Introduction - If you have any usage issues, please Google them yourself
Documents extracted from the wave frequency procedures, wrote it myself, the effect in general, is for reference only.
Packet : 47651468pitchdrawing.rar filelist
PitchDrawing
PitchDrawing\Debug
PitchDrawing\KBFFT.CPP
PitchDrawing\KBFFT.H
PitchDrawing\MainFrm.cpp
PitchDrawing\MainFrm.h
PitchDrawing\PitchDrawing.001
PitchDrawing\PitchDrawing.002
PitchDrawing\PitchDrawing.aps
PitchDrawing\PitchDrawing.clw
PitchDrawing\PitchDrawing.cpp
PitchDrawing\PitchDrawing.dsp
PitchDrawing\PitchDrawing.dsw
PitchDrawing\PitchDrawing.h
PitchDrawing\PitchDrawing.ncb
PitchDrawing\PitchDrawing.opt
PitchDrawing\PitchDrawing.plg
PitchDrawing\PitchDrawing.rc
PitchDrawing\PitchDrawingDoc.cpp
PitchDrawing\PitchDrawingDoc.h
PitchDrawing\PitchDrawingView.cpp
PitchDrawing\PitchDrawingView.h
PitchDrawing\ReadMe.txt
PitchDrawing\RES
PitchDrawing\RES\BITMAP1.BMP
PitchDrawing\RES\PitchDrawing.ico
PitchDrawing\RES\PitchDrawing.rc2
PitchDrawing\RES\PitchDrawingDoc.ico
PitchDrawing\RES\Toolbar.bmp
PitchDrawing\RESOURCE.H
PitchDrawing\StdAfx.cpp
PitchDrawing\StdAfx.h