倍频程:

倍频程:
https://baike.baidu.com/item/%E5%80%8D%E9%A2%91%E7%A8%8B/3306508?fr=aladdin

C#实现用于操作wav声音文件的类实例
调用本地wav文件进行同步播放或者异步播放，大大简化了对wav文件的操作过程，如果你需要在项目中调用wav文件进行声音播放，可以使用这个C#类。
http://www.jb51.net/article/63088.htm

https://github.com/
https://www.codeproject.com

using namespace Microsoft::DirectX;

Which Intel FFT to use - IPP or MKL

CenterSpace.NMath.Core Namespace
https://www.centerspace.net/examples/nmath/index.php
https://www.centerspace.net/examples/nmath/index.php

CSCore - Audio Library
https://archive.codeplex.com/?p=cscore

DSPLib - FFT / DFT Fourier Transform Library for .NET 4
https://www.codeproject.com/Articles/1107480/DSPLib-FFT-DFT-Fourier-Transform-Library-for-NET

Quick FFT
https://www.codeproject.com/Articles/619688/Quick-FFT

频谱、能谱、功率谱、倍频程谱、1/3 倍频程谱
https://blog.csdn.net/liyuanbhu/article/details/42675765

噪声1/3倍频程计权声级算法
http://www.docin.com/p-1415145094.html

Octave bands and auditory filters in acoustics
https://www.codeproject.com/Articles/1090765/Octave-bands-and-auditory-filters-in-acoustics

一种基于Measurement Studio计算动态信号1/3倍频程谱的方法
http://www.ixueshu.com/document/34abe5ddbd351b33.html

Exocortex.DSP
http://www.exocortex.org/dsp/