Description: Goertzel algorithm is the core of DTMF signal detection. It uses the two-pole IIR filter to calculate the discrete Fourier transform value, and extracts the spectrum of input signal quickly and effectively.
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File list (Check if you may need any files):
| Filename | Size | Date |
|---|
| ReadME.txt | 818 | 2004-05-19
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| GUI.fig | 50992 | 2004-05-19
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| goertzel_algo.m | 1079 | 2004-05-19
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| gui.m | 23899 | 2004-05-19
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| Ogenerator.m | 2280 | 2004-05-19
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| rcal_k.m | 1058 | 2004-05-19
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| Rcdecoder.m | 1937 | 2004-05-19
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| StringNum.m | 928 | 2004-05-19 |
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