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1997 Course Multimedia Techniques

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Total No. of Questions :10] [Total No. of Pages : 2 P1137 [3864] - 91 B.E. (Computer Engineering) MULTIMEDIA TECHNIQUES (1997 Course) (410252) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Assume suitable data, if necessary. SECTION - I Q1) a) Fill in the blanks- [10] i) ii) In HDTV the aspect ratio is _______. iii) For loss less digitization, the sampling rate should be at least twice the max. Frequency response is a ________. iv) Picture elements are commonly called as ________. v) b) The sampling rate for CDDA quality sound is_______. In India ______ Television broadcasting standard is used. What is authoring? Explain DirectX authoring tool. [8] Q2) a) Enlist the minimum specifications of Multimedia PC level 1 and level 2. [8] b) Which are the Multimedia supported databases? Differentiate between the Conventional databases and Multimedia databases. [8] Q3) a) b) Explain GIF file format in detail. [8] Discuss the factors that determine size of file and quality of sound for audio capture and playback. What are various chunks present in a sound file stored as WAV format? [8] P.T.O. Q4) a) b) Q5) a) b) What is HDTV? Why the quality of HDTV is better? Justify. [8] Explain the process of image acquisition and the devices involved in it. [8] What is variable length coding? Explain MP3 encoder in details. [8] What is streaming? How it is useful in multimedia application [8] development? List the protocols used in streaming. SECTION - II Q6) a) Which are the various modes of JPEG Compression? Explain Hierarchical JPEG compression. [8] b) What is MIDI? Explain MIDI system and its control commands. [8] Q7) a) What do you mean by lossy and lossless compression? Explain Huffmans compression with an example. [8] b) Explain the internal storage structure of Digital Versatile Disc with labels and layers of storage. [8] Q8) a) Calculate the capacity of a CD-DA, which has a 74 min play time. The sound stored on CD-DA is a stereo,16-bit linear quantified at 44.1 KHz sampling rate. [8] b) Which are the types of nodes in VRML? Write a script for implementing dining table using VRML? [8] Q9) a) Explain the designing of Hand gloves for their use in Multimedia Applications. [8] b) What is the main goal of Document Architecture ODA? Explain in brief the SGML document architecture. [8] Q10 Write short notes on (Any Three): a) Microsoft Windows Multimedia Extensions. [18] b) 2D and 3D Animation. c) Head mounted displays. d) Define Hue & Saturation. jjj [3864]-91 2

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