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A

Section A: Long Answer Questions

Attempt any TWO questions.

3 questions·10 marks each
1long10 marks

Explain the JPEG image compression standard. Describe its main steps - DCT, quantization, zig-zag ordering and entropy (Huffman) coding - with the help of a block diagram.

compressionjpeg
2long10 marks

Explain the MPEG video compression standard. Discuss I-frames, P-frames and B-frames, motion estimation and compensation, and the group of pictures (GOP) structure.

compressionmpeg
3long10 marks

Explain entropy and source coding for multimedia. Discuss Huffman coding, run-length encoding and arithmetic coding, and construct a Huffman code for a given set of symbol frequencies.

codinghuffman
B

Section B: Short Answer Questions

Attempt any EIGHT questions.

9 questions·5 marks each
4short5 marks

What is Huffman coding? Construct a Huffman code for a given set of symbols and explain its working.

huffman
5short5 marks

Explain run-length encoding (RLE) with an example.

run-length
6short5 marks

Explain the role of DCT and quantization in JPEG compression.

jpeg
7short5 marks

Differentiate between I-frames, P-frames and B-frames in MPEG.

mpeg
8short5 marks

Differentiate between the RGB and CMYK color models.

color-model
9short5 marks

Explain sampling and quantization of digital audio.

audio
10short5 marks

Differentiate between lossy and lossless compression with examples.

compression
11short5 marks

What are the characteristics of multimedia data? Explain the storage requirements.

multimedia-data
12short5 marks

What is multimedia synchronization? Differentiate intra-media and inter-media synchronization.

synchronization