GTU BE 2019 Summer Question Papers || Gujarat Technological University
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Subject Code: 2151101
GUJARAT TECHNOLOGICAL UNIVERSITY
Subject Name: Audio Video Systems
Date: 19/06/2019
Time: 02:30 PM TO 05:00 PM
Total Marks: 70
Instructions:
Q.1 (a) Define the followings (any three) MARKS
(b) Describe Resolution & its classification. 04
(c) Draw and explain The Composite Video Signal in detail. 07
Q.2 (a) Define the followings (any three)
(c) Describe the construction of a carbon microphone and explain its functioning. 07
OR
What are the types of optical recording? Explain any one method of optical recording of sound on a film. 07
Q.3 (a) Compare EDTV & HDTV. 03
(c) Write short note on PA system. 07
OR
Compare LED- TV & LCD TV. 07
Q.4 (a) Explain need of compression and how compression works? 03
(c) Write a short note on Colour Difference signals. Briefly explain the concept of Additive Mixing. 07
OR
Explain how the luminance and color difference signals are developed from Camera outputs. 07
Q.5 (a) Explain interlaced scanning in detail 03
(c) Draw the block diagram of color TV transmitter and explain each blocks in detail. 07
OR
Explain audio as data 07
Q.5 (a) Write a note on Servicing of TV. 03
(c) Write a short note on stereophonic sound system 07
OR
Explain common faults & Defective stages of television receiver. 07
Q.5 (a) Write a short note on plasma television. 03
Subject Code: 2151101
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-V (NEW) EXAMINATION - SUMMER 2019Subject Name: Audio Video Systems
Date: 19/06/2019
Time: 02:30 PM TO 05:00 PM
Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Define the followings (any three) MARKS
- Aspect Ratio
- Compatibility
- Saturation
- Luminance
- HUE
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(b) Describe Resolution & its classification. 04
(c) Draw and explain The Composite Video Signal in detail. 07
Q.2 (a) Define the followings (any three)
- Pitch
- Timbre
- Overtone
- Phon
- Loudness
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(b) Explain : Multichannel Sound 04(c) Describe the construction of a carbon microphone and explain its functioning. 07
OR
What are the types of optical recording? Explain any one method of optical recording of sound on a film. 07
Q.3 (a) Compare EDTV & HDTV. 03
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(b) Write the difference between' JPEG and MPEG types of compression technique. 04(c) Write short note on PA system. 07
OR
Compare LED- TV & LCD TV. 07
Q.4 (a) Explain need of compression and how compression works? 03
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(b) What is characteristic impedance of loudspeaker? Explain various types of loudspeakers with diagram. 04(c) Write a short note on Colour Difference signals. Briefly explain the concept of Additive Mixing. 07
OR
Explain how the luminance and color difference signals are developed from Camera outputs. 07
Q.5 (a) Explain interlaced scanning in detail 03
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(b) Explain difference between positive and negative modulation 04(c) Draw the block diagram of color TV transmitter and explain each blocks in detail. 07
OR
Explain audio as data 07
Q.5 (a) Write a note on Servicing of TV. 03
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(b) Compare front projection system and rear projection system 04(c) Write a short note on stereophonic sound system 07
OR
Explain common faults & Defective stages of television receiver. 07
Q.5 (a) Write a short note on plasma television. 03
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