Continuing Education

Acoustics in Museums: Why Sound Is Central to the Experience

January 1, 2025

Hard surfaces and vaulted ceilings make museums acoustically challenging. Learn how acoustic design hits the 45 dB and 1.4-second targets visitors need.

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Museums Have Changed and Acoustic Demands Have Changed With Them

The modern museum is an immersive, multi-sensory institution. Exhibit halls incorporate audio systems delivering narration, ambient soundscapes, and interactive programming. Planetariums project surround-sound astronomical experiences. Performing arts theaters host lectures, concerts, and educational performances. Grand entrance halls and vaulted gathering spaces welcome thousands of visitors a day. Ballrooms seat hundreds for events. Rooftop terraces and cafes draw crowds of their own.

Each of these environments generates sound, and in a building that typically consists of hard surfaces, high ceilings, stone floors, and monumental open volumes, that sound has nowhere to go but back into the space.

The result, when acoustics are left unaddressed, is a museum experience that is tiring, disorienting, and difficult to navigate. Conversations are hard to follow. Exhibit audio bleeds from one gallery into the next. The ambient noise level creeps upward as more visitors arrive and each person unconsciously raises their voice to be heard over the accumulated reverberance. The space that was designed to educate and inspire instead produces fatigue.

A System Suited to Every Museum Environment

BASWA Systems are installed in a wide variety of project types, including multiple planetariums and museums, as well as performing arts halls, where the system also functions as a projection surface with high light reflectance. The marble aggregate finish coat delivers a Light Reflectance Value of 0.91 per ASTM E1477, meaning that in galleries where projection or display lighting is central to the exhibit experience, BASWA Phon actively supports that function as well.

Audio systems can be concealed or integrated into the surface face of a BASWA System. BASWA surfaces integrate amplified acoustics while also making the sound more intelligible by reducing reverberation. For exhibit designers who rely on directional audio, ambient soundscapes, or immersive audio-visual programming, this means the acoustic treatment and the audio delivery system can coexist within the same finished surface, with no visible infrastructure breaking the design.

The system achieves a Class A Fire Rating per ASTM E84, carries zero VOC emissions in compliance with California Section 01350, and has been tested to show no mold or mildew growth per ASTM D 3273. For public institutions that receive thousands of visitors daily and must meet stringent building code requirements, these certifications are not incidental. They are part of what makes BASWA Phon a viable specification for the full range of museum project types.

Infographic on Acoustical plaster in the modern museum

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ABOUT THE AUTHOR

The BASWA Team

The BASWA Team is the editorial voice of BASWA acoustic North America, a group of acoustical plaster experts and technical support professionals sharing accurate, well-cited insights on sound, well-being, and the built environment. We're here to make acoustics approachable and actionable for architects, contractors, and homeowners.

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