Reverberation time – an important factor for optimal room acoustics
Reverberation time describes the length of time that a sound event continues to reverberate in a room until the sound pressure level has fallen by 60 dB. Excessively long reverberation times lead to unpleasant echoes, poor speech intelligibility and increased noise pollution. Especially in offices, classrooms, nurseries, conference rooms, call centres, gyms or production halls, targeted regulation of the reverberation time is crucial for optimal room acoustics.
The soniflex room acoustics measurement app – easily measure reverberation and improve room acoustics (here for iOS / here for Android)
With our user-friendly app, you can analyse the reverberation in your rooms in just a few steps. This allows you to quickly and accurately determine how many sound-absorbing elements are needed to create pleasant, balanced room acoustics without disturbing reverberation.
Watch the application video: continue to YouTube
How does reverberation occur?
When sound waves hit hard, reflective surfaces such as glass, concrete or tiles, they are reflected multiple times before they fade away. Without sufficient sound absorption, the reverberation persists for a long time, resulting in an unpleasant sound.
Modern architecture with open floor plans, high ceilings and smooth materials such as exposed concrete, glass surfaces or stone floors further amplifies this effect, as it offers hardly any sound-absorbing surfaces. This often results in unpleasant room acoustics that can impair concentration, communication and well-being.
How can reverberation time be reduced?
The reverberation time can be significantly reduced by using sound-absorbing materials. These materials absorb sound and prevent excessive reflections.
To effectively improve room acoustics, they should be strategically placed on ceilings and walls throughout the room. This creates a balanced sound distribution that reduces disturbing reverberation and significantly increases speech intelligibility.
Cellofoam solutions for reducing reverberation
Cellofoam offers high-quality sound absorbers that specifically reduce reverberation time and ensure pleasant room acoustics:
✔ Acoustic panels & acoustic elements – Optimal sound absorption for rooms with high ceilings
✔ Soundproofing panels for walls & ceilings – Reduce reflections and improve speech intelligibility
✔ Customised acoustic solutions for commercial & industrial use – Perfect for open-plan offices, schools & production facilities
✔ Mobile partition walls and table dividers – Flexible use for acoustic optimisation in offices and conference rooms
✔ Seating cubes – as comfortable seating or in a smaller version (200x200x200 mm) for hanging from high ceilings
✔ Door insulation – for easy retrofitting of doors to reduce airborne and structure-borne noise
✔ Acoustic pictures – combine effective sound insulation with attractive interior design
✔ Ceiling inserts – suitable for common grid ceiling systems, ideal for unobtrusive sound absorption from above
Conclusion
Excessive reverberation time can significantly impair speech intelligibility and well-being. With the right sound absorbers and acoustic elements from Cellofoam, room acoustics can be improved and a more pleasant environment created.
✉ Get advice now and find the right solution for optimal reverberation reduction!