Multiple choice

In delta modulation, the slope overload distortion can be reduced by

  1. decreasing the step size

  2. decreasing the granular noise

  3. decreasing the sampling rate

  4. increasing the step size
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D Correct answer
Explanation

Slope overload distortion can be reduced by increasing the step size $\dfrac{\Delta}{T_\pi} \ge slope \ of \ x(t)$

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