His work on room acoustic is recognised as the most advanced and in-depth in the European architectural society. For instance, Pr. Xu has been researcher in room acoustic in the "Institut de Recherche et de Coordination Acoustique / Musique" ("IRCAM") under the direction of Pierre Boulez. (studies of the correlations between the subjective appreciation and the objective parameters of the concert halls, others subjects…).

Rewarded by the French Architecture Academy as the best architectural consultant in 1995 and 2004, Pr. Albert Yaying Xu is an active member of the American Audio Engineering Society and the French Acoustic Association.

Lecturer for international scientific research conferences (C.N.R.S. seminars, International Congress of Acoustic, Scandinavian Conference on Acoustic, Convention of Audio Engineering Society…), he also writes for scientific publications as Proceeding of the Institute of Acoustic and architectural journals as Progressive Architecture (USA), Technique & Architecture (France), Le Moniteur (France)…

He's presently teaching architectural acoustic in the Architectural School of Paris in Marne-la-Vallée (previously École d'Architecture de Paris-Tolbiac).