An audience; the group of listeners or attendees at a talk, concert, etc.
コンサート会場は大勢の聴衆で埋まった。
The concert hall was filled with a large audience.
スピーチ中、聴衆の反応を見て話し方を変えた。
During the speech, he changed his delivery based on the audience's reaction.
講演が終わると聴衆から拍手が起こった。
When the lecture ended, applause broke out from the audience.