Description:
DTMF编解码程序，支持自定义频率（8000HZ，44100HZ等等），按键的频率也可以自定义，编解码速度很快，可以用来做声波数据传输
DTMF encoding and decoding process, to support the custom frequency (8000HZ, 44100HZ, etc.), the frequency of the button can also be customized, encoding and decoding speed is very fast, can be used to do acoustic data transmission
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File list (Check if you may need any files):
bluebox-master
..............\.clang_complete
..............\.gitignore
..............\CMakeLists.txt
..............\LICENSE
..............\README.md
..............\cmake
..............\.....\Modules
..............\.....\.......\FindSndFile.cmake
..............\inc
..............\...\ani.h
..............\...\ani_decoder.h
..............\...\ani_encoder.h
..............\...\common.h
..............\...\decoder.h
..............\...\dtmf.h
..............\...\encoder.h
..............\...\goertzel.h
..............\...\main.h
..............\misc
..............\....\DTMF_dialing.wav
..............\....\s2t
..............\....\...\Makefile
..............\....\...\sndfile-to-text.c
..............\....\t2s
..............\....\...\Makefile
..............\....\...\main.c
..............\....\tonegen.py
..............\plot.plt
..............\plot_ani.plt
..............\src
..............\...\ani.c
..............\...\ani_decoder.c
..............\...\ani_encoder.c
..............\...\decoder.c
..............\...\dtmf.c
..............\...\encoder.c
..............\...\goertzel.c
..............\...\main.c
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