/// <summary>
/// Gets a waveform of the specified channel
/// </summary>
/// <param name="channelOffset"></param>
/// <param name="size"></param>
/// <returns></returns>
public float[] GetWaveform(int channelOffset = -1, int size = 256)
{
var buffer = new float[size];
sampleProvider.Read(buffer, 0, size);
return(buffer);
}