Question: Please Solve this question 2 Full both parts a and b! This is the question of Data Communication 2./9) Consider an audio signal with spectral

Please Solve this question 2 Full both parts a and b!

Please Solve this question 2 Full both parts a and b! This is the question of Data Communication

2./9) Consider an audio signal with spectral components in the range 300 to 3400 Hz. Assume that a sampling rate of 8000 samples per second is used to generate a PCM signal. (i) For SNR = 40 dB, what are the number of uniform quantization levels needed? (ii) What data rate is required? (iii) What is the bit duration? b) Why Scrambling techniques are used? Explain following techniques in detail and draw respective waveform for the given data sequences: (i) BEZS, for Data = 100000000 (ii) HDB3, for Data = 1100001000000000

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