CESVA DC112 - Dose

36
Sound exposure
E Sound exposure, time integral of the instantaneous squared sound
pressure with A frecuency weighting over a specified measurement time,
expressed in Pa
2
·h.
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
⋅=
∫
dttpE
t
A
)(
0
2
p
A
t: Instantaneous sound pressure with A frequency weighting.
7.1.4 Dose
DOSE Relationship between the energy of the measurement interval and the
maximum energy allowed, with a criterion level L
c
for 8 hours. Expressed as
a percentage (%).
(
)
10010
10
8,
⋅=
−
chEX
LL
DOSE
L
EX,8h
: Daily noise exposure level.
L
C
: Criterion level.