MATLAB Scripts for Mid-Tread Uniform Quantizer Assignment

Assignment Task

Problem

1. Construct a MATLAB script for a mid-tread uniform quantizer (odd number of quantization levels) that can digitize the analog signal m(t) = sin(t), -10 sec

2. Develop two functions for an A-law compressor and its inverse and test their correct functionality as they are supposed to compensate each other for an arbitrary input sequence. Repeat the two examples for nonuniform_ex4.m and nonuniform_ex5.m using 4-law and its inverse functions and then tabulate and compare the SQNR values obtained for 3 different quantization levels. Discuss the PCM performance in the two cases and its sensitivity to the dynamic range of the input sequence.

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