I found that with iTunes, you can play songs in the WMA format, but it doesn t convert them, so on The Code Project website, I found an MP3, WAV, and PCM audio capturing C# code and added all the libraries necessary to capture the audio to the specif

音乐播放器，采用qt进行界面的设计，可以运行的音乐播放器-Music player, using qt for interface design, you can run the music player

这是用三角窗设计的FIR低通滤波器,来消除音乐信号的噪声,(This is using triangular window design of FIR low-pass filter, to eliminate the noise of the music signal,)

采用MUSIC方法的白噪声频率检测仿真,不错的源码 很好(The MUSIC method of white noise simulation frequency detection, good source is very good)