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Que. A digitized voice channel is made by digitizing a 4-kHz bandwidth analog voice signal. We need to sample the signal at twice the highest frequency (two samples per hertz). We assume that each sample requires 8 bits. What is the required bit rate?
a. 64 kbps
b. 32 kbps
c. 128 kbps
d. 16 kbps
Answer:64 kbps
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