File list (Check if you may need any files):
DtmfDecode
..........\1.wav
..........\2223333161_40_20.wav
..........\2223333163_40_20.wav
..........\2223334162_40_20.wav
..........\Debug
..........\.....\dedtmf.exe
..........\.....\dedtmf.ilk
..........\.....\dedtmf.pch
..........\.....\dedtmf.pdb
..........\.....\dtmf.obj
..........\.....\main.obj
..........\.....\vc60.idb
..........\.....\vc60.pdb
..........\dedtmf.dsp
..........\dedtmf.dsw
..........\dedtmf.exe
..........\dedtmf.ncb
..........\dedtmf.opt
..........\dedtmf.plg
..........\dtmf.cpp
..........\DTMF_Test-1.wav
..........\main.cpp
..........\result1.txt