AMIETE –
CS/IT (OLD SCHEME)
Code: AC21 / AT12 Subject:
MULTIMEDIA SYSTEMS
Time: 3 Hours
Max. Marks: 100
NOTE: There are 9 Questions in all.
· Question 1 is
compulsory and carries 20 marks. Answer to Q.1 must be written in the space
provided for it in the answer book supplied and nowhere else.
· Out of the
remaining EIGHT Questions, answer any FIVE Questions. Each question carries 16
marks.
· Any required data
not explicitly given, may be suitably assumed and stated.
Q.1 Choose the correct or the best alternative in the following: (2
10)
a. _______ mode
defines a maximum end-to-end delay for each packet of
a data stream.
(A)
Synchronous transmission. (B) Asynchronous
transmission.
(C) Isochronous transmission. (D)
none
b. Which is not a image
file format for storing images?
(A) GIF. (B)
JPEG.
(C) Post Script. (D)
RIFF.
c. Human hearing
frequency range lies between
(A) From 0 to 20 Hz. (B)
20 Hz to 20 KHz.
(C) 20 KHz to 1 GHz. (D) 1GHz
to 10 GHz.
d.
MPEG compression techniques follow which type of coding?
(A) Entropy. (B)
Source.
(C) Hybrid. (D)
Layered.
e.
Query by Image Content (QBIC) system is used to retrieve which
type of data?
(A) Image.
(B)
Audio.
(C) Video. (D)
Animation.
f. _______ is an
interface between multimedia applications and their transport
(A) DMIF. (B) FTP.
(C) HTTP. (D) RTP.
g. The goal of
real-time scheduling is________.
(A) optimal throughput (B)
optimal resource utilization
(C) Fair queuing (D)
All
h. Example for an
active resource is___________.
(A) CPU. (B)
main memory.
(C) communication bandwidth. (D) file system.
i. _____________process is a process which delivers
the results of the processing in a given time-span.
(A) Real-time. (B) Active-time.
(C) Span-time. (D) None of the above
j. Pproperties of Multimedia
Database Management System (MDBMS) is___________.
(A) persistence of data. (B) consistent view of data.
(C) query and retrieval of data. (D) All
Answer any FIVE
Questions out of EIGHT Questions.
Each question
carries 16 marks.
Q.2 a. Explain data stream characteristics for
continuous or temporal media. (8)
b. Describe how sound
is represented in computer memory and explain different audio formats available? (8)
6 marks
Q.3 a. Draw the block
diagram of basic MPEG audio encoder and decoder and explain. (6)
b. Explain MPEG audio
compression algorithm. (10)
Q.4 a. Explain different parameters of Quality of
Service for multimedia data. (7)
b. Describe
Multimedia over different protocols such as IP, RTP and RSVP. (9)
Q.5
Explain how resource
management is used in multimedia systems with examples? (16)
Q.6 a. What is hypertext
data? (2) (8)
b. Differentiate
between Hypertext system, Multimedia system and Hyper Media system with
examples. (6)
c. What do you understand by image recognition? Explain
the steps involved in image recognition. (8)
Q.7 a. Differentiate
between block-based coding and object based coding. (8)
b. Explain how padding is used in object based
visual coding in MPEG-4? (8)
Q.8 Explain how content based
image retrieval is done in multimedia systems? (16)
Q.9 Write short notes on the
following:
(i) Non Temporal media. (5)
(ii) Video conferencing. (6)
(iii) Animation. (5)