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What is the scale used for the measurement of SQNR?

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in Digital Signal Processing by (829k points)
What is the scale used for the measurement of SQNR?

(a) DB

(b) db

(c) dB

(d) All of the mentioned

I have been asked this question in my homework.

I'm obligated to ask this question of Analysis of Quantization Errors topic in portion Discrete Time Systems Implementation of Digital Signal Processing

1 Answer

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by (1.4m points)
Correct choice is (c) dB

Explanation: The effect of the additive noise eq (n) on the desired signal can be quantified by evaluating the signal-to-quantization noise (power) ratio (SQNR), which can be expressed on a logarithmic scale (in decibels or dB).

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