Freq (Hz) | R Calc (dB) | R User (dB) |
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The calculation of the acoustic transmission loss is based
mainly on the work of John Davy - Predicting the Sound
Insulation of Walls - 2009
As proposed by Bies in
"Engineering Noise Control Theory and Pratice - 2008",
around the critical frequency, we use the Calculation from
Shard (1973) is used.
Mainly, 3 zones are calculated :