/// <summary>
/// FFTs the specified channel offset.
/// </summary>
/// <param name="channelOffset">The channel offset.</param>
/// <param name="fftSize">Size of the FFT.</param>
/// <returns></returns>
public float[] FFT(int channelOffset = -1,
int fftSize = 64)
{
return(sampleProvider.FFT(fftSize));
}