Larson Davis SoundAdvisor 831C Reference Manual page 179

Exceedance Metrics
Overload Count and Duration Metrics
Community Noise
SoundAdvisor Model 831C
Table A.13 (Continued)
3 L
4 L
5 L
6 L
Exceedance levels (L1, L2, P1, P2 and P3) selectable in dB from 0.0 to 200.0, counts
each time the level rises above the threshold and measure the duration while
above the level minus 2 dB.
Table A.14
Label
SPL 1 L
ωƬ > L1
SPL 2 L
ωƬ > L2
Peak 1 L
ωƬ > P1
Peak 2 L
ωƬ > P2
Peak 3 L
ωƬ > P3
• Occurrences, count from 0 to 99999: nnnnn
• Overload Percentage: nnn.nn %
• Duration Overloaded: h:m:s.s
• Elapsed Run-Time: h:m:s.s
• Elapsed Pause-Time: h:m:s.s
• Day Night Level, midnight to midnight: LDN
• Daytime portion of Day Night Level: Lday (T
• Nighttime portion of Day Night Level: LNight (T
• Day Evening Night Level, midnight to midnight: LDEN
• Daytime portion of Day Night Level: LDay (T
• Evening-time portion of Day Night Level: LEve (T
• Nighttime portion of Day Night Level: LNight (T
dB
ωƬn3
dB
ωƬn4
dB
ωƬn5
dB
ωƬn6
Count Duration
0 to 99999 h:m:s.s
0 to 99999 h:m:s.s
0 to 99999 h:m:s.s
0 to 99999 h:m:s.s
0 to 99999 h:m:s.s
- T )
day night
- T
night day)
- T )
day eve
- T )
eve night
- T )
night day
A-15