Sound

 
Berechnung

Addition of sound pressure levels

Formula for calculating the total sound level


Frequency evaluation and sound pressure level

Frequency f [Hz]

31.5

63

125

250

500

1,000

2,000

4,000

8,000

16,000

dB(A)

–39.4

–26.2

–16.1

–8.6

–3.2

0

1.2

1

–1.1

–6.6

dB(C)

–3

–0.8

–0.2

0

0

0

–0.2

–0.8

–3

–8.5

dB

120.5

dB(A)

69.8

86.5

102.1

103.6

97.4

97.3

84.3

68.7

62.6

53.4

107.1

dB(C)

106.2

111.9

118

112.2

100.6

97.3

82.9

66.9

60.7

51.5

120.0