Live coverage or broadcast from the scene of an event, such as a game or ceremony; essentially synonymous with 'live broadcast'.
夜のサッカーの試合を実況中継で見た。
I watched the evening soccer match in live coverage.
大会はインターネットで実況中継される予定だ。
The tournament is scheduled to be broadcast live on the internet.
実況中継の解説者が試合の流れを詳しく説明した。
The live broadcast commentator explained the flow of the match in detail.