Download GTU B.Tech 2020 Winter 5th Sem 2151101 Audio Video Systems Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE- SEMESTER-V (NEW) EXAMINATION - WINTER 2020

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Subject Code:2151101 Date:29/01/2021

Subject Name:Audio Video Systems

Time:10:30 AM TO 12:30 PM Total Marks: 56

Instructions:

1. Attempt any FOUR questions out of EIGHT questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

1. (a) Define following terms :
   1. (1) Timbre (2) Pitch (3) Loudness
   2. (b) Draw and explain Composite Video Signal.

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   3. (c) List out the types of microphones and explain any one in detail.

Q.2

1. (a) What is optical recording? List out the types of optical recording.
2. (b) Explain in brief about LCD matrix types.

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3. (c) Write short note on LED TV.

Q.3

1. (a) Define following terms :
   1. (1) Pixel (2) Resolution (3) Hue.
   2. (b) Explain in brief Digital Audio Broadcasting.
   3. (c) Explain Interlaced scanning in detail and justify that for interlaced scanning total no. of lines in any TV system must be odd.

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Q.4

1. (a) Compare JPEG and MPEG
2. (b) Describe Horizontal and Vertical resolution.
3. (c) Explain Digital Television Receiver with block diagram.

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Q.5

1. (a) Compare video CD and DVD.
2. (b) Write short note on 3D television.
3. (c) Write short note on DTH.

Q.6

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1. (a) Explain in brief about stereo sound in television.
2. (b) Explain Digital Light Processing projection system.
3. (c) Write short note on HDTV and EDTV.

Q.7

1. (a) Write brief note on OLED.

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2. (b) Compare Front projection and Rear projection system.
3. (c) Write short note on PA system.

Q.8

1. (a) Write the difference between LED Backlit and Backlit LCD display.
2. (b) Explain in brief about troubleshooting of PA system.

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3. (c) Write short note on PLASMA TV.

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