public static List <TimedAmplitude> RemoveNoise(List <TimedAmplitude> timedExtremums, double maxNoise) //AVG chrono
{
if (maxNoise == 0)
{
return(timedExtremums);
}
TimedAmplitude FirstWave = timedExtremums.First();
List <TimedAmplitude> NoNoiseExtremums = new List <TimedAmplitude>();
NoNoiseExtremums.Add(FirstWave);
double LastWaveSize = FirstWave.Amplitude;
for (int i = 1; i < timedExtremums.Count - 1; i++)
{
TimedAmplitude wave = timedExtremums[i];
if (Math.Abs(wave.Amplitude - LastWaveSize) / Math.Max(wave.Amplitude, LastWaveSize) >= maxNoise)
{
NoNoiseExtremums.Add(wave);
LastWaveSize = wave.Amplitude;
}
}
NoNoiseExtremums.Add(timedExtremums.Last());
return(NoNoiseExtremums);
}
public static List <Point> GetSoundCoordinates(List <TimedAmplitude> sound, WaveToCoordinatesTranformer waveToCoordinatesTranformer)
{
List <Point> coords = new List <Point>();
TimedAmplitude prev1 = sound.First();
TimedAmplitude prev2 = sound[1];
for (int i = 2; i < sound.Count; i++)
{
(double x, double y) = waveToCoordinatesTranformer(prev1, prev2, sound[i]);
Point P = new Point(x, y);
if (!coords.Contains(P))
{
coords.Add(P);
}
prev1 = prev2;
prev2 = sound[i];
}
return(coords);
}
public delegate(double x, double y) WaveToCoordinatesTranformer(TimedAmplitude min1, TimedAmplitude max, TimedAmplitude min2);