The following standard units are used in the CRL:-
Quantity
|
Unit
|
Abbreviation
|
| Amplitude
|
micro-Pascals
|
uPa
|
| Frequency:
|
hertz
|
Hz.
|
| Intensity:
|
decibels
SPL
|
dB
SPL[7
|
| ].
| ||
| Time:
|
seconds
|
s.[8
|
[7]Sound pressure level reference standard.
[8]The time units printed to the screen by the test programs have been converted from the internal, seconds units to milli-seconds (ms) to make the numbers more readable.