public enum SpeechModelVariantVariant of the specified [Speech model][google.cloud.dialogflow.v2.InputAudioConfig.model] to use.
See the Cloud Speech documentation for which models have different variants. For example, the "phone_call" model has both a standard and an enhanced variant. When you use an enhanced model, you will generally receive higher quality results than for a standard model.
Namespace
Google.Cloud.Dialogflow.V2Assembly
Google.Cloud.Dialogflow.V2.dll
Fields | 
      |
|---|---|
| Name | Description | 
Unspecified | 
        No model variant specified. In this case Dialogflow defaults to USE_BEST_AVAILABLE.  | 
      
UseBestAvailable | 
        Use the best available variant of the [Speech model][InputAudioConfig.model] that the caller is eligible for. Please see the Dialogflow docs for how to make your project eligible for enhanced models.  | 
      
UseEnhanced | 
        Use an enhanced model variant: 
 The Cloud Speech documentation describes which models have enhanced variants. 
  | 
      
UseStandard | 
        Use standard model variant even if an enhanced model is available. See the Cloud Speech documentation for details about enhanced models.  |