Indicates the type of spectral inversion on Quadrature Phase Shift Keying in a Broadcast Driver Architecture capture device.
| Constant | Value | Description | 
| BDA_SPECTRAL_INVERSION_NOT_SET | -1 | Spectral Inversion is not set. | 
| BDA_SPECTRAL_INVERSION_NOT_DEFINED | 0 | Spectral Inversion is not defined. | 
| BDA_SPECTRAL_INVERSION_AUTOMATIC | 1 | Spectral Inversion is automatic. | 
| BDA_SPECTRAL_INVERSION_NORMAL | 2 | Spectral Inversion is normal. | 
| BDA_SPECTRAL_INVERSION_INVERTED | 3 | Spectral Inversion is inverted. | 
| BDA_SPECTRAL_INVERSION_MAX | 4 | Spectral Inversion is at maximum. |