Why do large covered stadiums receive less acoustic treatment than concert halls?

Large covered stadiums receive only minor acoustical treatment compared to concert halls because their primary design requirements and functional purposes differ significantly from those of dedicated musical venues.1

In architectural acoustics, the design of a space is heavily influenced by its intended use, with reverberation time—the time required for sound intensity to decay—serving as a critical metric. Concert halls are meticulously engineered to balance clarity and fullness, often requiring specific materials and structural modifications to achieve ideal acoustic conditions for music or speech.1234

Conversely, large covered stadiums are primarily designed for sports and large-scale events where the acoustic requirements are less stringent than those for high-fidelity musical performances. Because these structures are massive, the cost and complexity of applying extensive acoustic treatments to such large volumes are often prohibitive and unnecessary for their primary functions. While concert halls utilize specialized surfaces to manage reflections and ensure sound quality, stadiums generally rely on their basic construction, accepting that they will not provide the refined acoustic environment of a purpose-built auditorium.13