Q2) a) An audio signal m(t) bandlimited to 4 KHz is applied to a compressed PCM system that use μ = 255, and operates at 25% higher than the Nyquist rate. The required SNR is at least 50 dB. Calculate the minimum required transmission bandwidth if the quantized samples are coded using the following line codes: 1) Polar signal with rectangular full-width pulse. 2) Manchester code.
Q2) a) An audio signal m(t) bandlimited to 4 KHz is applied to a compressed PCM system that use μ = 255, and operates at 25% higher than the Nyquist rate. The required SNR is at least 50 dB. Calculate the minimum required transmission bandwidth if the quantized samples are coded using the following line codes: 1) Polar signal with rectangular full-width pulse. 2) Manchester code.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Transcribed Image Text:Q2)
a) An audio signal m(t) bandlimited to 4 KHz is applied to a compressed PCM
system that use μ = 255, and operates at 25% higher than the Nyquist rate. The
required SNR is at least 50 dB. Calculate the minimum required transmission
bandwidth if the quantized samples are coded using the following line codes:
1) Polar signal with rectangular full-width pulse.
2) Manchester code.
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