读midi文件，并能够提取midi文件中的音符，并提取出pitch contour（音符轮廓），以用于模式识别-Reading midi document, and be able to extract the midi paper notes, and extracted pitch contour (note profile), for Pattern Recognition

MIDI文件主旋律音轨的抽取Extract the main theme track MIDI file-Extract the main theme track MIDI file

把要进行旋律提取的midi音乐（最好是选择单轨midi）放进midi_demo_folder里； 双击run_midiReader.bat进行提取，提取到的音符序列会自动存入midi_demo_folder里。-Like to extract the melody midi music (the best is to select single track midi) into midi_demo_folder Lane double run_midiReader.bat extracti