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