high fidelity
词源说明
From the idea of strong lifelikeness, being very much true to life, a faithful reproduction of the original sounds that were recorded, with very little loss of information.
释义（英文）
名词 Noun
- The electronic reproduction of a given sound or image with relatively high accuracy.
- A high-quality reproduction of sound.
形容词 Adjective
- (of a sound system) Characterized by minimal distortion.