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Welcome to the Speech Coding MCQs Page

Dive deep into the fascinating world of Speech Coding with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Speech Coding, a crucial aspect of Wireless and Mobile Communications. In this section, you will encounter a diverse range of MCQs that cover various aspects of Speech Coding, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Wireless and Mobile Communications.

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Check out the MCQs below to embark on an enriching journey through Speech Coding. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Wireless and Mobile Communications.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Speech Coding. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Speech Coding MCQs | Page 1 of 7

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Q1.
The higher the bit rate, the more speech channels can be compressed within a given bandwidth.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q2.
Which of the following are two types of speech coders?

a.

Waveform coders and source coders

b.

Active coders and passive coders

c.

Direst coders and indirect coders

d.

Time and frequency coders

Discuss
Answer: (a).Waveform coders and source coders
Q3.
Waveform coders has _______ complexity and achieves _______ economy in transmission bit rate.

a.

Maximum, moderate

b.

Maximum, high

c.

Minimal, moderate

d.

Minimal, high

Discuss
Answer: (c).Minimal, moderate
Q4.
Vocoders has _______ complexity and achieves _______ economy in transmission bit rate.

a.

Maximum, moderate

b.

Maximum, high

c.

Minimal, moderate

d.

Minimal, high

Discuss
Answer: (b).Maximum, high
Q5.
Which of the following is not a property that is utilized in coder design?

a.

Non zero autocorrelation between successive speech signals

b.

Non flat nature of speech signal

c.

Quasiperiodicity of voiced speech signals

d.

Uniform probability distribution of speech amplitude

Discuss
Answer: (d).Uniform probability distribution of speech amplitude
Q6.
Speech waveforms are _______

a.

Bandlimited

b.

Bandpass

c.

High pass

d.

Infinite bandwidth

Discuss
Answer: (a).Bandlimited
Q7.
Which of the following is not a property of pdf of speech signals?

a.

Non uniformity

b.

Very high probability of non-zero amplitudes

c.

Significant probability of very high amplitudes

d.

Increasing function of amplitudes between these extremes

Discuss
Answer: (d).Increasing function of amplitudes between these extremes
Q8.
Auto correlation function measures______ between samples of a speech signal as a function of _______

a.

Similarity, frequency

b.

Dissimilarity, time

c.

Similarity, time

d.

Dissimilarity, frequency

Discuss
Answer: (c).Similarity, time
Q9.
Power spectral density of speech is flat.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q10.
Spectral flatness measure is the ratio of ______ and _____

a.

Variance, Geometric mean

b.

Geometric Mean, Variance

c.

Arithmetic mean, geometric mean

d.

Geometric mean, arithmetic mean

Discuss
Answer: (c).Arithmetic mean, geometric mean
Page 1 of 7

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