1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER EXAMINATION SUMMER 2017
Subject Code: Audio Video Engineering Date: 04/05/2017
Subject Name: X51103
Time: 02.30PM to 05.00PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Draw the elementary block diagram of the monochrome television transmitter explain the function of the each block.
04

Draw explain composite video signal. Also define peak white level, pedestal height.
05

Define loudness phon. Calculate the interval, octaves and harmonics for the frequency range of 62.5 Hz to 1 kHz.
05
Q.2

List various types of Loud Speakers and describe moving coil type in brief.
07

Explain the colour difference signals, explain the concept of frequency interleaving with appropriate signal.
07
OR

Draw the block diagram of a VHF tuner, and explain the vestigial sideband correction in brief.
07
Q.3

Explain Carbon Microphone in brief.
07

What is stereophony? Explain stereophonic system and other multi- channel sound system.
07
OR
Q.3

Explain acoustic design of auditoriums in detail.
07

Explain Briefly: Woofers and Tweeters.
Sound cards and Mixers.
07
Q.4

Explain the principle of interlaced scanning. Define scanning periods explain the scanning sequence with neat clean diagram.
07

How to obtain colour difference signal? Why the colour difference signal is not selected for transmission?
07
OR
Q.4

Write the advancement in display technology in television system and explain HDTV in brief.
07

Explain video pattern generator in detail.
07
Q.5

Give the comparison in detail for NTSC, PAL and French colour TV
System.
07

Write a brief note on the basics of Video Compression Standards.
07
OR
Q.5

Draw the block diagram of PAL-D colour receiver.
07

Write a brief note on Colour TV Pattern Generator.
07