But how would people hear it in theaters?Stereophonic sound had been around since the 50s, but most movie houses were mainly monaural, far below home audio quality.

• 但是人们要怎么能在电影院里听到呢?虽然立体音响自从上世纪五十年代就已问世，但是大部分的电影院播放的主要都是单声道，远远不如家庭声音质量。