Signal to Quantization Noise Ratio in PCM & Delta Modulation - MCQs

Signal to Quantization Noise Ratio in PCM & Delta Modulation - MCQs

Q1. The noise that affects PCM

a) Transmission noise
b) Quantizing noise
c) Transit noise
d) Both a) and b) are correct

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Q2. The factors that cause quantizing error in delta modulation are

a) Slope overload distortion
b) Granular noise
c) White noise
d) Both a) and b) are correct

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Q3. Granular noise occurs when

a) Step size is too small
b) Step size is too large
c) There is interference from the adjacent channel
d) Bandwidth is too large

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Q4. The crest factor of a waveform is given as

a) 2Peak value/ rms value
b) rms value / Peak value
c) Peak value/ rms value
d) Peak value/ 2rms value

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