The handshake between natural and simulated acoustic reflections: Design for a dynamic discussion space

The Harvard Business School's Klarman Hall presents a unique architectural solution to a complex acoustic challenge: creating a 1000-seat auditorium that can function effectively as an intimate 250-seat discussion space. This paper examines how architectural form and technological integration combine to support Harvard's distinctive case-study pedagogy, where student interaction and clear speech intelligibility are paramount. Thehall's design leverages both passive and active acoustic elements. The overhead, marionette-style, articulating ceiling geometry creates natural early reflections that reinforce speech, while a carefully tuned voice-lift system extends these benefits throughout the space. This hybrid approach extends speech intelligibility beyond the capability of natural acoustics alone. The presentation analyzes the specific architectural features that support this acoustic flexibility, including the relationship between room geometry and early reflection patterns. Performance data demonstrate how the voice-lift system complements these architectural elements, particularly in supporting cross-room discussion. This synthesis of architectural and technological solutions offers valuable insights for designing future educational spaces that must balance multiple acoustic requirements while supporting dynamic use cases.