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The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more
Reverberation Time
The reverberation time of a room is defined as the time it takes for sound to decay by 60 dB after an abrupt termination...more
Intended to assist the construction industry to comply with the performance standards of Regulations.
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