Why Classroom Acoustics Matter: Enhancing Learning Environments with Acoustic PET Panels

In school design, we often prioritise lighting, layout, and technology. But one critical element is often overlooked — sound. Poor classroom acoustics, caused by excessive noise and reverberation, can significantly disrupt both teaching and learning.

The Real Impact of Poor Acoustics

• Reduced Speech Intelligibility
  When classrooms are too noisy or echo-filled, students struggle to hear and understand the teacher. This can lead to missed instructions and gaps in learning.
  Research highlights how degraded speech signals in classrooms reduce attention and increase off-task behaviour.
• Increased Distraction
  Noise from HVAC systems, equipment, or nearby rooms can affect students’ ability to focus, especially in younger children or those with additional learning needs.
• Teacher Strain and Fatigue
  Teachers in poor acoustic environments often raise their voices to be heard, which leads to vocal fatigue and long-term strain.
  Studies confirm that poor classroom acoustics negatively affect teacher wellbeing and vocal health.

What Causes Acoustic Issues?

• External noise from traffic, playgrounds, or other areas
• Internal noise from projectors, fans, or student activity
• Reverberation from hard surfaces that reflect sound rather than absorb it

How Acoustic PET Panels Help?

At Absolute Acoustics, we work with schools to create better learning environments using acoustic PET panels made from recycled materials and designed to absorb sound, not reflect it.

These panels:

• Reduce reverberation and background noise
• Improve speech clarity in classrooms and shared spaces
• Are sustainable, easy to maintain, and quick to install

We recently supported a university in upgrading their teaching spaces with acoustic PET panels. The result? Clearer communication, better concentration, and a more comfortable space for both students and staff.

In Summary

Poor classroom acoustics aren’t just an annoyance, they affect how well students learn and how teachers deliver lessons. Addressing the issue doesn’t have to be complicated. With the right materials and advice, most schools can improve acoustics in key spaces quickly and effectively.

Interested in exploring acoustic improvements for your school? Contact us and we’ll be happy to help.

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References

• Nelson, P. B., & Soli, S. D. (2000). Acoustical barriers to learning: Children at risk in every classroom. Language, Speech, and Hearing Services in Schools, 31(4), 356–361. https://doi.org/10.1044/0161-1461.2701.16

• Shield, B. M., & Dockrell, J. E. (2003). The effects of noise on children at school: A review. Building Acoustics, 10(2), 97–116. https://doi.org/10.1260/135101003768965960

• Mealings, K., Maggs, L., & Buchholz, J. M. (2024). The effects of classroom acoustic conditions on teachers’ health and well-being: A scoping review. Journal of Speech, Language, and Hearing Research, 67(1), 346–367. https://doi.org/10.1044/2023_JSLHR-23-00256