표 4 / Table 4 명료발화에서 음향학적/ 청지각적 측정치의 상관관계 / Auditory-perceptual analysis between casual speech and clear speech

Variables	Breathiness	Loudness
CPP	-.618*	.621*
CPP SD	.154	-.246
L/H ratio	-.343	.043
L/H ratio SD	.118	-.289
CPP F0	.171	.368
CPP F0 SD	.196	-.632*

^* p<.05
CPP, cepstral peak prominence L/H ratio, low/high spectral ratio