표 4. | Table 4. /a/ 모음발성의 한국인 연령대별 기본주파수 기술통계량 | Descriptive statistics of fundamental frequency by age in Korean during /a/ phonation

Author (year)	Age (yr)	Premutation	Mutation	Postmutation
Lim(2014)	4	229.78±22.05
	5	234.20±48.59
	6	242.41±20.99
Ha(2006)	7	283.6±20.7
	10	255.1±21.5
Hwang (2018)	9–12	204.47±33.93
	13–16		117.35±14.13
	21–22			114.61±10.28
Kim(2007b)	12	222.05±17.55
	13		158.89±27.81
	14		140.90±23.29
	15			123.88±14.88
Kim(2007a)	11	239.68±22.02
	12	226.98±19.23
	13		169.30±25.78
	14		146.76±22.06
	15			130.80±11.22
	16			123.53±9.20
Ko et al.(2013)	16			107±10.15
	17			107.18±9.36
	18			110.10±11.23
Yun & Kwon(1998)	5–11	260.24±22.06
Wang et al.(1996)	9	260.6±15.6
	10	244.3±18.3
	11	242.9±13.9
	12	224.0±20.2
	13	227.5±24.1
	14		182.1±21.8
	15		155.3±17.2