/// <summary>Speaks the specified text to the specified file.</summary>
/// <param name="text">The text to be spoken.</param>
/// <param name="audioPath">The file to which the spoken text should be written.</param>
/// <remarks>Uses the Microsoft Speech libraries.</remarks>
private void SpeakToFile(string text, FileInfo audioPath)
{
SpFileStream spFileStream = new SpFileStream();
try
{
// Create the speech engine and set it to a random installed voice
SpVoice speech = new SpVoice();
ISpeechObjectTokens voices = speech.GetVoices(string.Empty, string.Empty);
speech.Voice = voices.Item(NextRandom(voices.Count));
// Set the format type to be heavily compressed. This both decreases download
// size and increases distortion.
SpAudioFormatClass format = new SpAudioFormatClass();
format.Type = SpeechAudioFormatType.SAFTGSM610_11kHzMono;
spFileStream.Format = format;
// Open the output stream for the file, speak to it, and wait until it's complete
spFileStream.Open(audioPath.FullName, SpeechStreamFileMode.SSFMCreateForWrite, false);
speech.AudioOutputStream = spFileStream;
speech.Speak(text, SpeechVoiceSpeakFlags.SVSFlagsAsync);
speech.Rate = -5;
speech.WaitUntilDone(System.Threading.Timeout.Infinite);
}
finally
{
// Close the output file
spFileStream.Close();
}
}
///<summary>SpVoiceSpeak</summary>
public static void SpVoiceSpeak
(
ref UtilitySpeechArgument utilitySpeechArgument,
ref string exceptionMessage
)
{
object voice = null;
object[] voiceArgv = null;
SpeechVoiceSpeakFlags speechVoiceSpeakFlags = SpeechVoiceSpeakFlagsDefault;
SpAudioFormatClass spAudioFormatClass = null;
SpFileStream spFileStream = null;
SpVoice spVoice = null;
Type typeSAPISpVoice = null;
try
{
spVoice = new SpVoice();
typeSAPISpVoice = Type.GetTypeFromProgID("SAPI.SpVoice");
voice = Activator.CreateInstance( typeSAPISpVoice );
voiceArgv = new object[2];
voiceArgv[1] = 0;
speechVoiceSpeakFlags = SpeechVoiceSpeakFlagsEnum( false, utilitySpeechArgument.xml );
if ( string.IsNullOrEmpty( utilitySpeechArgument.pathAudio ) == false )
{
spAudioFormatClass = new SpAudioFormatClass();
spAudioFormatClass.Type = SpeechAudioFormatType.SAFTGSM610_11kHzMono; //Heavily compressed
spFileStream = new SpFileStream();
spFileStream.Format = spAudioFormatClass;
spFileStream.Open( utilitySpeechArgument.pathAudio, SpeechStreamFileMode.SSFMCreateForWrite, false );
spVoice.AudioOutputStream = spFileStream;
spVoice.Rate = -5; //Ranges from -10 to 10
}
foreach( string text in utilitySpeechArgument.text )
{
/*
spVoice.Speak( text, speechVoiceSpeakFlags );
*/
voiceArgv[0] = text;
typeSAPISpVoice.InvokeMember("Speak", BindingFlags.InvokeMethod, null, voice, voiceArgv);
}
speechVoiceSpeakFlags = SpeechVoiceSpeakFlagsEnum( true, utilitySpeechArgument.xml );
foreach( string pathSource in utilitySpeechArgument.pathSource )
{
if ( string.IsNullOrEmpty( pathSource ) ) { continue; }
if ( File.Exists( pathSource ) == false ) { continue; }
spVoice.Speak( pathSource, speechVoiceSpeakFlags );
}//foreach( string pathSource in utilitySpeechArgument.pathSource )
}//try
catch ( Exception exception ) { UtilityException.ExceptionLog( exception, exception.GetType().Name, ref exceptionMessage ); }
if ( spFileStream != null ) { spFileStream.Close(); }
}//public static void SpVoiceSpeak()