The nonstationary sequence a of length 500 consists of two parts. The first 20 samples are… 1 answer below »

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The nonstationary sequence a of length 500 consists of two parts. The first 20 samples are generated according to a
Gaussian random variable with mean 0 and variance 400 (er = 20), and the next 480 samples are drawn according to a Gaussian random variable with mean 0 and variance 1. This sequence is quantized once using a uniform PCM scheme and once using a nonuniform PCM scheme. Compare the resulting SQNR in the two cases

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