๋ฐ๋ธŒ์‚ผ ๋ฌด์„ ์€ 1000hz๊นŒ์ง€๋ผ๊ณ ๋Š” ํ•˜๋Š”๋ฐ


๋ฐ์œ ์„ ๋„ ๋˜‘๊ฐ™๋‚˜. ์–ด๋””์„œ ๋ฐ์œ ์„ ์€ 4000hz์—์„œ๋„ ๋ชจ์…˜์‹ฑํฌ ๋œ๋‹ค๋Š” ์–˜๊ธฐ๋ฅผ ๋“ค์—ˆ๋˜ ๊ฒƒ ๊ฐ™์•„์„œ.