Challenges in the use of architectural concrete for sound diffusion—A case of 350 seats concert hall in Poland

This paper discusses the design, realization and acoustical performance of a recently opened 350 seats music school concert hall, located in Jastrzębie Zdrój, Poland. Several design aspects are discussed: restrictions due to cost optimization in material selection, geometrical design of “wavy” reinforced concrete walls and acoustical performance of the finished auditorium. Construction details of the interior surfaces their influence on the acoustics are also discussed.