soundstage

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++sound·stage /ˈsaʊndsteɪdʒ/ noun [countable]  a large room that has been specially made so that no sounds from outside the room can be heard, used for making films and television programmes 〔拍电影和电视节目的〕隔音场，隔音摄影棚

sound·stage nounChineseSyllable  

soundstage
sound‧stage /ˈsaʊndsteɪdʒ/ noun [countable]
a large room that has been specially made so that no sounds from outside the room can be heard, used for making films and television programmes