표 2 / Table 2 분석변수 목록 / List of analyzed parameters

Category	Parameter (units)
VFSS	Amount, Coating
PRAAT	Intensity (dB), F0 (Hz), F0_SD (Hz), Jitter (%), RAP (%), Shimmer (%), APQ (%)HNR (dB), NHR, FUF, DVB, CPP (dB)

VFSS, videofluoroscopic swallowing study; F0, fundamental frequency; SD, standard deviation; RAP, relative average perturbation; APQ, amplitude perturbation quotient; HNR, Harmonics-to-noise ratio; NHR, Noise-to-harmonics ratio; FUF, fraction of locally unvoiced frames; DVB, degree of voiced breaks; CPP, cepstral prominence peak