public void Init() {
cfg.logInfo("ENGINE - " + Name, "Init recognizer");
engine.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(recognizer_SpeechRecognized);
engine.RecognizeCompleted += new EventHandler<RecognizeCompletedEventArgs>(recognizer_RecognizeCompleted);
engine.AudioStateChanged += new EventHandler<AudioStateChangedEventArgs>(recognizer_AudioStateChanged);
engine.SpeechHypothesized += new EventHandler<SpeechHypothesizedEventArgs>(recognizer_SpeechHypothesized);
engine.SpeechDetected += new EventHandler<SpeechDetectedEventArgs>(recognizer_SpeechDetected);
engine.SpeechRecognitionRejected += new EventHandler<SpeechRecognitionRejectedEventArgs>(recognizer_SpeechRecognitionRejected);
engine.UpdateRecognizerSetting("CFGConfidenceRejectionThreshold", (int) (this.Confidence * 100));
engine.MaxAlternates = cfg.MaxAlternates;
engine.InitialSilenceTimeout = cfg.InitialSilenceTimeout;
engine.BabbleTimeout = cfg.BabbleTimeout;
engine.EndSilenceTimeout = cfg.EndSilenceTimeout;
engine.EndSilenceTimeoutAmbiguous = cfg.EndSilenceTimeoutAmbiguous;
if (!cfg.Adaptation) {
engine.UpdateRecognizerSetting("AdaptationOn", 0);
}
cfg.logInfo("ENGINE - " + Name, "AudioLevel: " + engine.AudioLevel);
cfg.logInfo("ENGINE - " + Name, "MaxAlternates: " + engine.MaxAlternates);
cfg.logInfo("ENGINE - " + Name, "BabbleTimeout: " + engine.BabbleTimeout);
cfg.logInfo("ENGINE - " + Name, "InitialSilenceTimeout: " + engine.InitialSilenceTimeout);
cfg.logInfo("ENGINE - " + Name, "EndSilenceTimeout: " + engine.EndSilenceTimeout);
cfg.logInfo("ENGINE - " + Name, "EndSilenceTimeoutAmbiguous: " + engine.EndSilenceTimeoutAmbiguous);
tracker = new PitchTracker();
tracker.SampleRate = 16000.0f;
tracker.PitchDetected += OnPitchDetected;
}
public void Start(DetectionAlgorithm algorithm)
{
if (algorithm == DetectionAlgorithm.AUTOCORRELATION)
{
ptracker = new PitchTracker();
ptracker.PitchDetected += ptracker_PitchDetected;
ptracker.SampleRate = _microphone.SampleRate;
}
else if (algorithm == DetectionAlgorithm.YIN)
{
yin = new Yin(_microphone.SampleRate, _bufferSize/4);
}
_microphone.Start();
}
public void Start(DetectionAlgorithm algorithm)
{
if (algorithm == DetectionAlgorithm.AUTOCORRELATION)
{
ptracker = new PitchTracker();
ptracker.PitchDetected += ptracker_PitchDetected;
ptracker.SampleRate = _microphone.SampleRate;
}
else if (algorithm == DetectionAlgorithm.YIN)
{
yin = new Yin(_microphone.SampleRate, _bufferSize / 4);
}
_microphone.Start();
}
private void OnPitchDetected(PitchTracker sender, PitchTracker.PitchRecord pitchRecord) {
// During the call to PitchTracker.ProcessBuffer, this event will be fired zero or more times,
// depending how many pitch records will fit in the new and previously cached buffer.
//
// This means that there is no size restriction on the buffer that is passed into ProcessBuffer.
// For instance, ProcessBuffer can be called with one large buffer that contains all of the
// audio to be processed, or just a small buffer at a time which is more typical for realtime
// applications. This PitchDetected event will only occur once enough data has been accumulated
// to do another detect operation.
/*
cfg.logInfo("PITCH", "MidiCents: " + pitchRecord.MidiCents
+ " MidiNote: " + pitchRecord.MidiNote
+ " Pitch: " + pitchRecord.Pitch
+ " RecordIndex: " + pitchRecord.RecordIndex);*/
double d = pitchRecord.Pitch;
if (d > 0) { pitch.Add(d); }
}
public override void Start() {
base.Start();
tracker = new PitchTracker();
tracker.SampleRate = 16000.0f;
tracker.PitchDetected += OnPitchDetected;
}
void ptracker_PitchDetected(PitchTracker sender, PitchTracker.PitchRecord pitchRecord)
{
setNumbers(pitchRecord.Pitch);
}
bool Recording = false; //as default, the string of notes are not being recorded
private void startBtn_Click(object sender, EventArgs e) // this button is meant to be where the notes played become listed
{
InitializeSound(); // sets up sourcestream, datain event, buffer and waveout for data to be sent
//the below is all for saving the .wav file as it goes along. come back to later
//try
//{
// waveWriter = new NAudio.Wave.WaveFileWriter(SFD.FileName, sourceStream.WaveFormat);
// //attempts to create a filewriter using the openfiledialogue path and the sourcesream waveformat
//
//}
//catch (NullReferenceException) //both these errors occur when no file has been selected
//{
// System.Windows.MessageBox.Show("Please select save file name and location");
// return;
//}
//catch (ArgumentException)
//{
// System.Windows.MessageBox.Show("Please select save file name and location");
// return;
//}
try
{
sourceStream.StartRecording();
}
catch (NAudio.MmException exception) //this error may occur when no input device is connected
{
System.Windows.MessageBox.Show("No Input Device available");
}
// waveOut.Play();
m_pitchTracker = new PitchTracker(); //initilises class for detecting pitch
m_pitchTracker.SampleRate = m_sampleRate; // sample rate is set to 44100.0f as standard
// m_pitchTracker.PitchDetected += OnPitchDetected; //
m_audioBuffer = new float[(int)Math.Round(m_sampleRate * m_timeInterval / 1000.0)];
StartTimer();
// UpdateDisplay();
//we need to initialise the customsheetmusicstaff item here once its done
//Also call the "fittoscreen" method
/*StartTimer(); */ //starts the timer. this was meant as part of the sheetmusic timing indications
title = titleBox.Text; //Set the given title name to the title at the top of the sheet music form.
//SheetMusicForm frm = new SheetMusicForm(); // initialises the sheet music form
//frm.Show(); // shows the form
// ControlPanels.PianoRoll pRoll = new ControlPanels.PianoRoll(); //this was an experiment to try and create a pianoroll style layout
ControlPanels.MyPianoRollCreator pRoll = new ControlPanels.MyPianoRollCreator();
var host = new Window(); //xml forms can not be diplayed in the same way normal forms can. they need a "host"
host.Content = pRoll; //fills that host with the xaml code i produced to draw the pianoroll style form
host.Show();
ControlPanels.RollCreaterControls pRollControlls = new ControlPanels.RollCreaterControls();
//var host2 = new Window(); //xml forms can not be diplayed in the same way normal forms can. they need a "host"
//host2.Content = pRollControlls; //fills that host with the xaml code i produced to draw the pianoroll style form
//host2.MaxHeight = 92;
//host2.MaxWidth = 592;
//host2.WindowStyle = WindowStyle.ToolWindow ;
//host2.Show();
RecordString = ""; //the string of notes is cleared from last time
Recording = true; //the notes are being recorded
stopBtn.Enabled = true;
// Change Color of button
composerBtn.BackColor = Color.PowderBlue;
}
void ptracker_PitchDetected(PitchTracker sender, PitchTracker.PitchRecord pitchRecord)
{
setNumbers(pitchRecord.Pitch);
}
