announcement (esp. over public-address system)
official announcement; formal information release
電車内にアナウンスが流れた。
An announcement came over the train's speakers.
係員がマイクでアナウンスする声が聞こえた。
I could hear the staff member making an announcement over the microphone.
試合開始のアナウンスとともに観客が一斉に立ち上がった。
The audience rose as one with the announcement of the start of the match.