Appends the audio file at the specified URI to the PromptBuilder.
Namespace:
Microsoft.Speech.Synthesis
Assembly:
Microsoft.Speech (in Microsoft.Speech.dll)
Syntax
| Visual Basic (Declaration) |
|---|
Public Sub AppendAudio ( _ audioFile As Uri _ ) |
| Visual Basic (Usage) |
|---|
Dim instance As PromptBuilder Dim audioFile As Uri instance.AppendAudio(audioFile) |
| C# |
|---|
public void AppendAudio( Uri audioFile ) |
Parameters
- audioFile
- Type: System..::..Uri
URI for the audio file.
Remarks
The audio file can be in WMA format provided that both of the following conditions are met.
The WMA codec is available.
The target operating system has the appropriate Windows features installed or enabled.
A computer running Microsoft Windows Server 2003 x64 Editions must have Windows Media Format 9.5 Software Development Kit (SDK) x64 Edition installed.
A computer running Microsoft Windows Server 2008 or Windows Server 2008 R2 must have the Desktop Experience feature installed, as described in the following procedure.
Windows Vista and Windows 7 already have the Desktop Experience feature enabled automatically.
To install the Desktop Experience feature (Windows Server 2008, Windows Server 2008 R2)
On the Start menu, click Server Management.
In the Server Management dialog box, in the Features Summary pane, click Add Features.
In the Select Features dialog box, select the Desktop Experience check box, and then click Install.
Examples
The following example initializes a new instance to the PromptBuilder class and then adds text, followed by an audio file, to it.
| C# | Copy Code |
|---|---|
using Microsoft.Speech.PromptBuilder;
public void SimpleConcatenation()
{
// Concatenate a prompt fragment from a .wav file
PromptBuilder builder = new PromptBuilder ();
builder.AppendText("How are you today?");
builder.AppendAudio(new Uri ("http://www.speech.microsoft.com/ding.wav"));
} | |
The following markup shows the equivalent SSML.
| Copy Code | |
|---|---|
<speak xmlns="http://www.w3.org/2001/10/synthesis"
xmlns:ms="http://www.microsoft.com/speech/synthesis" xml:lang="en">
How are you today?
<audio src="http://www.speech.microsoft.com/ding.wav" />
</speak> | |
See Also
