/// <summary>
/// Creates wave of given pitch with the right transformation
/// </summary>
/// <param name="pitch">Pitch</param>
/// <param name="length">Length in milliseconds</param>
/// <param name="shift">Interval shift from base pitch</param>
/// <param name="waveForm">Wave transformation</param>
/// <param name="sampleRate">Sample rate</param>
/// <returns></returns>
public static short[] SampleWaveForm(Pitch pitch, int length, Shift shift, WaveFormEquation waveForm, int sampleRate)
{
double baseFrequency = Frequency.GetFrequency(pitch);
double frequency = shift(baseFrequency);
short[] wave = waveForm(frequency, length, sampleRate);
return(wave);
}
/// <summary>
/// Change the shape of wave
/// </summary>
/// <param name="waveForm">Method to generate a wave</param>
public void ChangeWaveForm(WaveFormEquation waveForm)
{
WaveForm = waveForm;
ResetOutput();
if (Beat != null)
{
SoundMixer.AddInputStream(Beat.Channel);
}
}
/// <summary>
/// Writes a .wav file containing one pitch.
/// </summary>
/// <param name="filename">Filename</param>
/// <param name="pitch">Pitch</param>
/// <param name="waveForm">Wave transformation</param>
/// <param name="sampleRate">Sample rate</param>
public static void CreatePitchWaveFile(string filename, Pitch pitch, WaveFormEquation waveForm, int sampleRate)
{
short[] shortWave = SampleWaveForm(pitch, sampleRate, Shifts.Unison, waveForm, sampleRate);
byte[] binaryWave = ConvertShortWaveToBytes(shortWave);
using (FileStream fs = File.Create(filename))
{
WriteToStream(fs, binaryWave, sampleRate, sampleRate, 16, 1);
}
}
/// <summary>
/// Converts to a corresponding sound wave
/// </summary>
/// <param name="sampleRate">Sample rate</param>
/// <param name="shift">Pitch shift, if any</param>
/// <param name="waveForm">Wave form</param>
/// <returns></returns>
public short[] ConvertToWave(int sampleRate, Shift shift, WaveFormEquation waveForm)
{
int length = ConvertDurationToLength(sampleRate);
List <short[]> waves = new List <short[]> {
};
foreach (Pitch frequency in Frequencies)
{
waves.Add(Wave.SampleWaveForm(frequency, length, shift, waveForm, sampleRate));
}
short[] mixed = Mixing.MixListOfWaves(waves);
return(mixed);
}
/// <summary> /// Returns WavePlayer corresponding to key and wave form. /// </summary> public static WavePlayer GetWavePlayerFromKey(Keys key, WaveFormEquation waveForm) => PitchSelector.GetWavePlayer(GetPitchFromKey(key), waveForm);
