소리의 재생이 원음에 아주 가까운 상태나 그러한 성능을 가진 음향 장치.
A shortened form of high fidelity, referring to the high-quality reproduction of sound or the equipment used to achieve it.
예문:
"The audiophile's new fi setup cost a fortune but delivered unparalleled clarity."
"She prefers the crisp and warm sound of vintage fi equipment."
"Even a basic fi system can significantly improve your home cinema experience."