Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 5th Sem New 2151101 Audio Video Systems Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?V (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2151101 Date: 19/06/2019
Subject Name: Audio Video Systems
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Define the followings (any three)
(i) Aspect Ratio (ii) Compatibility(iii) Saturation (iv) Luminance (v) HUE
03
(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)
(i) Pitch (ii) Timbre (iii) Overtone (iv) Phon (v) Loudness.
03
(b) Explain : Multichannel Sound 04
(c) Describe the construction of a carbon microphone and explain its functioning. 07
OR
(c) 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
(b) Write the difference between JPEG and MPEG types of compression technique. 04
(c) Write short note on PA system. 07
OR
Q.3 (a) Compare LED TV & LCD TV. 03
(b) Explain need of compression and how compression works? 04
(c) What is characteristic impedance of loudspeaker? Explain various types of
loudspeakers with diagram.
07
Q.4 (a)
Write a short note on Colour Difference signals. Briefly explain the concept of Additive
Mixing.
03
(b)
Explain how the luminance and color difference signals are developed from Camera
outputs.
04
(c) Explain interlaced scanning in detail 07
OR
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?V (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2151101 Date: 19/06/2019
Subject Name: Audio Video Systems
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Define the followings (any three)
(i) Aspect Ratio (ii) Compatibility(iii) Saturation (iv) Luminance (v) HUE
03
(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)
(i) Pitch (ii) Timbre (iii) Overtone (iv) Phon (v) Loudness.
03
(b) Explain : Multichannel Sound 04
(c) Describe the construction of a carbon microphone and explain its functioning. 07
OR
(c) 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
(b) Write the difference between JPEG and MPEG types of compression technique. 04
(c) Write short note on PA system. 07
OR
Q.3 (a) Compare LED TV & LCD TV. 03
(b) Explain need of compression and how compression works? 04
(c) What is characteristic impedance of loudspeaker? Explain various types of
loudspeakers with diagram.
07
Q.4 (a)
Write a short note on Colour Difference signals. Briefly explain the concept of Additive
Mixing.
03
(b)
Explain how the luminance and color difference signals are developed from Camera
outputs.
04
(c) Explain interlaced scanning in detail 07
OR
2
Q.4 (a) Write a short note on sound, ear and cochlea with neat diagrams. 03
(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
Q.5 (a) Explain audio as data 03
(b) Write a note on Servicing of TV. 04
(c) Compare front projection system and rear projection system 07
OR
Q.5 (a) Write a short note on stereophonic sound system 03
(b) Explain common faults & Defective stages of television receiver. 04
(c) Write a short note on plasma television. 07
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This post was last modified on 20 February 2020