SpeechVisemeFeature (SAPI 5.4)

Microsoft Speech API 5.4

SpeechVisemeFeature Enum

The SpeechVisemeFeature enumeration lists the features of phonemes and visemes.


  Enum SpeechVisemeFeature
    SVF_None = 0
    SVF_Stressed = 1
    SVF_Emphasis = 2
End Enum


  • SVF_None
    Indicates that a viseme or phoneme has no stress or emphasis.
  • SVF_Stressed
    Indicates that a viseme or phoneme is stressed relative to the other phonemes within a word.
  • SVF_Emphasis
    Indicates that the word containing the viseme or phoneme is emphasized relative to the other words within a sentence.