Audio - Video Systems — Winter 2018

Draw and explain cochlea and describe mental process.

Explain following terms with reference to sound: (1) Timbre (2) Pitch (3) Threshold of pain (4) Reverberation (5) Inverse square law.

Explain the construction and working of moving coil loud speaker.

List the types of microphones and explain any two in detail.

List various requirement of a sound pre-amplifier and explain them in detail.

Draw and explain The Composite Video Signal in detail.

Describe interlaced scanning and justify that “For interlaced scanning the total number of lines in any TV system must be odd.

Draw the block diagram of Monochrome TV Transmitter and explain each block in detail.

Discuss different types of interference suffered by TV channels in detail.

State different display technologies and explain any two in detail.

What is luminance and chrominance signal? State its significance. Also explain separation of Uand Vcolor phasors in detail.

Give comparison of PAL Color system and NTSC

Explain the basics of video compression Techniques.

List the different interfaces used for Television technology and explain any two in detail.

Classify Power Amplifiers and explain Class-B Push-Pull Amplifier.

Write short note on: Cable Television Network

Give list of Television Receiver Servicing equipment and explain any one in detail with the help of block diagram