public void Run()
{
// Create AudioVideoFlow
AudioVideoFlowHelper audioVideoFlowHelper = new AudioVideoFlowHelper();
_audioVideoFlow = audioVideoFlowHelper.CreateAudioVideoFlow(
null,
audioVideoFlow_StateChanged);
// Create a speech synthesis connector and attach it to an AudioVideoFlow
SpeechSynthesisConnector speechSynthesisConnector = new SpeechSynthesisConnector();
speechSynthesisConnector.AttachFlow(_audioVideoFlow);
// Create a speech synthesis and set connector to it
SpeechSynthesizer speechSynthesis = new SpeechSynthesizer();
SpeechAudioFormatInfo audioformat = new SpeechAudioFormatInfo(16000, AudioBitsPerSample.Sixteen, Microsoft.Speech.AudioFormat.AudioChannel.Mono);
speechSynthesis.SetOutputToAudioStream(speechSynthesisConnector, audioformat);
//Load readme file as the source
Console.WriteLine();
Console.Write("Please enter the source file => ");
string filename = Console.ReadLine();
string msg = "";
try
{
StreamReader objReader = new StreamReader(filename);
msg = objReader.ReadToEnd();
}
catch (FileNotFoundException)
{
Console.WriteLine("\r\nFile doesn't exist.");
ShutdownPlatform();
}
//Start connector
speechSynthesisConnector.Start();
Console.WriteLine("\r\nStreaming source file for 15 seconds.");
//Start streaming from speech synthesis.
speechSynthesis.SpeakAsync(new Prompt(msg));
//Allow the connector to stream 15 seconds by waiting for 15 seconds
Thread.Sleep(15000);
//Stop the connector
speechSynthesisConnector.Stop();
Console.WriteLine("\r\nSpeech synthesis connector stopped.");
//speech synthesis connector must be detached from the flow, otherwise if the connector is rooted, it will keep the flow in memory.
speechSynthesisConnector.DetachFlow();
// Shutdown the platform
ShutdownPlatform();
_waitForShutdownEventCompleted.WaitOne();
}
public void SpeakMessage(AudioVideoFlow flow, string message)
{
try
{
SpeechSynthesizer synth = new SpeechSynthesizer();
SpeechAudioFormatInfo formatInfo = new SpeechAudioFormatInfo(16000, AudioBitsPerSample.Sixteen, Microsoft.Speech.AudioFormat.AudioChannel.Mono);
SpeechSynthesisConnector connector = new SpeechSynthesisConnector();
synth.SetOutputToAudioStream(connector.Stream, formatInfo);
connector.AttachFlow(flow);
connector.Start();
synth.SpeakCompleted += new EventHandler<SpeakCompletedEventArgs>(
(sender, args) =>
{
connector.Stop();
synth.Dispose();
});
synth.SpeakAsync(message);
}
catch (Exception ex)
{
Console.WriteLine("Failed to play the message. {0}", ex);
}
}
/// <summary>
///Starts speech connector and starts speaking the prompt message asynchronously.
/// </summary>
private void StartSpeakAsync()
{
//start Speech synthesizer
if (AudioVideoCall.Flow.SpeechSynthesisConnector != null)
{
AudioVideoCall.Flow.SpeechSynthesisConnector.DetachFlow();
}
m_speechSynthesisConnector.AttachFlow(AudioVideoCall.Flow);
m_speechSynthesizer.SetOutputToAudioStream(m_speechSynthesisConnector, m_audioformat);
m_speechSynthesizer.SpeakCompleted += new EventHandler <SpeakCompletedEventArgs>(SpeechSynthesizer_SpeakCompleted);
m_speechSynthesisConnector.Start();
//If prompt is not set then speak Ssml pause.
if (m_pbMainPrompt == null)
{
m_pbMainPrompt = new PromptBuilder();
m_pbMainPrompt.AppendBreak();
}
m_speechSynthesizer.SpeakAsync(m_pbMainPrompt);
}
public void StartWithWelcome(AudioVideoFlow flow, LyncServer server)
{
_flow = flow;
_server = server;
//attach speech synthasis to audio flow
_speechSynthesisConnector.AttachFlow(_flow);
_speechSynthesizer = new SpeechSynthesizer();
_speechSynthesizer.SetOutputToAudioStream(_speechSynthesisConnector, audioformat);
_speechSynthesizer.SelectVoice("Microsoft Hazel Desktop"); //slightly more english
var toneController = new ToneController(); //this is for the DTMF tones
toneController.AttachFlow(_flow);
_speechSynthesisConnector.Start();
_speechSynthesizer.Speak("Welcome to the UC Day IVR!"); //TEXT TO SPEEECH!
SpeakMenuOptions();
toneController.ToneReceived += toneController_ToneReceived;
}