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Surya Group of Institutions Internal Assessment Test-I

The document is an internal assessment test for a multimedia compression and communication course. It contains two parts - Part A with 10 short answer questions worth 2 marks each, and Part B with 5 long answer questions worth 16 marks each. The questions cover topics like raster scan principle, quantization, audio fundamentals, audio compression standards, image compression techniques like JPEG and video compression standards like MPEG. Other topics include multimedia networking protocols, quality of service for VoIP, scheduling mechanisms for multimedia systems.

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Sathiya Ravi P
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119 views2 pages

Surya Group of Institutions Internal Assessment Test-I

The document is an internal assessment test for a multimedia compression and communication course. It contains two parts - Part A with 10 short answer questions worth 2 marks each, and Part B with 5 long answer questions worth 16 marks each. The questions cover topics like raster scan principle, quantization, audio fundamentals, audio compression standards, image compression techniques like JPEG and video compression standards like MPEG. Other topics include multimedia networking protocols, quality of service for VoIP, scheduling mechanisms for multimedia systems.

Uploaded by

Sathiya Ravi P
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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SURYA GROUP OF INSTITUTIONS

Internal Assessment Test- I

Degree & Branch : B.E / ECE Semester : VII


Max marks : 100
Date & Session : Time : 3hrs

Subject with Code: EC6016 Multimedia Compression And Communication

Part A (10 X 2 =20)

1. Discuss raster scan principle.


2. Show how the quantization interval influences the accuracy of the sampling process of an
analog signal.
3. Define pitch, period and loudness.
4. Discuss the Dolby AC-1, AC-2 and AC-3 standards.
5. Identify the applications of LZW.
6. Create the expression for DCT of each 8X8 block values.
7. Define media descriptor in MEGACO.
8. Explain soft switch architecture.
9. How will you distinguish RTP & RTC packets?
10. Discuss how the role of an SIP register is different from that of a home agent in mobile
IP.

Part B (5 X 16=80)

11. a)Describe the various output devices available for personal computers and explain how
they may be used in multimedia production and delivery?
(or)
b)Explain the creation of digital audio and MIDI audio. Discuss the advantages and
disadvantages of MIDI over digital audio. Suggest the applications for digital audio and
MIDI.
12. a)Discuss the methodology of achieving higher levels of compression by making the
predictor coefficients associated with the ADPCM adaptive.
(or)

b)Compare the principle of implementation of H.261 and H.263 and discuss MPEG4
encoder and decoder with necessary diagrams
13. a)Identify the five main stages associated with the baseline mode of operation of JPEG
and give a brief description of each stage.
(or)

b)The symbol probability table is given below. Write the code word for CAEE$ using
Arithmetic Encoding scheme.
Symbol A B C D E F $

Probability 0.2 0.1 0.2 0.05 0.3 0.05 0.1

14. a)Explain SS7 protocol site and also discuss ISUP call establishment and release in detail.
(or)
b)For a VoIP to be a realistic replacement for standard public switched telephone
network (PSTN) telephony services, customers need to receive the same quality of voice
transmission they receive with basic telephone services. How is this achieved? Explain
with various quality of service parameters
15. a)Write short notes on (i) Limitations of Best Effort Service(ii)Real time interactive audio
and video(iii)Content distribution networks .
(or)

b)Describe the different scheduling mechanisms suitable for multimedia systems with
suitable diagrams.

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