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2003 Course Audio - Video Engineering

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Total No. of Questions : 12] P1157 [Total No. of Pages : 3 [3864] - 276 B.E. (E & TC) AUDIO - VIDEO ENGINEERING (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer three questions from section I and three questions from section II. 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) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 6) Assume suitable data, if necessary. SECTION - I Q1) a) Explain with suitable expressions, why (G-Y) signal is not transmitted in colour T.V. transmission? [4] b) Compare the technologies suitable for flat panel display used for colour T.V. [8] c) Define the terms: [6] i) Hue ii) Kell factor iii) Saturation iv) Colour Temperature OR Q2) a) Draw the complete colourplexed composite video signal received in colour T.V., indicating level & timings of different component of signal. Explain [8] the purpose of different components. b) What are the compatibility requirements for colour T.V. transmission? Explain the concept of frequency interleaving. [8] c) State why VSB modulation is used in T.V.? [2] P.T.O.

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