1.

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 kbpsI got this question in an internship interview.I would like to ask this question from Layers topic in portion Cryptography Overview, TCP/IP and Communication Networks of Cryptograph & Network Security

Answer»

The CORRECT OPTION is (a) 64 kbps

The EXPLANATION is: 2 × 4000 × 8 = 64,000 = 64kbps.



Discussion

No Comment Found

Related InterviewSolutions