Signal Processing/(信号处理) -> Sound Production and Manipulation [SPM]/(制作与处理)

Signal Processing/(信号处理) -> Audio Engineering/(音响工程) -> Disciplines of Study [DoS]/(多学科研究)

Signal Processing/(信号处理) -> #[Tier 4] Technical Aspects for Technologists/([第四]技术层为技术员) -> Users Group/(用户群)

Signal Processing/(信号处理) -> Technique/(技能) -> Step 4 Postgraduate/(第四步研究生) -> Years Group/(年级群)