์ง์Šน๋ฏธ๋‹ˆ 1000hz๋กœ ์จ๋„ ๋ฐฐํ„ฐ๋ฆฌ ๋งŽ์ด ์กฐ๋ฃจ์ธ๊ฐ€์š”?