private static void ShortTimeFourierTransform(IList <Complex> fftBuffer, FftDirection fftDirection)
{
var buffer = fftBuffer.Select(x => new[] { x.Real, x.Imaginary }).SelectMany(x => x).ToArray();
ShortTimeFourierTransform(buffer, fftBuffer.Count, fftDirection == FftDirection.Forward ? -1 : 1);
for (var i = 0; i < fftBuffer.Count; i++)
{
fftBuffer[i] = new Complex(buffer[i * 2], buffer[i * 2 + 1]);
}
}
private static void ShortTimeFourierTransform(IList<Complex> fftBuffer, FftDirection fftDirection)
{
var buffer = fftBuffer.Select(x => new[] {x.Real, x.Imaginary}).SelectMany(x => x).ToArray();
ShortTimeFourierTransform(buffer, fftBuffer.Count, fftDirection == FftDirection.Forward ? -1 : 1);
for (var i = 0; i < fftBuffer.Count; i++)
{
fftBuffer[i] = new Complex(buffer[i*2], buffer[i*2+1]);
}
}