500hz ๋ณด๋‹ค 1000hz์ด ๋” ์ข‹๊ณ  ๊ทธ๋Ÿฐ๊ฑด ์•„๋‹ˆ์ฃ ??
500hz๋กœ ํ•œํ‰์ƒ ์จ์™€์„œ ๊ทธ๋Ÿฐ์ง€ย ย 1000hz์€ ๋ญ”๊ฐ€ ๋‹ต๋‹ตํ•œ ๋А๋‚Œ์ด ๋“œ๋„ค์š”..