// good for a single sentence
public string CreateSSMLWithXDocument()
{
XNamespace xmlns = XNamespace.Get("http://www.w3.org/2001/10/synthesis");
XDocument ssmlDocument =
new XDocument(
new XElement(xmlns + "speak",
new XAttribute("version", "1.0"),
new XAttribute(XNamespace.Xmlns + "xsi", "http://www.w3.org/2001/XMLSchema-instance"),
new XAttribute(XNamespace.Xml + "lang", "en-US"),
new XElement("voice",
new XAttribute("name", _speechSynthesizer.GetVoice().DisplayName),
new XElement("p",
new XElement("s", PhraseTextBox.Text)
)
)
)
);
return(ssmlDocument.ToString(SaveOptions.DisableFormatting));
}
private async void SaySsml_Click(object sender, RoutedEventArgs e)
{
try // error handling
{
// Disable the ListBoxes to prevent exceptions
VoicesListBox.IsEnabled = false;
LanguagesListBox.IsEnabled = false;
// Stop playing any Synthesized speech
_speechSynthesizer.CancelAll();
// Check that string is not null or empty
if (!string.IsNullOrEmpty(PhraseTextBox.Text))
{
// Create SSML string
var SsmlString = "<speak version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xml:lang=\"" + _speechSynthesizer.GetVoice().Language + "\">";
SsmlString += "<s>" + PhraseTextBox.Text + "</s></speak>";
// Call SpeakTextAsync and await
await _speechSynthesizer.SpeakSsmlAsync(SsmlString);
MessageBox.Show("SSML Text read: '" + SsmlString + "'");
}
else // if string is null or empty, display error message
{
MessageBox.Show("Phrase text is required.",
"Error",
MessageBoxButton.OK);
}
// Re-enable the ListBoxes
VoicesListBox.IsEnabled = true;
LanguagesListBox.IsEnabled = true;
}
catch (Exception ex) // Catch exception and call function to handle it.
{
HandleSpeechSynthesisError(ex);
}
}