amidst

During some trials, an audible tone was played through the headphones, either amidst white noise or on its own, and afterwards the participants were asked if they had noticed it.

在一些测试中，耳机里会播放一些可被听见的声音，该声音或混杂于白噪音中，或单独播放，之后，参与者将被问及是否注意到这些声音。