표 1. | Table 1. 음향학적 측정치의 마이크 유형 간 비교 결과 | Comparison of acoustic measurement across micrphone types

Parameter	CSL	WIRED	SMART	WIRE LESS	F	p-value
F0 (Hz)	183.55 (55.21)	186.43 (47.78)	186.50 (47.77)	186.48 (47.79)	0.983	.328
Jitt (%)	0.94 (0.71)	0.82 (0.56)	1.42 (1.05)	1.05 (0.87)	10.172	<.001***
Shim (%)	3.82 (1.94)	3.79 (1.66)	4.35 (2.00)	5.04 (2.27)	7.414	.001**
NHR	0.14 (0.02)	0.14 (0.02)	0.14 (0.02)	0.14 (0.02)	0.944	.409
CPPV (dB)	11.13 (2.27)	11.71 (1.88)	10.83 (2.00)	11.13 (2.24)	21.464	<.001***
σCPPV (dB)	0.67 (0.35)	0.67 (0.32)	0.67 (0.31)	0.81 (0.33)	11.735	<.001***
SRV (dB)	34.66 (4.23)	37.32 (5.05)	23.05 (4.95)	39.39 (8.32)	116.433	<.001***
σSRV (dB)	1.61 (0.51)	1.63 (0.49)	2.02 (1.17)	4.34 (2.53)	38.511	<.001***
CSIDV	8.10 (12.83)	2.87 (11.51)	23.64 (13.02)	24.71 (19.05)	59.155	<.001***
CPPS (dB)	5.96 (0.79)	6.32 (0.80)	6.01 (0.72)	6.37 (0.77)	13.924	<.001***
σCPPS (dB)	3.44 (0.52)	3.61 (0.46)	3.29 (0.44)	3.48 (0.57)	23.487	<.001***
SRS (dB)	31.64 (2.85)	35.42 (2.86)	23.47 (2.95)	35.07 (3.59)	191.580	<.001***
σSRS (dB)	8.96 (1.05)	8.17 (0.99)	8.98 (0.76)	12.96 (1.60)	190.075	<.001***
CSIDS	5.84 (12.2)	−0.68 (10.87)	17.40 (11.20)	−13.82 (10.34)	203.876	<.001***
AVQI	2.63 (1.02)	1.62 (1.06)	3.09 (1.13)	2.17 (0.96)	57.953	<.001***

Values are presented as mean (SD).
p<0.01,
p<0.001.
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.