The World Health Organization recommends classroom sound levels of no more than 35 decibels. The average volume of a classroom, however, rings in at more than twice that level. At 77 decibels, the ...

In the classroom, decibel levels can gradually increase without us realizing it, until they begin to affect the atmosphere: more difficult communication, nervous irritation, reduced concentration, etc ...

Schools can be noisier than many think, but for those who struggle to hear, technology can help teachers communicate better and live healthier lives. Teachers are communicators. But they can’t ...