
Chapter 4
Advanced Audio Processing
84
Presets
The Loudness Control feature uses four different presets
(Ultra-Light, Light, Medium
, and
Aggressive).
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
Содержание Selenio X50
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