audio

/ˈɑdiˌoʊ/

the audible part of a transmitted signal

中文释义：音频；声音信号

The audio quality of the podcast was significantly improved after upgrading the microphone.

升级麦克风后，播客的音频质量显著提升。

Students can access audio recordings of lectures to review difficult concepts.

学生可以访问讲座的音频录音来复习难点概念。