• Skip to main content
  • Skip to primary sidebar
  • Skip to footer
Acoustic Bulletin logotype

Acoustic Bulletin

Room acoustics blog

activity noise

C50 values correspond with speech and noise levels during groupwork classroom activities

2025-04-04 by Colin Campbell

This study investigates the real acoustic conditions of 26 primary school classrooms during lessons. There was a specific focus on how classroom activity type, student age, and room acoustics shape both speech levels and activity noise. Using Gaussian Mixture Models, the researchers separated teacher and student speech from non-speech activity noise across 93 homogeneous activity […]

Primary Sidebar

Categories

  • Education
  • Healthcare
  • Offices
  • Sustainability
  • Uncategorized
  • Various
  • LinkedIn
  • Twitter

Footer

Ecophon develops, manufactures and markets acoustic panels, baffles and ceiling systems that contribute to a good working environment by enhancing peoples’ wellbeing and performance. Our promise »A sound effect on people« is the core backbone of everything we do.

 

  • Home
  • Newsletter
  • Editorial Board
  • Contact
  • About Acoustic Bulletin
  • About Ecophon
  • Legal information

Copyright © 2026 · Magazine Pro on Genesis Framework · WordPress · Log in

Get our newsletter!

The highlights from the world of room acoustics – straight to your inbox, four times per year.

Sign up now! »