5.1 Surround/(5.1环绕) -> Surround Sound/(环绕声) -> Spatialisation/(空间) -> Performance Practice and Presentation [PPP]/(表演与展示) -> CHEARS/(启耳思)

5.1 Surround/(5.1环绕) -> Surround Sound/(环绕声) -> Recording/(录音) -> Sound Production and Manipulation [SPM]/(制作与处理) -> CHEARS/(启耳思)