Imagine Selenio X50, Installation And Operation Manual, Page: 98 / 136

Chapter 4
Advanced Audio Processing
84
Presets
The Loudness Control feature uses four different presets (Ultra-Light, Light, Medium , and
Aggressive). Table 4-8 lists the values that each of these presets represents.
Table 4-8 DTS Neural Loudness Control Preset Settings
Parameter Name Ultra Light Light Medium Aggressive
Loudness Measurement Type LEQ 1770 LEQ 1770 LEQ 1770 LEQ 1770
Target Loudness Level (dBeq) -- -- -- --
LC Ratio 0.80 0.95 0.98 1.0
Upper Loudness Threshold (dB) 0.0 0.0 0.0 0.0
Lower Loudness Threshold (dB) 0.0 0.0 0.0 0.0
Freeze Window (dB) 5.0 4.0 2.0 1.0
Quiet Threshold (dBEq) -55.0 -55.0 -55.0 -55.0
Attack 80.0 50.0 50.0 50.0
Release 300.0 220.0 150.0 100.0
Compressor Threshold (dB) 5.0 5.0 5.0 5.0
Compressor Ratio 0.5 0.5 0.5 0.5
Loudness Shaping 0.0 0.0 0.0 0.0
Final Limiter Ceiling (dBFS) 0.0 0.0 0.0 0.0
Loudness Control Function 0 0 0 0
Run Final Limiters Enable Enable Enable Enable
Meter Algorithms Enable Enable Enable Enable
Table 4-9 Recommended Presets, by Country
Country Recommendation
Target
Loudness Allowable
Variance
Suggested Preset
Australia and
New Zealand) OP-59 -24 Unknown at this time Dependent on
Allowable Variance
Canada ATSC A-85 -24 +/- 2 Ultra Light, Light
Europe EBU.R.128 -23 +/- 1 Medium, Aggressive
Japan ARIB TR B-32 -24 +/- 1 Medium, Aggressive
US ATSC A-85 -24 +/- 2 Ultra Light, Light
Belgium (French) EBU.R.128 -23 +/- 1 Medium, Aggressive