In recent years, audio researchers in China have been devoting significant resources to the study of head-related transfer functions (HRTFs) and virtual auditory displays (VADs) in such applications as acoustics, computer games, signal processing, hearing aids, spatial sound reproductions, and many others. With financial support from the National Nature Science Fund of China, South China University of Technology and the Beijing University of Posts and Telecommunications have launched a long-term research project on HRTFs and VADs. This engineering report presents highlights of these research projects, including studies on HRTF measurements and database construction, statistical analysis on measured HRTFs, a dynamic VAD system, and an algorithm for reducing timbre coloration on virtual surround sound reproduction.
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