wavecontrol基于wavefile类，我在另一篇文章中写道。该用户控件使用这类分析的波形文件，并控制本身处理所有图纸/缩放波形。-WaveControl is based on the WaveFile class that I wrote in another article. This user control uses that class for parsing of the wave file, and the control itself handles all the dr

TAudioInfo class for fast extracting mp3 (MPEG 1, 2 Layers I, II, III)