Code: C-21 / T-12                                                                 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 best alternative in the following:                                         (2x10)

a. MAYA software rendering tool is an example of

(A)  animation.                                     (B)  music sequencing software.

(C)   digital audio.                                (D)  video edition.

b. ________is an example of multimedia authoring tool

(A) Dream weaver MX                      (B)  Direct X

(C)  JAVA 3D                                    (D)  Final cut pro

             c.   GIF standard is limited to _____ color image only.

(A) 16 bit                                           (B)  8 bit

(C)  32 bit                                           (D)  64 bit

             d.   PNG stands for

(A)  Portable Narrow Group               (B)  Portable Network Group

(C)  Portable Narrow Graphics            (D)  Prepared Network Graphics

             e.   This file is used in digital camera for image formatting

(A) JPEG                                           (B)  EXIF

(C)  PNG                                            (D)  BMP

             f.    One of the advantages of digital video is

(A) Non-repeated recording.             

(B) Ease of channel noise without encryption.

(C) It makes direct access hence non-linear video editing is simple.

(D) None of these.

             g.   This type of coding includes the semantics of the data while compressing

(A) Source coding.                             (B)  Entropy coding

(B) Quantization.                                (D)  None of these

             h.   Hyper media system is

(A) the system that includes the non-linear information, links, pointers and the continuous, discrete media information.                                 

(B) the system that contains discrete information, pointers and links.

(C) the system that contains coded information in discrete and continuous form.

(D) the system that contains only linear information.

             i.    The time relations between various presentations units of time-dependant media objects are called

(A) Intra-object synchronization.        

(B)  Quantization.

(C) Live synchronization.

(D) Synthetic synchronization.

             j.    Which of the following is temporal media?

(A)  Images                                         (B)  Video

(C)  Graphics                                      (D)  Text

Answer any FIVE Questions out of EIGHT Questions.

Each question carries 16 marks.

Q.2     a.   Differentiate between channel message and system message in MIDI.                  (6)

             b.   How do you represent digital image?    (4)

c.   What are the components of multimedia?                                                            (4)

             d.   Define image synthesis.                                                                                       (2)

Q.3     a.   Write short notes on MIDI standards.  (5)

             b.   Define quantization.                                                                                           (3)

c.   Describe the real-time transport protocol (RTP).                                                (8)

Q.4     a.   What are the main steps in JPEG image compression? Explain.                           (8)

b.   Explain the concept of Motion compensation in MPEG1.                                    (8)

Q.5     a.   Differentiate between MPEG 1 and MPEG 2.                                                    (5)

     b.   What is object based visual coding in MPEG 4.                                                  (5)

     c.   Explain the MPEG layers.                                                                                  (6)

  Q.6     a. Explain the operation of BIFS in MPEG4.                                                          (7)

             b.   Explain the audio compression algorithm in MPEG.                                             (7)

             c.   Define real time system.                                                                                      (2)

Q.7     a.   What is Media synchronization? Explain.                                                            (5)

b.   Write short notes on resource management.                                                        (5)

             c.   Explain the concepts of video data compression.                                                 (6)

Q.8     a.   Explain the FCFS disk-scheduling algorithm.                                                      (6)

             b.   What is Internet Telephony? Explain.    (5)

c.   What are the video conferencing standards available? Explain.                            (5)

Q.9     a.   What is the role of texture analysis in image retrieval?                                          (6)

b.   What are Multimedia Data bases? Explain.                                                         (7)

c.   What are XML, HTML, SMIL?                                                                        (3)