private static void SynthToCam(string text, CameraWindow cw)
{
var synthFormat = new System.Speech.AudioFormat.SpeechAudioFormatInfo(System.Speech.AudioFormat.EncodingFormat.Pcm, 11025, 16, 1, 22100, 2, null);
using (var synthesizer = new SpeechSynthesizer())
{
using (var waveStream = new MemoryStream())
{
//write some silence to the stream to allow camera to initialise properly
var silence = new byte[1 * 22050];
waveStream.Write(silence, 0, silence.Length);
var pbuilder = new PromptBuilder();
var pStyle = new PromptStyle
{
Emphasis = PromptEmphasis.Strong,
Rate = PromptRate.Slow,
Volume = PromptVolume.ExtraLoud
};
pbuilder.StartStyle(pStyle);
pbuilder.StartParagraph();
pbuilder.StartVoice(VoiceGender.Male, VoiceAge.Adult, 2);
pbuilder.StartSentence();
pbuilder.AppendText(text);
pbuilder.EndSentence();
pbuilder.EndVoice();
pbuilder.EndParagraph();
pbuilder.EndStyle();
synthesizer.SetOutputToAudioStream(waveStream, synthFormat);
synthesizer.Speak(pbuilder);
synthesizer.SetOutputToNull();
//write some silence to the stream to allow camera to end properly
waveStream.Write(silence, 0, silence.Length);
waveStream.Seek(0, SeekOrigin.Begin);
var ds = new DirectStream(waveStream) { RecordingFormat = new WaveFormat(11025, 16, 1) };
var talkTarget = TalkHelper.GetTalkTarget(cw.Camobject, ds);
ds.Start();
talkTarget.Start();
while (ds.IsRunning)
{
Thread.Sleep(100);
}
ds.Stop();
talkTarget.Stop();
talkTarget = null;
ds = null;
}
}
}
private static void SynthToCam(string fileName, CameraWindow cw)
{
using (var waveStream = new MemoryStream())
{
//write some silence to the stream to allow camera to initialise properly
var silence = new byte[1 * 22050];
waveStream.Write(silence, 0, silence.Count());
//read in and convert the wave stream into our format
var reader = new WaveFileReader(fileName);
var newFormat = new WaveFormat(11025, 16, 1);
byte[] buff = new byte[22050];
using (var conversionStream = new WaveFormatConversionStream(newFormat, reader))
{
do
{
int i = conversionStream.Read(buff, 0, 22050);
waveStream.Write(buff, 0, i);
if (i < 22050)
break;
} while (true);
}
//write some silence to the stream to allow camera to end properly
waveStream.Write(silence, 0, silence.Count());
waveStream.Seek(0, SeekOrigin.Begin);
var ds = new DirectStream(waveStream) { RecordingFormat = new WaveFormat(11025, 16, 1) };
var talkTarget = TalkHelper.GetTalkTarget(cw.Camobject, ds);
ds.Start();
talkTarget.Start();
while (ds.IsRunning)
{
Thread.Sleep(100);
}
ds.Stop();
talkTarget.Stop();
talkTarget = null;
ds = null;
}
}
