用C#实现的类似频扑分析仪的功能,包括FFT变换等操作-To use C# to achieve a similar function of frequency flutter analyzer

musicdsp source code archive-Analysis Beat Detector Class Coefficients for Daubechies wavelets 1-38 DFT Envelope detector Envelope Detector class (C++) Envelope follower with different attack and release Fast in-place Walsh-Hadamard Tra