Acoustics2

In a classroom acoustic is very important because acoustical elements like noise, echoes, reverberation, and room modes typically interfere with the ability of listeners to understand speech.
 * Acoustic comfort in classroom for 40 students **

This is why in order to reflect sound energy to be maximally beneficial, the room should be designed to have an appropriate combination of reflective, absorptive, and diffusive surfaces.



Classroom´s characteristics permit to classify it as a room with absorbing ceilings, so reverberation will not only depend of absorption. This way, in order to create a comfort classroom, instead of chooses hard surface materials for floors and walls (that increase sound reflection), it is better to choose materials, as wood or foams, which absorb sounds. As well it is important to be especially careful with the ceilings position.

In a classroom, speech is conveyed from the teacher to students through a combination of direct and reflected sound. So everything is not only about absorbing sound. There must be reflective elements that reflects and increase teacher's voice, so everyone can hear him.



Appropriate combination of direct and reflected sounds, improve classroom communication and allow all the students to hear and pay attention to the teacher and learn more.



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