Audio Engineering

Acoustic Environment 83

10 ^6

10 ^5

10 ^4

10 ^3

10 ^2

10 ^1

100

101

102

Absorpt

ion coeff

ici

ent (dB/m)

101 102 103 104 105 106

Frequency (Hz)

0% Classical

100%

10%

Figure 3.1 : Predicted atmospheric absorption in dB/100 m for a pressure of 1 atm,
temperature of 20°C, and various values of relative humidity.