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The standard value of A in A-law is

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The standard value of A in A-law is

(a) 87

(b) 88

(c) 86.7

(d) 87.6

The question was posed to me during an interview.

I need to ask this question from Uniform and Non Uniform Quantization in chapter Formatting and Baseband Modulation of Digital Communications

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The correct choice is (d) 87.6

The best I can explain: Another famous compression characteristic used is A-law. In this law, the standard value of A is 87.6.

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