I am implementing BFSK frequency hopping communication system on a DSP processor. It was suggested by some of the forum members to use Goertzel algorithm for the demodulation of frequency hopping a...

Following on from my earlier question, my goal is to detect DTMF tones in a WAV file from C#. However, I'm really struggling to understand how this can be done. I understand the DTMF uses a combin...