private void microphone_BufferReady(object sender, EventArgs e)
{
_page.MessageTextBlock.Text = "";
_microphone.GetData(_buffer);
double[] x = new double[2048];
int index = 0;
for (int i = 0; i < 2048; i += 2)
{
x[index] = Convert.ToDouble(BitConverter.ToInt16(_buffer, i));
index++;
}
double frequency = FrequencyUtils.FindFundamentalFrequency(x, _microphone.SampleRate, 60, 2000);
SoundNote soundNote = new SoundNote();
soundNote.FindNoteByFrequency(frequency);
_notesList.Add(soundNote);
_page.ShowNote(soundNote);
if (!soundNote.IsOutOfTune)
{
if (IsCorrectListOfNotes(_notesList))
{
a = x;
double[] b = FrequencyUtils.Spectr;
SoundNote lastNote = _notesList.Last();
AchievedNotes.Add(lastNote);
_notesList.Clear();
CorrectNoteEvent(_microphone);
}
}
}
public void ShowNote(SoundNote soundNote)
{
iter++;
NoteTextBlock.Foreground = soundNote.IsOutOfTune
? new SolidColorBrush(Colors.Red)
: new SolidColorBrush(Colors.Green);
NoteTextBlock.Text = soundNote.Note + soundNote.Octave;
}
private VocalRange[] GetNeighboursOfNote(SoundNote soundNote, bool isFindingLowest)
{
VocalRange[] arrayOfRanges = new VocalRange[2];
int distance;
if (isFindingLowest)
{
distance = 100;
for (int i = 0; i < _listOfAllRanges.Count; i++)
{
SoundNote tempNote = new SoundNote(_listOfAllRanges[i].LowestNote);
int tempdistance = SoundNote.GetDistanceBetweenNotes(soundNote, tempNote);
if (tempdistance < distance && soundNote.CompareTo(tempNote) == 1)
{
distance = tempdistance;
arrayOfRanges[0] = _listOfAllRanges[i];
}
}
distance = 100;
for (int i = 0; i < _listOfAllRanges.Count; i++)
{
SoundNote tempNote = new SoundNote(_listOfAllRanges[i].LowestNote);
int tempdistance = SoundNote.GetDistanceBetweenNotes(soundNote, tempNote);
if (tempdistance < distance && soundNote.CompareTo(tempNote) == -1)
{
distance = tempdistance;
arrayOfRanges[1] = _listOfAllRanges[i];
}
}
}
else
{
distance = 100;
for (int i = 0; i < _listOfAllRanges.Count; i++)
{
SoundNote tempNote = new SoundNote(_listOfAllRanges[i].HighestNote);
int tempdistance = SoundNote.GetDistanceBetweenNotes(soundNote, tempNote);
if (tempdistance < distance && soundNote.CompareTo(tempNote) == 1)
{
distance = tempdistance;
arrayOfRanges[0] = _listOfAllRanges[i];
}
}
distance = 100;
for (int i = 0; i < _listOfAllRanges.Count; i++)
{
SoundNote tempNote = new SoundNote(_listOfAllRanges[i].HighestNote);
int tempdistance = SoundNote.GetDistanceBetweenNotes(soundNote, tempNote);
if (tempdistance < distance && soundNote.CompareTo(tempNote) == -1)
{
distance = tempdistance;
arrayOfRanges[1] = _listOfAllRanges[i];
}
}
}
return(arrayOfRanges);
}
public void FindHighestAndLowestNote()
{
HighestNote = AchievedNotes.Max();
LowestNote = AchievedNotes.Min();
}
