/DTMF_Detector

:telephone_receiver: Using Matlab to simulate Dual-Tone Multi-Frequency (DTMF) of telephone

Primary LanguageMATLAB

DTMF_Detector

Using Matlab to simulate Dual-Tone Multi-Frequency (DTMF) of telephone

Program Structure :

Main.m

DTMF_tone_generator.m
  • button_0 ~ 9
  • button_A ~ D
  • button_Sign, button_Star
  • Dual-Tone_multifrequency_generator

button_SoundAll.m
  • Generate a Tone_file.wav Tone_file
button_Decode.m
  • Read Tone_file.wav & Decode
  • Goertzel algorithm :

DTMF Frequency (Hz) Frequency Bin : k
697 18
770 20
852 22
941 24
1209 31
1336 34
1477 38
1633 42 

button_Clear.m
  • Clear all windows

Program GUI :

Program GUI Video : https://www.youtube.com/watch?v=yUdI6OeV-q8 Program GUI gif