UNIT III – MULTIMEDIA SYSTEM DESIGN
2 MARKS
1. What is Multimedia? (UNIV QUES NOV/DEC 2007)
Multimedia is a combination of text, graphics art, sound, animation, and
video, with document images delivered by computer or other electronic means.
2. Mention some of the evolving technologies of multimedia?
(UNIV QUES NOV/DEC 2003 and 2004)
1. Hypermedia Documents
2. HDTV and UDTV
3. 3-D Technologies and Holography
4. Fuzzy logic
5. Digital Signal Processing
3. List the various data elements for Multimedia Systems?
1. Facsimile
2. Document images
3. Photographic images
4. Geographic information systems maps
5. Audio messages
6. Video messages
7. Holographic images
8. Fractals
4. List the capabilities required for Image Enhancement?
i.
Image Calibration
ii. Real-time alignment
iii. Gray-Scale normalization
iv.
RGB hue intensity adjustment
v.
Color separation
vi.
Frame averaging
5. What are the benefits of Multimedia? (UNIV QUES APR/MAY 2004)
1. Document Imaging
2. Image Processing and Image Recognition
3. Full-motion Digital Video Application
4. Electronic Messaging
5. Universal Multimedia Application
6. What is OCR?
Optical Character Recognition is a technology used for data entry by
scanning typed and printed words in a form or for capturing entire paragraphs of
text, which is entered in a database or in an editable document.
7. How will you manage text mapping across platforms? (UNIV QUES
APR/MAY 2004)
Called device-independent application programming interfaces (APIs), these
interfaces isolate the application from the hardware. The application is designed to
operate with any hardware or operating environment that supports the API. Common
file formats allow data files to be exchanged between different hardware architecture
and operating environments.
8. List some Full-Motion Digital Video Applications?
The Full-motion video has applications in
i.
Multimedia Games
ii. Entertainment systems
iii. Multimedia Messaging
iv.
Engineering /Simulation
9. What are the requirements needed tom support Electronic Messaging?
i.
Message Store and forward
ii. Message transfer agent to route messages
iii. Message repositories
iv.
Repositories for Multimedia components
v.
Dynamic access and transaction manager
vi.
Automatic database synchronization
vii.
Automatic Protocol conversion
viii. Local and global directories to locate users and servers.
10. What are the technologies required to build a Universal Multimedia
Application?
i.
Full-Motion Video Messages
ii. Viewer interactive live video
iii. Audio and Video Indexing
11. List the application of Multimedia in Mobile units. (UNIV QUES APR/MAY
2007)
1. Multimedia Messaging Services (MMS)
2. Video telephony and Video streaming
3. Blue tooth
4. Multimedia Instant Messaging
5. Audio and Voice
12. What are the functionalities requires for Combined Graphics and Imaging
Application?
Combined Graphics and imaging applications requires functionality at three levels
provided with varying levels of capabilities:
i.
VGA Mixing
ii. VGA Mixing with Scaling
iii. Dual-buffered VGA mixing and scaling
13. How Network Congestion occurs?
Network congestion arises when the following combination occurs
i.
Number of users accessing the network
ii. Increased computing power of the desktop system
iii.
iv.
v.
Business needs for more complex networks for a larger variety of data
transmissions.
Graphics intensive applications
Voice and Video based multimedia application
14. What are the tasks required for Task Based Multi-level networking?
Based on the nature of requirements such as volume of data, potential sources of
data and transfer speeds, the task required are
i.
Data transfer for text
ii. Data transfer for images
iii. Data transfer for audio and video clips
iv.
Data duplication to user workstation
v.
Data replication among servers
15. List some of the networking standards?
i.
Ethernet
ii. Token Ring
iii. ATM
iv.
FDDI
16. List the subsystems of DSP Operating system architecture?
i.
Memory management
ii. Hardware-interrupt handling
iii. Multitasking
iv.
Inter task synchronization and communication
v.
Multiple timer services
vi.
Device-independent I/O
17. What are the components of a multimedia data representation? (UNIV
QUES APR/MAY 2007)
Multimedia components are Facsimile transmission, images, holograms,
interactive video, live video and audio. The basic data representation includes
text, images, audio, holograms and full motion video.
18. What are the Multimedia Data Interface Standards?
i.
File formats for Multimedia systems
ii. Video Processing Standards
iii. Microsoft’s AVI
19. Write short notes on ‘AVI’ format.(UNIV QUES NOV/DEC 2008)
AVI is software –only solution but can make use of supporting hardware
such as Intel’s DVI chips. It supports several compression algorithms. The early
standards started out playing 15 frames/sec of video in a 160*20 pixel window.
20. What are the features included in Quick Time Architecture.
i.
System software
ii. File formats
iii. Compression/Decompression algorithms
iv.
Human interface standards
21. List the factors that affect the Speed of retrieval?
i.
Storage latency
ii. Compression efficiency
iii. Transmission latency
iv.
Decompression efficiency
22. Define Multimedia Database. Give an Example? (UNIV QUES APR/MAY
2004)
Multimedia database is defined as a Multimedia workflow Management
systems that provides multimedia application and document management as a
fully integrated add-on capability to existing systems and applications.
Ex: Object oriented Databases for Multimedia – provides the fastest route
to Multimedia support and embodies the principles of reusable code and
modularity, will ease future maintenance of these databases.
23. What is Message Passing?
Message Passing:
Message Passing-allows objects to interact by invoking each other’s
methods and process of handling off data from one component of the application
to another.
24. What are the three key concepts very important for Object oriented software
technology?
i.
Encapsulation
ii. Association
iii. Classification
25. List out some key issues of data organization for Multimedia Systems?
i.
Data Independence
ii. Common distributed database architecture
iii. Distributed Database Servers
iv.
Multimedia Object Management
26. What are the key features of Common Distributed Database Architecture?
i.
Multiple independent data structures in system
ii. Uniform distributed access by clients
iii. A Single point of recovery of each database server
iv.
Convenient data reorganization to suit requirements
v.
Tunability and creation of object classes
vi.
Expandability.
16 MARKS
1. List the Multimedia applications. Explain them briefly (UNIV QUES
MAY/JUN 2007)
(OR)
Discuss the applications of Multimedia in various areas (UNIV QUES
NOV/DEC 2003)
2. Explain the characteristics of MDBMS. (UNIV QUES MAY/JUN 2007)
3. Write short notes on Multimedia System Architecture (UNIV QUES
MAY/JUN 2007)
(OR)
4. Explain the Multimedia System architecture with neat diagram (UNIV
QUES NOV/DEC 2003) (UNIV QUES NOV/DEC 2008)
5. Explain the various applications of Multimedia in Image Processing. (UNIV
QUES NOV/DEC 2004)
6. Write about multimedia applications involving full motion digital video
(UNIV QUES NOV/DEC 2008)
7. What types of Database Management Systems are preffered for Multimedia
Systems? Explain(UNIV QUES NOV/DEC 2008)
8. Give the importance of Multimedia Databases (UNIV QUES NOV/DEC 2004)
9. List the Data Elements for Multimedia System. Explain them Briefly?
10. Discuss the various technologies and their scope of use for Multimedia
Systems?
11. Write a short notes on DSP Chips. Explain its Architecture and
Applications?
12. Explain some basic data types that defines objects for Multimedia Systems
(UNIV QUES NOV/DEC 2008)
13. List the various interface standards. Explain briefly the purpose of their use
in Multimedia Systems
TEXT BOOK:
1.Prabat K Andleigh and Kiran Thakrar, “Multimedia systems and Design”,PHI,
2003.(UNIT 3 to 5).