模仿MediaPlayer，3D图形随音乐而变化，3D图形通过OpenGL绘图实现-Simulate the MediaPlayer, the 3D picture can change by the music which is drawn by OpenGL

使用OpenGL播放音乐，对于制作3D游戏非常有用-Play misic with OpenGL API

music higher order spectral analysis algorithm, Conducted through virtual array DOA estimation, BP neural network function fitting and pattern recognition.