9 ± 55.5 | 963.6 ± 54.2 | 1022.5 ± 45.6 | 1444.0 ± 82.8 | 1097.0 ± 41.6 | | Sh (Hz) | 1205.8 ± 68.0 | 1170.6 ± 65.1 | 1291.0 ± 67.8 | 1326.9 ± 72.3 | 1237.0 ± 65.9 | | T (m/sec.) | 4.33 ± 0.1 | 3.47 ± 0.1 | 4.47 ± 0.2 | 4.53 ± 0.1 | 3.53 ± 0.1 | | D (m/sec.) | 5.77 ± 0.1 | 1.90 ± 0.1 | 3.83 ± 0.1 | 4.57 ± 0.2 | 4.57 ± 0.2 | | L (m/sec.) | 6.97 ± 0.1 | 4.50 ± 0.1 | 4.33 ± 0.2 | 4.40 ± 0.1 | 4.67 ± 0.1 |
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