Description: DSP dual tone multi-frequency signal (line frequency and column frequency to represent a number on the telephone keyboard) to generate and detect the source code. Easy to use, easy to understand.
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File list (Check if you may need any files):
dtmf
....\Debug
....\.....\IIR5_T.obj
....\.....\TEST.obj
....\.....\iir5.out
....\Debug.lkf
....\Debug.lkv
....\FIR.CMD
....\FTEST.C
....\IIR5_T.C
....\LTEST.C
....\TEST.C
....\cc_build_Debug.log
....\dd.dat
....\hx.data
....\iir5.paf
....\iir5.pjt
....\t1.h
....\t2.h
....\t3.h
....\t4.h
....\t5.h
....\test.h
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