AcoustID.Util.ImageGenerator.ComputeChromagram C# (CSharp) Method

        public static Image ComputeChromagram(IDecoder decoder)
        {
            var image = new Image(12);
            var image_builder = new ImageBuilder(image);

            var chroma_normalizer = new ChromaNormalizer(image_builder);
            var chroma_filter = new ChromaFilter(ChromaFilterCoefficients, chroma_normalizer);
            var chroma = new Chroma(MIN_FREQ, MAX_FREQ, FRAME_SIZE, SAMPLE_RATE, chroma_filter);

            var fft = new FFT(FRAME_SIZE, OVERLAP, chroma, new LomontFFTService());
            var processor = new AudioProcessor(SAMPLE_RATE, fft);

            processor.Reset(decoder.SampleRate, decoder.Channels);
            decoder.Decode(processor, 120);
            processor.Flush();

            return image;
        }