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Microsoft Speech SDK

Interface: ISpeechRecoContext

Voice Property

The Voice property specifies the SpVoice object associated with the recognition context.

Syntax

Parts

SpeechRecoContext

The owning object.

SpVoice

Set: An SpVoice object that sets the Voice property.
Get: An SpVoice object that gets the Voice property.

Remarks

ISpeechRecoContext.Voice allows the voice to be changed temporarily and for limited contexts. Change the voice using Speech properties in Control Panel.

Example

The first code snippet demonstrates speaking a successful recognition. The code represented is from the recognition event. Because SAPI makes extensive use of defaults, each recognition context will use the default system voice, which is specified using Speech properties in Control Panel.

Public WithEvents RC As SpSharedRecoContext

'Speech processing code goes here

Private Sub RC_Recognition(ByVal StreamNumber As Long, ByVal StreamPosition As Variant, ByVal RecognitionType As SpeechLib.SpeechRecognitionType, ByVal Result As SpeechLib.ISpeechRecoResult)
    Label1.Caption = Result.PhraseInfo.GetText
    RC.Voice.Speak Label1.Caption
End Sub

The next code sample changes the current voice to "Microsoft Sam" if it is available. The sample then speaks the new name. The sample assumes a valid RC at the time of the voice change.

Public WithEvents RC As SpSharedRecoContext

Set RC.Voice.Voice = RC.Voice.GetVoices("name=Microsoft Sam").Item(0)
RC.Voice.Speak "I have changed to " & RC.Voice.Voice.GetDescription