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2003 Course Multimedia Systems (Elective I)

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Total No. of Questions : 12] P1270 [Total No. of Pages : 3 [3864]-408 B.E. (Computer Engineering) MULTIMEDIA SYSTEMS (2003 Course) (410445) (Elective - I) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) 2) 3) 4) 5) 6) Answer Q. 1 or Q. 2, Q. 3 or Q. 4, Q. 5 or Q. 6 from Section-I and Q. 7 or Q.8, Q. 9 or Q. 10, Q. 11 or Q. 12 from Section-II. Answers to the two sections should be written in separate answer sheets. Neat diagrams should be drawn wherever necessary. Figures to the right indicate full marks. Use of electronic pocket calculator is allowed. Assume suitable data, if necessary. SECTION - I Q1) a) What is multimedia document architecture? Explain what do you mean [9] by MHEG & SGML? b) What is GTK + and QT? Give the features of GTK+. [9] OR Q2) a) Explain with suitable examples multimedia building blocks and its role in development of web based multimedia applications. [9] b) What are the various devices used in multimedia systems? What are the different multimedia components present in Windows OS? [9] Q3) a) What is histogram of an image? Write algorithm for computing histogram of 8 bit gray scale image? [8] b) What is vector quantization? How is it applied to image compression?[8] OR Q4) a) Explain different image enhancement techniques by point processing?[8] b) Explain lossy compression technique. Give example. [8] P.T.O. Q5) a) What are different audio devices used in multimedia systems? Explain any four. [8] b) What are different features of MP3 audio format? Explain its file format. [8] OR Q6) a) How audio data is captured? What are the fundamental characteristics of audio data? How do you define quality of audio data? [8] b) Explain WAV file format in detail. [8] SECTION - II Q7) a) Name different techniques used for text compression. Explain with suitable example arithmetic coding applied to text data. [9] b) What are the features of MPEG in video compression? Define and explain I, P and B frames with reference to MPEG. [9] OR Q8) a) Explain with suitable example how Huffman coding is applied to text compression and decompression? What is compression ratio? [9] b) Which are the different video broadcasting techniques? Explain various features of H.261 and H.263. [9] Q9) a) What is Virtual Reality? Explain any two virtual reality devices. [8] b) What is the purpose of interpolators in VRML? Explain any two with proper VRML code. [8] OR Q10) a) Explain with suitable examples the four class specifiers available in VRML 2.0. Show the way of connecting event out of a VRML node to event in of another node. [8] b) What are various features of VRML? Explain the use of EVENTS and ROUTS with proper examples. [8] Q11) a) Explain basic principles of 2D animation. b) Explain major steps involved in 3D animation. OR [3864]-408 2 [8] [8] Q12) Write short notes on : [16] a) 2D Animation Techniques. b) Methods for creating lighting effects in animation. c) 3D Sound System. xxxx [3864]-408 3

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