Express DSP compliant C55x DTMF detector software is proposed in two versions: one with a 5 ms framesize and one with a 10 ms frame size. The versions are quite similar in behavior. The version with a 10 msframe size is faster, but the overall quality is higher in the 5 ms version, due to lower time granularity. DTMF algorithm for TI DSP 54X/55X

c54x
....\dtmf.c
....\dtmf.mak
....\dtmf54.pjt
....\dtmfasm.s54
....\dtmfb.c
....\dtmfi.h
....\dtmfi.h54
....\dtmfr.c
....\dtmfs.c
....\dtmf_miket.h
....\dtmf_t.cc
....\idtmf.c
....\idtmf.h
....\itg.c
....\itg.h
....\i_dtmf.c
....\LINKSIM.CMD
....\main.c
....\mklib.bat
....\mklib.cmd
....\testasm.s54
....\tg.c
....\tg.h
....\tgasm.s54
....\tgsin.cc
....\tgsin.h54
....\tg_miket.h
c55x
....\d5.pjt
....\dtmf.c
....\dtmf.mak
....\dtmfasm.s55
....\dtmfb.c
....\dtmfi.h
....\dtmfi.h55
....\dtmfs.c
....\dtmf_miket.h
....\dtmf_t.cc
....\idtmf.c
....\idtmf.h
....\itg.c
....\itg.h
....\i_dtmf.c
....\LINKSIM.CMD
....\main.c
....\mklib.bat
....\mklib.cmd
....\testasm.s55
....\tg.c
....\tg.h
....\tgasm.s55
....\tgsin.h55
....\tg_miket.h
ialg.h
sim
...\cursor4.cur
...\Demo.cpp
...\demo.h
...\dtmf.cpp
...\dtmf.h
...\dtmfi.h
...\dtmfs.cpp
...\dtmf_t.cc
...\resource.h
...\sim.cfg
...\sim.cpp
...\sim.dsp
...\sim.dsw
...\sim.h

...\sim.rc
...\small.ico
...\StdAfx.cpp
...\StdAfx.h
...\stddefs.h
...\tg.cpp
...\tg.h
...\tgasm.cpp
...\tgsin.cc
spdefs.h
std.h
stddefs.h

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