SINAD number range in measurement

Q.  What is the range of SINAD numbers associated with the threshold for reasonable intelligibility of voice especially in SINAD measurement system?
- Published on 24 Sep 15

a. 12 dB to 20 dB
b. 22 dB to 30 dB
c. 32 dB to 40 dB
d. 42 dB to 50 dB

ANSWER: 12 dB to 20 dB

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