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SpVoice SpeakStream method (SAPI 5.3)

Speech API 5.3
Microsoft Speech API 5.3

Object: SpVoice

SpeakStream Method

The Speakstream method initiates speaking of a sound file by the voice.


SpVoice.SpeakStream(
     Stream As ISpeechBaseStream,
     [Flags As SpeechVoiceSpeakFlags = SVSFDefault]
) As Long

Parameters

Stream
Specifies an ISpeechBaseStream object containing the stream.
Flags
[Optional] Specifies the Flags. Default value is SVSFDefault.

Return Value

A Long variable containing the stream number. When a voice enqueues more than one stream by speaking asynchronously, the stream number is necessary to associate events with the appropriate stream.


Example

The following code snippet demonstrates the use of the SpeakStream method. To run this code, create a form with the following control:

  • A command button called Command1

Paste this code into the Declarations section of the form.

The Form_Load procedure creates a male and a female voice. The Command1_Click procedure causes the female voice to speak text into a file, and the male voice to play that file using the SpeakStream method.


Option Explicit

Private M As SpeechLib.SpVoice      'M is a male voice
Private F As SpeechLib.SpVoice      'F is a female voice
Private S As SpeechLib.SpFileStream

Private Sub Command1_Click()

    'Build a local file path and open it as a stream
    Set S = New SpFileStream
    Call S.Open("C:\SpeakStream.wav", SSFMCreateForWrite, False)

    'Female voice speaks into the file stream and creates a WAV file
    Set F.AudioOutputStream = S
    F.Speak "cee : \ speak stream dot wave", SVSFNLPSpeakPunc
    S.Close

    'Male voice speaks female voice's stream
    Call S.Open("C:\SpeakStream.wav", , False)
    M.Speak "i will now demonstrate the speak stream method."
    M.SpeakStream S
    M.Speak "that sounded like " & F.Voice.GetDescription & ", but it was me."

End Sub

Private Sub Form_Load()

    'Create voices
    Set F = New SpVoice
    Set F.Voice = F.GetVoices("gender=female").Item(0)
    Set M = New SpVoice
    Set M.Voice = M.GetVoices("gender=male").Item(0)

End Sub
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