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PromptBuilder.AppendAudio Method (Uri, String)

Appends the specified audio file and alternate text to the PromptBuilder.

Namespace:  System.Speech.Synthesis
Assembly:  System.Speech (in System.Speech.dll)

public void AppendAudio(
	Uri audioFile,
	string alternateText


Type: System.Uri

URI for the audio file.

Type: System.String

A string containing alternate text representing the audio.

The speech synthesis engine will speak the alternate text if the audio file cannot be played.

The following examples adds an audio file to a PromptBuilder instance and specifies text to speak if the audio file cannot be played.

using System.Speech.PromptBuilder;

public void SimpleConcatenation()

    // Concatenate a prompt fragment from a .wav file.
    PromptBuilder builder = new PromptBuilder ();
    builder.AppendAudio(new Uri ("C:\\OnHold.wav"), "Your call will be answered in the order it was received");

The following markup shows the equivalent SSML markup.

<speak xmlns="http://www.w3.org/2001/10/synthesis"
       xmlns:ms="http://www.microsoft.com/speech/synthesis" xml:lang="en">

  <audio src="C:\OnHold.wav"> Your call will be answered in the order it was received. </audio>


.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4
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