UNIT 1 Audio fundamentals

1.1 Basic characteristics of sound signal: level and loudness, pitch, frequency response, fidelity, sensitivity and selectivity
 
1.2 Audio Amplifiers: Power Mono, Stereo 

1.3 Microphone: working principle, and characteristics, Types: Ribbon, carbon, condenser, crystal, electrets and tie clip 

1.4 Speakers: working principle and characteristics, Types: moving coil cone type, dynamic, etc., woofers, tweeter and mid range
 
1.5 Cross over network for woofer and tweeter
 
1.6 Troubleshooting procedure


Unit-2 Audio Systems

2.1 Block diagram and operation of DVD player, 

2.2 Component used for DVD mechanism: DVD pick-up assembly, drive motors, 

2.3 Block diagram of Hi Fi amplifier and its working 

2.4 Block diagram and operation of Graphic equalizer. 

2.5 Public Address (PA) system: Block diagram and operation, Speaker impedance matching and characteristics ,applications 

2.6 Home theatre system, block diagram and operation 

2.7 Troubleshooting procedure of audio systems.


Unit– 3 Television Fundamentals and Transmitter

3.1 Concept: Aspect ratio, image continuity, interlaces scanning. scanning periods – horizontal and vertical, vertical and horizontal resolution 

3.2 Vestigial sideband transmission, bandwidth for Color signal, characteristics of color signal, compatibility. 

3.3 Color theory, Grassman’s law, additive and subtractive color mixing Composite Video Signal – Pedestal height, Blanking pulse, color burst, Horizontal sync pulse details, Vertical sync pulse details, equalizing pulses, 

3.4 CCIR-B standards for color signal transmission and reception, Positive and Negative modulation, merits and demerits of negative modulation 

3.5 Block diagram of Color TV Transmitter. 

3.6 Troubleshooting procedure of Color TV Transmitter

Unit– 4 Advanced Television Receivers

4.1 Block diagram and Operation of PAL color TV receiver 

4.2 Operation of PAL-D decoder 

4.3 HDTV: Development of HDTV, NHK MUSE System, HDTV Standards 

4.4 Basic principle of Digital Television. 

4.5 MAC encoding format 

4.6 LCD/LED Technology: Principle and working of LCD and LED TV 

4.7 Smart TV technogly: Introduction of Smart TV and its features 

4.8 Troubleshooting procedure of Color TV Receiver systems.

Unit –5 Cable Television:

5.1working and radiation pattern of Dish antenna 

5.2Block diagram and Operation of LNBC. 

5.3Block diagram and concept of cable TV network 

5.4. Multiplexer in cable TV 

5.5 Amplifiers used in cable TV 

5.6Block diagram and operation of MATV, CATV and CCTV. 

5.7Direct to Home Receiver (DTH): Concept, receiver block diagram, Indoor and outdoor unit. 

5.8 Set-top-box: Function


Unit –6 Advanced A/V Equipments and Media Formats

6.1. Operation of equipments used in production Studio. 

6.2. Block diagram and operation of Digital Camera & Camcorder. 

6.3. Working of Video editing techniques. linear and nonlinear 

6.4. Block diagram and operation of MPEG Encoder and JPEG encoder & decoder 

6.5. Audio formats WAV,MP3,WMA 

6.6. Video formats AVI,WMV,MP4 

6.7. Image file formats, BMP,JPEG,GIF,