SRM University 2007 B.Tech Electronics and Communications Engineering EC456- MULTIMEDIA COMMUNICATION - Question Paper

19. Write the standard described by TIFF.



Part B

1. discuss in detail the digitalization of video signals. Also discuss in detail the different digitisation formats of video signal.
2. discuss in detail MPEG four coding principles.
3. discuss in detail the principles of video compression.
4. discuss in detail digitization of sound.
5. discuss in detail different kinds of audio compression techniques.
6. discuss in detail a) LPC encoder and Decoder
b) Perceptual compresssion
7. discuss in detail JPEG encoder and decoder
8. discuss in detail different standards associated with image compression.
9. Write short notes on a) MIDI b) JBIG














UNIT III
MULTIMEDIA CONFERENCING

PART A
1. Define ISDN. List a few of its applications.
2. Give the main features of ISDN.
3. Give the Basic and Primary rates of ISDN.
4. Mention the channel kinds available in ISDN with their rates.
5. What is the use of B & D channels?
6. List the kinds of ISDN interfaces.
7. Give the channel rates of B, D and H channels in ISDN.
8. What is the service attributes of ISDN?
9. What are the core components of H.320?
10. What is ISO-Ethernet?
11. Give the protocol stack of H.320.
12. Give a few of the improvements of 2nd generation standards over H.320.
13. Give the audio Codec standard used in Multimedia Conferencing.
14. What are the main layers of ISDN architecture?
15. Describe a few of the ISDN layer Specifications.
16. Explain Video Conferencing application.


PART B
1. Explain the ISDN Architecture in detail with its features,channels and data rates.
2. Explain the User Network Interface structure of ISDN.
3. Explain the Layer specifications of ISDN User Network Interface.
4. Explain the H.320 Standard used for ISDN Video Conferencing.
5. Explain the Broadband ISDN architecture with its network adaptation standards.
6. Write short notes on: (i) ISDN channels (ii) ISO Ethernet standard (iii) Network adaptation for B-ISDN


Unit-IV
VOD AND INTERNET TELEPHONY

Part A
1. What does IPTel Refers?
2. List the functions of Gateways
3. Define Residential gateway and Trunk Gateway.
4. Explain IETF.
5. Draw H.323 Protocol Suite.
6. Draw a call setup based on SIP signaling.
7. Draw the functional architecture of MGCP.
8. Draw the Functional Architecture of MEGACO/H.GCP.
9. elaborate the functions performed by PSTN Gateways?
10. Explain VoIP Gateways.
11. Explain the essential functions of IPTel Gateway.
12. Explain IPTel Gateway Call Flow.
13. Explain the common terms and concepsts in VoD.
14. What do you mean by phase offset in VoD?
15. Draw the enhanced functional architecture for IN support of IP networks.
16. Draw the info flow for Click-to-Dial.


Part-B

1. discuss Pyramid Broadcasting Protocols in detail
2. discuss harmonic broadcasting protocols in detail.
3. discuss the internet telephony architecture overview
4. discuss the H.323 suite protocol
5. discuss IN/IP integration
6. discuss SS7/IP integration
7. discuss the Session Initiation Protocol with suitable diagrams
8. discuss Media Gateway Control Protocol
9. discuss the function of PSTN Gateways
10. discuss the functions of IPTel Gateway










Unit – V
MULTICASTING
Part – A

1. Define ATM?
2. What are the advantageous of ATM?
3. What are the fields are there in ATM header?
4. What is virtual channel Identifier? What is the use?
5. What is Payload kind Identifier?
6. What are the sublayers of ATM adaptation layer? What is the role of every sublayer?
7. Why ATM adaptation layer is required?
8. What is multicasting and Broad casting?
9. What is unicasting and multicasting?
10. Draw the Rooted tree multicast network?
11. Draw the core-based tree multicast network?
12. Write the kinds of IP multicast protocol available.
13. Why UPP is preferred in IP multicasting?
14. What are the short comings of ATM multicasting?
15. What is Reliable Adaptable multicast protocol?
16. Why TCP is not preferred in multicasting? What protocol is preferred instead?
17. What are the major problems in multicasting?



Part – B
1. Explain ATM network protocol structure in detail.
2. Describe the ATM layer specification in detail.
3. Explain the Traffic Control Architecture in B-ISDN?
4. How IP multicasting is performed in the Internet? discuss.
5. Write short notes on
(i) Routing protocols for IP multicast.
(ii) Multimedia support in IP multicasting.
6. How multicasting is achieved in ATM networks?
7. What are the problems involved in IP multicasting over ATM? define every problem in detail.
8. What is the need for reliable multicast transport protocol? elaborate the kinds of protocols are available. discuss every of them.
9. Describe Internet Protocol in detail. .

Earning:   Approval pending.