๋”๋ธ” ํด๋ฆญ์—†๊ณ  2000hz์— 3g ๋” ๊ฐ€๋ณ๋‹ค๋งค


์ด๋งˆํŠธ ๊ฐ€๋ด์•ผ๊ฒ ๋…ธ