표 2. | Table 2. CSL과 마이크 유형 간 음향학적 측정치의 신뢰도 | Reliability of acoustic measurements across CSL and microphone types
| Parameter | ICC (95% CI) |
| WIRED | SMART | WIRELESS |
| F0 (Hz) | .935 (.881–.965) | .935 (.881–.965) | .935 (.881–.965) |
| Jitt (%) | .803 (.658–.890) | .618 (.385–.778) | .560 (.307–.740) |
| Shim (%) | .779 (.622–.877) | .594 (.353–.762) | .273 (–.035–.535) |
| NHR | .778 (.620–.876) | .763 (.597–.867) | .699 (.500–.828) |
| CPPV (dB) | .913 (.843–.953) | .960 (.927–.979) | .922 (.858–.958) |
| σCPPV (dB) | .954 (.916–.975) | .949 (.907–.973) | .635 (.409–.788) |
| SRV (dB) | .629 (.401–.785) | –.349 (–.592– –.047) | .231 (–.080–.502) |
| σSRV (dB) | .650 (.429–.798) | .211 (–.101–.487) | –.297 (–.553–.010) |
| CSIDV | .813 (.675–.896) | .352 (.051–.594) | .123 (–.190–.414) |
| CPPS (dB) | .705 (.509–.832) | .840 (.718–.912) | .623 (.392–.781) |
| σCPPS (dB) | .842 (.722–.913) | .859 (.750–.923) | .882 (.790–.936) |
| SRS (dB) | .048 (–.262–.349) | –.500 (–.699– –.228) | –.009 (–.314–.299) |
| σSRS (dB) | .277 (–.310–.538) | .663 (.448–.806) | –.673 (–.812– –.461) |
| CSIDS | .749 (.576–.859) | .475 (.198–.682) | –.111 (–.403–.203) |
| AVQI | .451 (.168–.665) | .617 (.384–.777) | .496 (.224–.697) |
CSL, Computerized Speech Lab; WIRED, unidirectional microphone wired to a smart device; SMART, built-in microphone of a smartphone; WIRELESS, wireless earbuds connected to a smart device via Bluetooth; F0, fundamental frequency; Jitt, jitter percent; Shim, shimmer percent; NHR, noise-to-harmonic ratio; CPP, cestral peak prominence; SR, low-to-high spectral ratio; σ, standard deviation; CSID, Cepstral Spectral index of Dysphonia; V, vowel phonation; S, sentence production; AVQI, Acoustic Voice Quality Index.