He is now Director and full professor of the Graduate Program in Architectural Acoustics at Rensselaer Polytechnic Institute.
He is internationally recognized for his contributions to measurements and analysis techniques, and numerical simulation of sound fields in coupled rooms evidenced by his over 400 publications in journals, magazines, and conference proceedings.
With James Sabatier he successfully applied acoustic-to-seismic coupling in landmine detection.
With Manfred R. Schroeder he developed a simultaneous dual channel measurement method using reciprocal maximum-length sequences (2003).
Xiang was visiting professor at Pierre and Marie Curie University (UPMC) in June 2013.