Synthesizer. Viseme Reached Event
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Raised when a viseme is reached.
public: event EventHandler<System::Speech::Synthesis::VisemeReachedEventArgs ^> ^ VisemeReached;
public event EventHandler<System.Speech.Synthesis.VisemeReachedEventArgs> VisemeReached;
member this.VisemeReached : EventHandler<System.Speech.Synthesis.VisemeReachedEventArgs>
Public Custom Event VisemeReached As EventHandler(Of VisemeReachedEventArgs)
A viseme is the basic position of the mouth and face when pronouncing a phoneme. Visemes are visual representations of phonemes.
System.Speech supports 21 visemes for US English, each of which corresponds to one or more phonemes. VisemeReached events are raised when a new phoneme reached has a different corresponding viseme than the previous phoneme reached. Since some visemes represent more than one phoneme, a VisemeReached event is not generated if the next phoneme reached corresponds to the same viseme as the previous phoneme. For example, for the spoken words "this zone", a PhonemeReached event is raised for the "s" in "this" and the "z" in "zone". However, a VisemeReached event is not raised for the "z" in "zone" because it corresponds to the same viseme as the "s" in "this".
The following is a list of the 21 SAPI phonemes and phoneme groups that correspond to a viseme in US English.
|1||ae, ax, ah|
|4||ey, eh, uh|
|6||y, iy, ih, ix|
|16||sh, ch, jh, zh|
|19||d, t, n|
|20||k, g, ng|
|21||p, b, m|
For information about data associated with the
VisemeReached event, see VisemeReachedEventArgs.