Within A2RC Architects, designing an auditorium—whether an opera house, a theater, a parliament chamber, or a conference center—means working on spaces where the technical and symbolic dimensions are inseparable. These venues are not merely functional devices; they are architectures of speech, representation, and shared experience, where intense collective moments take shape. We approach each project as a subtle balance between acoustics, spatiality, use, and emotion. An auditorium must be both a precision instrument and a space capable of generating an immersive experience. It is not simply about hosting an event, but about creating the conditions that amplify its impact and quality. The design process always begins with a thorough understanding of acoustic requirements, which structure the very form of the project. In an opera house or theater, the objective is to enhance artistic performance by providing optimal conditions for voice and instruments. In a parliament chamber or conference center, priority is given to intelligibility, clarity of exchange, and quality of listening. We work in close collaboration with acousticians to integrate these parameters from the earliest design phases, considering acoustics not as an added constraint but as a generative principle of space. Attention to use is equally decisive. We design spaces where legibility, fluid circulation, and comfort fully contribute to the overall experience. The geometry of the hall, the slope of the tiers, the arrangement of seating, and the relationship to the stage or podium are studied with precision to ensure visibility, proximity, and high-quality listening conditions for all.