B.TECH - Semester 8 entertainment electronics technology Question Paper 2013 (apr)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- 802 - ENTERTAINMENT ELECTRONICS TECHNOLOGY (T) (2013 Scheme) Time : 3 Hours Max. Marks : 100 PART - A (Answer all questions. Each question carries 2 marks)
- How impedance matching can be achieved in electronic circuits?
- State the necessity of baffles and enclosures in loud speakers.
- Draw the block diagram of Hi-Fi reproducing system.
- What is vestigial side band modulation? Give its application.
- Define channel coding. Why it is used?
- Define composite video signal? Mention its function.
- How chrominance signal is represented? Give expressions.
- Mention the advantages of compression techniques? Define the term compression ratio.
- Define the terms sampling and quantization.
- Mention the technology behind HDTV. ( $10 \times 2=20$ Marks) P.T.O. (Answer any one full question from each module. Each question carries 20 marks)
- (a) Explain the principle, construction and characteristics of condenser microphone.
- (b) Compare features of various types of microphones.
- (a) Explain the construction and working principle of cone type and horn type loud speakers.
- (b) With circuit and characteristic curves, explain the need and application of cross over networks. Module - II
- (a) With diagrams, explain the method of optical recording on compact disc.
- (b) Discuss about the essential requirements of a good public address system.
- (a) What are the factors on which the reverberation time depends? Derive a relation for the same.
- (b) Explain various digital audio processing methods. Mention its advantages.
- (a) With neat block diagram, explain digital broadcast TV receiver. 10
- (b) Describe the working and characteristics of vidicon camera tube.
- (a) Explain CCTV system with block schematic diagram. Mention its applications.
- (b) With neat block diagram, explain DANFSV sem.
- (a) Compare plasma TV, LCD TV and OLED TV. 10
- (b) Explain the principle of LCD technology. Discuss about transmissive and reflective type projection systems.
- (a) Write a note on home theatre. What are the factors to be considered for designing a home theatre?
- (b) Explain how pictures are generated in rear projection system and front projection system. Compare their performance with DLP system. $$ (4 \times 20=80 \text { Marks }) $$