读入需要的语音文件（wav格式），进行频谱分析，对其加入随机噪声，然后进行降噪处理，降噪处理前后效果较佳-Need to read the audio files (wav format), spectral analysis, it added random noise, then noise reduction, noise reduction before and after treatment was better

本程序演示了用labview如何产生随机噪声，并对其进行谱分析和相关分析和滤波的过程(This procedure demonstrates the use of LabVIEW how to generate random noise, and its spectral analysis and correlation analysis and filtering process)