white noise

1. N-UNCOUNT White noise is a continuous "sh" sound, caused by many frequencies of equal intensity. 白噪音; 許多頻率不同但強(qiáng)度相等的混合雜音

They were made to listen to white noise, such as static of the sort you might pick up between radio stations. 他們被迫聽白噪音，那種類似于調(diào)電臺(tái)時(shí)聽到的靜電噪音。