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Acoustic solutions for classrooms

Face to face teaching and learning

Good acoustics in classrooms will

  • help students and teachers concentrate
  • make the teacher’s voice easily reach all students
  • make sure that, in group assignments, speech will not spread and disturb others

The most important thing in a classroom is speech clarity - for both teachers and students, both in traditional teaching and in group assignment. 

If a classroom has poor acoustics:

  • low-frequency sounds will distort speech
  • sound will bounce off ceiling and walls and create echoes
  • sound levels will escalate
  • students and teachers will have to raise their voices to be heard

This can make both teachers and students feel tired and unfocused. 

Challenge

  • Reducing sound levels
  • Minimising background low-frequency sound
  • Ensuring speech clarity
  • Preventing the build-up of echoes
  • Ensuring speaker and listener comfort

Solution

  • Use a sound-absorbing ceiling with exceptional absorption qualities for all speech frequencies, and particularly low frequencies
  • Add wall absorbers on the back wall for traditional teaching, and on two adjacent walls for group teaching
  • Add a speech-reflecting zone in the ceiling above the teacher for traditional teaching

Product recommendation 

 Product combination Low frequency (125 HZ) Total acoustic performance Impact resistance / Durability  Indoor air quality Ceiling surface
5 5 5 5 Reinforced Akutex™ FT
5 5 3 5 Akutex™ T
Gedina and Akusto Wall 3 3 3 5 Akutex™ T


The recommendation above is for this particular activity and space, based on a comparison between Ecophon products. The scale applied ranges from 1 to 5, where 5 is the highest score. For indoor air quality, 5 equates to compliance with French VOC A+ and California Emission Regulation standard, and 4 equates to French VOC A and
M1 (The Finnish Emission Classification of Building Material).The gamma surface is to be used for the speech-reflecting zone. 

 

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Colin Campbell

Central Concept Developer - Education

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Colin Campbell

Central Concept Developer - Education

Send an email to Colin>>