eAVDecDDOperationalMode enumeration
Specifies the compression control mode for a Dolby AC-3 audio stream. This enumeration is used with the AVDecDDOperationalMode property.
Syntax
enum eAVDecDDOperationalMode {
eAVDecDDOperationalMode_NONE = 0,
eAVDecDDOperationalMode_LINE = 1,
eAVDecDDOperationalMode_RF = 2,
eAVDecDDOperationalMode_CUSTOM0 = 3,
eAVDecDDOperationalMode_CUSTOM1 = 4,
eAVDecDDOperationalMode_PORTABLE8 = 5,
eAVDecDDOperationalMode_PORTABLE11 = 6,
eAVDecDDOperationalMode_PORTABLE14 = 7
};
Constants
- eAVDecDDOperationalMode_NONE
-
No dynamic range control or dialogue normalization (dialnorm). This mode should be used only for signal tests.
- eAVDecDDOperationalMode_LINE
-
Line mode. Dialnorm is enabled with a reference level of -31 decibels full scale (dBFS). Dynamic range control is applied, and high-level/low-level scaling is enabled. To set the high-level scaling factor, set the AVDecDDDynamicRangeScaleHigh property. To set the low-level scaling factor, set the AVDecDDDynamicRangeScaleLow property.
- eAVDecDDOperationalMode_RF
-
RF mode. Dialnorm is enabled with a reference level of -20 dBFS. Dynamic range control is applied. High-level/low-level scaling is disabled; instead, the maximum dynamic range reduction is applied.
- eAVDecDDOperationalMode_CUSTOM0
-
Custom mode 0 (analog dialnorm).
- eAVDecDDOperationalMode_CUSTOM1
-
Custom mode 1 (digital dialnorm).
- eAVDecDDOperationalMode_PORTABLE8
-
Dialnorm enabled, dialogue at -8dBFS. Dynamic range and compression used. High-level/low-level scaling is not allowed (always fully compressed).
- eAVDecDDOperationalMode_PORTABLE11
-
Dialnorm enabled, dialogue at -11dBFS. Dynamic range and compression used. High-level/low-level scaling is not allowed (always fully compressed).
- eAVDecDDOperationalMode_PORTABLE14
-
Dialnorm enabled, dialogue at -14dBFS. Dynamic range and compression used. High-level/low-level scaling is not allowed (always fully compressed).
Requirements
|
Minimum supported client |
Windows 2000 Professional [desktop apps | Windows Store apps] |
|---|---|
|
Minimum supported server |
Windows 2000 Server [desktop apps | Windows Store apps] |
|
Header |
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See also