protected void InitSpeechEngine(bool def)
{
try {
WSRConfig cfg = WSRConfig.GetInstance();
WSRSpeechManager manager = WSRSpeechManager.GetInstance();
// File
manager.InitEngines();
// Default
if (def)
{
manager.AddDefaultEngine("Default", cfg.language, cfg.confidence);
}
// RTP
if (rtpClient == null)
{
return;
}
var format = new SpeechAudioFormatInfo(16000, AudioBitsPerSample.Sixteen, AudioChannel.Stereo);
manager.AddEngine("RTP", cfg.language, cfg.confidence, rtpClient.AudioStream, format);
}
catch (Exception ex) {
WSRConfig.GetInstance().logError("ENGINE", "InitEngines: " + ex.Message);
}
}
// ==========================================
// HANDLE SPEECH RECOGNITION
// ==========================================
public override void InitSpeechEngine()
{
base.InitSpeechEngine(false);
try {
WSRConfig cfg = WSRConfig.GetInstance();
WSRSpeechManager manager = WSRSpeechManager.GetInstance();
SpeechAudioFormatInfo format = new SpeechAudioFormatInfo(EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null);
for (int i = 0; i < Sensors.Count; i++)
{
KinectAudioSource source = Sensors[i].Sensor.AudioSource;
source.EchoCancellationMode = EchoCancellationMode.CancellationAndSuppression;
source.NoiseSuppression = true;
source.BeamAngleMode = BeamAngleMode.Adaptive; //set the beam to adapt to the surrounding
source.AutomaticGainControlEnabled = false;
if (WSRConfig.GetInstance().Echo >= 0)
{
source.EchoCancellationSpeakerIndex = WSRConfig.GetInstance().Echo;
}
String prefix = "KINECT_" + i;
cfg.logInfo(prefix, "AutomaticGainControlEnabled : " + source.AutomaticGainControlEnabled);
cfg.logInfo(prefix, "BeamAngle : " + source.BeamAngle);
cfg.logInfo(prefix, "EchoCancellationMode : " + source.EchoCancellationMode);
cfg.logInfo(prefix, "EchoCancellationSpeakerIndex : " + source.EchoCancellationSpeakerIndex);
cfg.logInfo(prefix, "NoiseSuppression : " + source.NoiseSuppression);
cfg.logInfo(prefix, "SoundSourceAngle : " + source.SoundSourceAngle);
cfg.logInfo(prefix, "SoundSourceAngleConfidence : " + source.SoundSourceAngleConfidence);
var stream = source.Start();
// streamer = new SpeechStreamer(stream); // FIXME
manager.AddEngine(prefix, cfg.language, cfg.confidence, stream, format);
}
}
catch (Exception ex) {
WSRConfig.GetInstance().logError("ENGINE", "Init Kinect Engines: " + ex.Message);
}
}