A male voice after modulation-transmission sounds like that of a female to the receiver. Which of the following is the problem due to ?
Answer & explanation
Correct answer: option 2
The frequency of male voice is less than that of female voice. In the given problem, the frequency of modulated signal received becomes more, which is possible due to the poor selection of bandwidth. It is so because band-width in AM = Twice the frequency of the modulating signal.