Noise Health Close
 

Table 4: Values obtained of the signal-to-noise ratio (SNR) in the classroom in the experimental group (in dBA) in different positions (front, middle, and bottom), situations with and without the dynamic soundfield system

Table 4: Values obtained of the signal-to-noise ratio (SNR) in the classroom in the experimental group (in dBA) in different positions (front, middle, and bottom), situations with and without the dynamic soundfield system