double GetFrequencySimularity()
{
if (rawAudio.SampleLength != producedAudio.SampleLength)
{
throw new ArgumentException("Songs do not share the same samplelength");
}
long minLength = Math.Min(rawAudio.samples.Length, producedAudio.samples.Length);
List <double[]> tempAmps = new List <double[]> ();
int sampleStep = (int)Math.Round(rawAudio.sampleRate / sampleFrequency);
for (long i = 0; i < minLength - sampleStep; i += sampleStep)
{
double progress = Math.Round(10000.0 * i / (minLength - sampleStep)) / 100;
WriteToProgressLabel("Transforming produced audio: " + progress + "%");
double[] amps = Sequencer.FourierTransform(producedAudio.samples, i, sampleStep, rawAudio.SampleLength);
tempAmps.Add(amps);
}
double totalDiff = 0;
double tot = 0;
for (int i = 0; i < tempAmps.Count; i++)
{
for (int j = 0; j < tempAmps[i].Length; j++)
{
totalDiff += Math.Abs(allAmps[i][j] - tempAmps[i][j]);
tot++;
}
}
totalDiff /= tot;
return(totalDiff);
}
void SequenceAudio()
{
allAmps.Clear();
// Calculating the step size
int sampleStep = (int)Math.Round(rawAudio.sampleRate / sampleFrequency);
for (long i = 0; i < rawAudio.samples.Length - sampleStep; i += sampleStep)
{
double progress = Math.Round(10000.0 * i / (rawAudio.samples.Length - sampleStep)) / 100;
WriteToProgressLabel("Transforming: " + progress + "%");
double[] amps = Sequencer.FourierTransform(rawAudio.samples, i, sampleStep, rawAudio.SampleLength);
allAmps.Add(amps);
}
}