Exam Details
| Subject | Signal Compression | |
| Paper | ||
| Exam / Course | Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/ | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 3 I
B.Tech.... VlEP -ELECTRONICS AND COMMUNICATION ENGlNEERING (BTEcVI)
Term-End Examination
00493
December, 2016
8IELE-010 SIGNAL COMPRESSION
Time: 3 hours Maximum Marks: 70
Note: Attempt any Beven questwns. All questions carry eqtual marks. Use of scientific calculator is allowed. Missing data may suitably qssumed.
1. Explain the concept of signal compression with a suitable diagram. 4
What is the difference between Lossless and Lossy compression? 4
What is entropy? 2
2. What is the need of extended Huffman coding and adaptive Huffman coding 5
Determiine whether the following Codes are uniquely decodable or not: 5
11, 111}
01, 110, 111}
3. Design a Huffman code for a source that puts out letters from an alphabet
A a1,a2,a3,a4,a5}
with =0.2
=0.4 and 0.1. 4
Explain about the application of Huffman and Arithmetic coding? 4
What are minimum variance Huffman codes? 2
4. Fot an alphabet A with probabilities 0.7,P(a2) 0.2, 0.1. Design a 3-bit Tunstall code. 5
Explain the difference between Golomb codes and Run Length codes. 5
5. What do you mean by Dictionary techniques Explain its types with suitable examples. 5
Explain LZ77 algorithm and mention how it is different from LZ78. 5
6. State and prove the Rate Distortion theory. 4
Explain the Rate distortion function (or the binary source. 4
What are the properties of Rate distortion function? 2
7. What is the technique of quantization? What are the types of quantization that exist. List the applications of quantization. 5
What is the difference between scalar quantization and vector quantization Explain in brief. 5
8. What do you mean by subband coding of speech signal? Explain about subband coding with a neat block diagram. 5
Describe KLT (Karhunen-Loeve Transform) algorithm with a suitable example. 5
9. What are the differential encoding schemes available? 4
Differentiate between subband and wavelet? Explain. 8
What are the Audio/Video compression standards available? 3
10. Write short notes on any two of the following: 2x5=10
Dynanric Markov Compression
Linde-Buzo-Gray Algorithm
Discrete Walsh-Hadamard Transform
B.Tech.... VlEP -ELECTRONICS AND COMMUNICATION ENGlNEERING (BTEcVI)
Term-End Examination
00493
December, 2016
8IELE-010 SIGNAL COMPRESSION
Time: 3 hours Maximum Marks: 70
Note: Attempt any Beven questwns. All questions carry eqtual marks. Use of scientific calculator is allowed. Missing data may suitably qssumed.
1. Explain the concept of signal compression with a suitable diagram. 4
What is the difference between Lossless and Lossy compression? 4
What is entropy? 2
2. What is the need of extended Huffman coding and adaptive Huffman coding 5
Determiine whether the following Codes are uniquely decodable or not: 5
11, 111}
01, 110, 111}
3. Design a Huffman code for a source that puts out letters from an alphabet
A a1,a2,a3,a4,a5}
with =0.2
=0.4 and 0.1. 4
Explain about the application of Huffman and Arithmetic coding? 4
What are minimum variance Huffman codes? 2
4. Fot an alphabet A with probabilities 0.7,P(a2) 0.2, 0.1. Design a 3-bit Tunstall code. 5
Explain the difference between Golomb codes and Run Length codes. 5
5. What do you mean by Dictionary techniques Explain its types with suitable examples. 5
Explain LZ77 algorithm and mention how it is different from LZ78. 5
6. State and prove the Rate Distortion theory. 4
Explain the Rate distortion function (or the binary source. 4
What are the properties of Rate distortion function? 2
7. What is the technique of quantization? What are the types of quantization that exist. List the applications of quantization. 5
What is the difference between scalar quantization and vector quantization Explain in brief. 5
8. What do you mean by subband coding of speech signal? Explain about subband coding with a neat block diagram. 5
Describe KLT (Karhunen-Loeve Transform) algorithm with a suitable example. 5
9. What are the differential encoding schemes available? 4
Differentiate between subband and wavelet? Explain. 8
What are the Audio/Video compression standards available? 3
10. Write short notes on any two of the following: 2x5=10
Dynanric Markov Compression
Linde-Buzo-Gray Algorithm
Discrete Walsh-Hadamard Transform
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