Figure 2 Multi-purpose auditorium The complex has two conference halls with 2,000 and 500 seats, two banquet halls, one with « seating capacity of 450 and the other with a capacity of 250, and a press conference hall with < capacity of 130. The centre also accommodate a 130-seat mu heads of states, a hall for signing bilateral protocols, a meeting hal tipurpose meeting room fo for government delegations six small conference halls with a seating capacity of 30 to 100 for special events, a 100-capacit' reception hall and six special office rooms for the heads of sta es. Among those, the mai auditorium imposed a challenge with its multi-function use (Figure 2). Room and buildin acoustics design of all these halls are conducted to meet acous specific activity held in each space. ical design criteria limits fo