protected override DiscreteSignal Render(NoteSegment segment)
{
DiscreteSignal mainSignal = null;
if (segment is PercussionNoteSegment percussionNoteSegment)
{
mainSignal = GetPercussionSignal(percussionNoteSegment.PercussionType, percussionNoteSegment.DurationSamples);
}
else if (segment is MelodicNoteSegment melodicNoteSegment)
{
// Combine a Sine wave and a Square wave
mainSignal = SignalHelper.GetSine(melodicNoteSegment.Frequency, melodicNoteSegment.DurationSamples);
mainSignal.CombineAdd(SignalHelper.GetSquare(melodicNoteSegment.Frequency, melodicNoteSegment.DurationSamples));
}
float velocityMultiplier = segment.Velocity / 127f; // Velocity ranges from 0 - 127
// A simple way of doing an equalizer
float balanceMultiplier = BalanceProvider.GetMultiplier(segment);
// Scale the signals based on their velocity and balance multipliers
mainSignal.Amplify(velocityMultiplier * balanceMultiplier);
mainSignal.ApplyAdsr(AdsrEnvelopeProvider.CreateEnvelope(segment));
return(mainSignal);
}