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>
/// Default Constructor
/// </summary>
private SpeechStatementActivity()
{
m_speechSynthesisConnector = new SpeechSynthesisConnector();
m_speechSynthesizer = new SpeechSynthesizer();
m_audioformat = new SpeechAudioFormatInfo(16000, AudioBitsPerSample.Sixteen, Microsoft.Speech.AudioFormat.AudioChannel.Mono);
}
public static Task <int> ReadAsync(this SpeechSynthesisConnector connector,
byte[] buffer, int offset, int count)
{
return(Task <int> .Factory.FromAsync(connector.BeginRead,
connector.EndRead, buffer, offset, count, null));
}
public static Task WriteAsync(this SpeechSynthesisConnector connector,
byte[] buffer, int offset, int count)
{
return(Task.Factory.FromAsync(connector.BeginWrite,
connector.EndWrite, buffer, offset, count, null));
}
