DOEACC Society 2006 DOEACC C Level C11 Multimedia Technology & Virtual Reality ( ) - Question Paper

C11-R3: MULTIMEDIA TECHNOLOGY AND VIRTUAL REALITY
NOTE:
Time: three Hours Total Marks: 100
1.
a) discuss why QOS is important for multimedia communication?
b) discuss why DCT encoding is used in MPEG-I and MPEG-2?
c) Describe, how various input devices are used in a virtual reality system.
d) How head-mounted display is used in implementing virtual reality system?
e) When is it necessary to use compression for synthetic graphical objects?
f) define how can you use IEEE 1394 interface for connecting multimedia devices to
your system.
g) What is EDF scheduling strategy?
(7x4)
2.
a) Distinguish ranging from bitmapped graphics and vector graphics. Can we convert
bitmapped graphics to vector graphics? Comment upon utility of these data kinds with
reference to multimedia systems.
b) Distinguish ranging from timeline-based and structured multimedia authoring systems.
c) What is the necessity of defining RTP and RSVP protocols? Briefly define the
features of RTP and RSVP protocols.
(6+6+6)
3.
a) discuss the steps of encoding an image with JPEG.
b) define the different kinds of images used for video encoding in MPEG.
c) discuss MP3 compression Scheme.
(6+6+6)
4.
a) discuss the real-time processing requirements.
b) define the network architecture for multimedia systems.
c) What is sprite coding in MPEG-4? How can sprites improve coding efficiency?
(6+6+6)
5. discuss the following:
a) Transform coding
b) USB Ports
c) Augmented Reality Systems
(6+6+6)
C11-R3 Page one of two January, 2006
1. ans ques. one and any 4 ques. from two to 7.
2. Parts of the identical ques. should be answered together and in the identical
sequence.
6.
a) discuss the head-mounted display technology.
b) elaborate heptic devices? What role do these device play in a virtual reality system?
c) define the steps involved in creating interactive 3D product using VRML.
(6+6+6)
7.
a) What is the difference ranging from video conferencing and videophone service? Show
major components of each?
b) elaborate the types of redundancy that are considered for compressing video data? How
does motion compensated predictive scheme work for videoconference.
(9+9)
C11-R3 Page two of two January, 2006

Earning:   Approval pending.