표 7. | Table 7. 모음별 성종 간 음역 비교 | Comparisons of voice range by vocal types in each vowel
| Parameter | Vowel | Tenor | Baritone | Base | χ2 | p-value |
| F0MAX (Hz) | /a/ | 642.20 (120.84) | 448.11 (149.21) | 349.00 (20.00) | 11.514 | .003* |
| /i/ | 591.93 (147.26) | 406.11 (103.84) | 370.33 (35.79) | 13.551 | .001* |
| /u/ | 611.27 (116.55) | 418.88 (124.20) | 350.33 (40.01) | 13.217 | .001* |
| F0MIN (Hz) | /a/ | 121.33 (7.63) | 112.88 (9.31) | 93.00 (14.93) | 10.442 | .005* |
| /i/ | 119.87 (12.63) | 111.88 (9.22) | 97.33 (22.36) | 3.379 | .185 |
| /u/ | 119.53 (7.77) | 111.66 (13.88) | 89.00 (12.12) | 9.563 | .008* |
| F0RANGE (Hz) | /a/ | 520.87 (121.31) | 335.22 (150.43) | 256.00 (12.76) | 10.537 | .005* |
| /i/ | 472.07 (140.54) | 294.22 (106.51) | 273.00 (58.07) | 12.338 | .002* |
| /u/ | 491.73 (116.58) | 307.22 (128.83) | 261.33 (50.73) | 12.215 | .002* |
| F0CHEST (Hz) | /a/ | 285.67 (37.84) | 208.56 (45.33) | 198.00 (50.56) | 12.626 | .002* |
| /i/ | 293.93 (44.98) | 208.44 (35.27) | 175.33 (12.05) | 16.834 | <.001* |
| /u/ | 294.73 (58.84) | 170.78 (97.76) | 196.00 (48.28) | 15.134 | .001* |
| F0HEAD (Hz) | /a/ | 235.20 (104.65) | 126.67 (109.16) | 58.00 (38.00) | 8.774 | .012* |
| /i/ | 178.13 (121.61) | 85.78 (80.60) | 97.67 (69.40) | 4.943 | .084 |
| /u/ | 197.00 (112.86) | 136.44 (162.95) | 65.33 (49.085) | 3.278 | .194 |
| 1stPASSAGGIO (Hz) | /a/ | 304.00 (32.83) | 250.00 (34.27) | 200.33 (23.71) | 15.098 | .001* |
| /i/ | 301.33 (28.06) | 239.22 (17.92) | 184.00 (0.00) | 19.136 | <.001* |
| /u/ | 311.87 (39.71) | 276.00 (72.98) | 203.66 (18.23) | 12.616 | .002* |
| 2ndPASSAGGIO (Hz) | /a/ | 407.00 (37.41) | 321.44 (46.52) | 291.00 (51.02) | 15.156 | .001* |
| /i/ | 413.80 (44.66) | 320.33 (34.30) | 272.667 (34.03) | 18.252 | <.001* |
| /u/ | 414.27 (62.78) | 282.44 (96.64) | 285.00 (48.49) | 17.937 | <.001* |
F0MAX, maximum fundamental frequency; F0MIN, minimum fundamental frequency; F0RANGE, fundamental frequency range; F0CHEST, chest register; F0HEAD, head register; 1stPASSAGGIO, first register transition; 2ndPASSAGGIO, seconds register transition.