带简单PyQt界面的音频处理程序，打开界面，播放文件，调整音效。-Audio processing PyQt interface with simple, open interface, play the file, adjust the sound.

显示出建议的音频播放器的主界面，可以进行音频文件的打开、加载、关闭及音频播放等功能。-Shows the recommended audio player main interface, you can open an audio file, load, close and audio playback.