// Update is called once per frame
void Update()
{
if (Time.time - timeLastUpdated >= timeBetweenUpdates)
{
float alphaThetaRatio = Mathf.Pow(10f, EEGData.GetAverage(EEGData.EEG_BANDS.ALPHA)) / Mathf.Pow(10f, EEGData.GetAverage(EEGData.EEG_BANDS.THETA));
if (alphaThetaRatio > 1)
{
audio.pitch += stepSize;
}
else
{
audio.pitch -= stepSize;
}
timeLastUpdated = Time.time;
}
}
public static float GetRelativeFrequency(EEG_BANDS freqBand, int samplesBefore = 0)
{
float sumBands = 0f;
foreach (EEG_BANDS eegBand in Enum.GetValues(typeof(EEG_BANDS)))
{
sumBands += Mathf.Abs(EEGData.GetAverage(eegBand, samplesBefore));
}
float relFreq = 0f;
if (sumBands > 0)
{
relFreq = Mathf.Abs(EEGData.GetAverage(freqBand, samplesBefore) / sumBands);
}
return(relFreq);
}