public void TickTempoAsSeconds_117()
{
int bpm = 117;
double sec = AudioMaths.TickTempoAsSeconds(bpm);
Assert.AreEqual((60.0 / bpm) / 480.0, sec);
}
private void InitializeNoteFrequenceTable()
{
fA4Frequence = 440.0f; //A4 = 440Hz
//A0 has distance of -60 => C0 has distance of -57 (-60 + 3)
int distanceFromA4 = -57;
//Add from C0 to B9
for (int i = 0; i <= 9; i++)
{
fTable.Add("C" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("C#" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4));
fTable.Add("Db" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("D" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("D#" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4));
fTable.Add("Eb" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("E" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("F" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("F#" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4));
fTable.Add("Gb" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("G" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("G#" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4));
fTable.Add("Ab" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("A" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("A#" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4));
fTable.Add("Bb" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
fTable.Add("B" + i.ToString(),
AudioMaths.CalculateNoteFrequence(fA4Frequence, distanceFromA4++));
}
}
public void BeatTempoAsSeconds_120()
{
double sec = AudioMaths.BeatTempoAsSeconds(120);
Assert.AreEqual(0.5, sec);
}
public void BeatTempoAsSeconds_117()
{
double sec = AudioMaths.BeatTempoAsSeconds(117);
Assert.AreEqual(60.0 / 117.0, sec);
}
public void BeatTempoAsSeconds_60()
{
double sec = AudioMaths.BeatTempoAsSeconds(60);
Assert.AreEqual(1, sec);
}