The specified voice spectrum is 300 Hz–3400 Hz. The sampling frequency used is 8 kHz. In practice, the frequency spectrum of human voice extends much beyond the highest frequency necessary for communication. Let the input analog information signal contain a 5 kHz frequency component also. What would happen at the output of the sampler
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The audio frequency is ranging between 20 to 20 kHz. This is different from the speech. The bandwidth of the speech is normally much less than.
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