chap12 ......\ReadMe.txt ......\SoundFx ......\.......\dsutil.cpp ......\.......\dsutil.h ......\.......\dxutil.cpp ......\.......\dxutil.h ......\.......\resource.h ......\.......\soundfx.cpp ......\.......\soundfx.dsp ......\.......\soundfx.dsw ......\.......\soundfx.rc ......\.......\SoundfxDlg.cpp ......\.......\SoundfxDlg.h