Grass Valley Kaleido-Solo Installation v.2.04 User Manual
Page 37
GUIDE TO INSTALLATION AND OPERATION
Kaleido-Solo | 33
1st Loudness/2nd Loudness - A-85 Mode 
 
Checked
The loudness chart will follow the ATSC A/85 recommendation for the loudness measurement.
Unchecked
A parameter that is not compliant with ATSC A/85 has been changed (e.g.: Target parameter is not 
set to -24). 
Note that if there are stars in front of the menu name (e.g.: ** A-85 Mode) it means that the measurement 
respects the EBU mode except the parameter or parameters that were manually changed that could 
affect the results.
 
1st Loudness/2nd Loudness - Target 
 
This parameter will change the target value in loudness chart. Altering this value will unchecked the EBU or A-85 
Mode. 
 
1st Loudness/2nd Loudness - Short-Term Time Window 
 
Changing this parameter affects the short term calculation. The choices are: 
 
1 sec 
.. 
15 sec 
 
Loudness measurement summary 
 
Mode
Momentary
Short Term
Integrated
Gate
Target
Range
EBU
400ms sliding
window
3 sec sliding
window
infinite sliding
window
affecting
integrated
measure
-23 dBFS
yes
A-85
400 ms sliding
window
10 sec sliding
window
infinite sliding
window
none
-24 dBFS
no
 
Refer to EBU R128 or ATSC A/85 specification for more specific details.