集中音波，使人易于听闻。 如：「这剧场盖得不收音。」
收取语言歌曲的声音，制成唱片或有声影片。
收听广播。
英语 to receive a radio signal, to make an audio recording, (of an auditorium etc) to have good acoustics, (vocal training, linguistics) ending (of a word or syllable)