/// <summary>
/// Constructs extractor from configuration <paramref name="options"/>.
/// </summary>
public ChromaExtractor(ChromaOptions options) : base(options)
{
_options = options;
_blockSize = options.FftSize > FrameSize ? options.FftSize : MathUtils.NextPowerOfTwo(FrameSize);
FeatureCount = options.FeatureCount;
_filterBank = FilterBanks.Chroma(_blockSize,
SamplingRate,
FeatureCount,
options.Tuning,
options.CenterOctave,
options.OctaveWidth,
options.Norm,
options.BaseC);
_fft = new RealFft(_blockSize);
_spectrum = new float[_blockSize / 2 + 1];
}
