1 Write Matlab script to plot the spectrum of DTMF signal for keys 4, 8 and D Choose an appropriate sampling frequency The DTMF frequencies are indicated in table 1 Table 1 DTMF frequencies please i need the Matlab code that will work , very important Q , please help Row Column 2 4 1209Hz1336Hz1477Hz1633Hz 1 697Hz 2 770Hz 3 852Hz 4 941Hz 2 6 0

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Question: 1. Write Matlab script to plot the spectrum of DTMF signal for keys 4, 8 and D. Choose an appropriate sampling frequency. The DTMF frequencies

1. Write Matlab script to plot the spectrum of DTMF signal for keys 4, 8 and D. Choose an appropriate sampling frequency. The DTMF frequencies are indicated in table 1. Table 1: DTMF frequencies

1. Write Matlab script to plot the spectrum of DTMF signal for

please i need the Matlab code that will work , very important Q , please help

Row/Column 2 4 1209Hz1336Hz1477Hz1633Hz 1 697Hz 2 770Hz 3 852Hz 4 941Hz 2 6 0

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