vb编写的，用于音频分析的快速复利叶算法。含有音频采样（wav），频谱分析。-vb prepared for the rapid analysis of the audio compound leaf algorithm. Audio samples containing (wav), spectrum analysis.

监听输入音频并利用FFT算法计算出其频谱-This article shows how to use a Fast Fourier Transform (FFT) algorithm to calculate the fundamental frequency of a captured audio sound.

这是一个简单的应用我建立理解波的Windows音频API的基础知识，并获得一个快速傅立叶变换（FFT变换）的基本掌握。它的功能是：双缓冲绘图，取样的音频源，选择一个录音源使用搅拌机，FFT频谱计算阵列，并策划采样数据。 -This is a simple application I built to understand the basics of the Windows Audio WAVE API, and to get a basic grasp on Fast Fourier Tra

计算晶粒的生长，入门级别程序,音频信号通过LM386放大，对信号进行频谱分析及滤波。- Calculation of growth, entry-level program grains LM386 audio signal amplification, The signal spectral analysis and filtering.