| Microsoft DirectX 9.0 |
The following table lists all the Enumeration types used by the Microsoft Unified Tuning Model interface methods.
| Enumeration Type | Description |
| ATSCComponentTypeFlags | Specifies an AC3 audio stream. |
| BinaryConvolutionCodeRate | Specifies the binary convolution code rate. |
| ComponentCategory | Specifies the component (substream) category. |
| ComponentStatus | Specifies the status of a component (substream). |
| DVBSystemType | Specifies the type of DVB system supported in a Tuning Space. |
| FECMethod | Specifies the type of forward error correction being used at the transmission source. |
| GuardInterval | Specifies the guard interval. |
| HierarchyAlpha | Specifies the hierarchy alpha. |
| KS_CC_SUBSTREAM | Specifies line 21 services. |
| ModulationType | Specifies the modulation type. |
| MPEG2StreamType | Specifies the MPEG2 stream type. |
| Polarisation | Specifies the polarisation type. |
| SpectralInversion | Specifies the spectral inversion. |
| TransmissionMode | Specifies the transmission mode. |