Microphone - Characteristics of Microphones - Gun Microphones - Wireless Microphones - Headphones and Headsets - Basic Loudspeaker - Loudspeaker Construction - Woofers - Multispeaker systems - Baffles

Audio system: CD player, home theatre sound system, surround sound ,Digital console: block diagram, working principle, applications ,PA address system: planning, speaker impedance matching, Characteristics.

Typical Generator - Basic Modifiers - Voltage Control - Envelope Generator - Electric Guitar - Digital Computer - Theater Sound System: Sound track, Types of sound film, Theater Sound Reproduction system, Working of a Projector.

Monochrome - Color TV standards - TFT, Plasma, HDTV, LCD,LED TV, Video Telephone and Video Conferencing

In Car Computers - Washing machines - Microwave ovens - Air conditioners and Refrigerators - Airline Reservations - Remote controls Automated Teller Machines - Set top Boxes - Bar Codes - RFID