Define synthesis voice status.
| Name | Description |
|---|---|
| SPXSynthesisVoiceStatus_Unknown | Status unknown. |
| SPXSynthesisVoiceStatus_GeneralAvailability | General availability. |
| SPXSynthesisVoiceStatus_Preview | Preview. |
| SPXSynthesisVoiceStatus_Deprecated | Deprecated, do not use this voice. |