Stereophonic/(立体声) -> Spatialisation/(空间) -> Performance Practice and Presentation [PPP]/(表演与展示)

Stereophonic/(立体声) -> Spatialisation/(空间) -> Tier 3 Practical Aspects Primarily for Performers/(第三层实践方面主要针对表演者) -> Users Group/(用户群)

Stereophonic/(立体声) -> Recording/(录音) -> Sound Production and Manipulation [SPM]/(制作与处理) -> CHEARS/(启耳思)